Welcome to our complete breakdown of the top 50 Skin Biology dupes and alternatives that we've found.
If you're searching for dupes of a specific Skin Biology product, you can use our Dupe Finder to search for them!
We use hundreds of science-backed factors to find you the best dupes.
Learn more about our dupe methodology
Our Roundup
Here's a quick roundup of our findings. Continue reading for the full breakdown!
Platinum Skincare's Copper Super CP Serum is the dupe with the most similar ingredients. Our matching methodology puts it at an 68% ingredient match to Skin Biology's Super GHK-Copper Serum!
Our community frequently compares this product with Platinum Skincare's Copper Super CP Serum. Our matching algorithm puts it at an 75% overall match to Skin Biology's Super GHK-Copper Serum!
Of all of the dupes for this product, Avoskin's Your Skin Bae Panthenol 5% + Mugwort + Cica Barrier Hero Serum is the most liked by our community. Our matching algorithm puts it at an 64% overall match with Skin Biology's Super GHK-Copper Serum!
- Platinum Skincare Copper Super CP Serum 1
- Platinum Skincare Copper Super CP Serum 2
- Platinum Skincare Copper Super CP Serum 3
- Platinum Skincare Copper Super CP Serum 4
- Open Formula Collagen Peptide Serum 5
- Open Formula Collagen Peptide Serum 6
- Open Formula Collagen Peptide Serum 7
- Superdrug Me+ Acacia Collagen Booster 8
- Open Formula Collagen Peptide Serum 9
- Dermafactors 7% Copper Tripeptide-1 Solution 10
- Dermafactors 7% Copper Tripeptide-1 Solution 11
- Ombú Seasonal Cosmetics Superóxido Dismutasa 2% (Sod) 12
- Skinerie 2% Ácido Hialurónico Hidration Shot 13
- Klued Vit C 15% Serum 14
- Skincyclopedia 10% Matrixyl 3000 Anti-Aging Peptide Face Serum 15
- Ombú Seasonal Cosmetics Pantenol 5% (Pro-Vitamina B5) 16
- Skincyclopedia 10% Matrixyl 3000 Anti-Aging Peptide Face Serum 17
- NourishMax Pure Hyaluronic Acid Serum 18
- Biologique Recherche Collagène Marin Moisturizing and Firming Serum for the Face 19
- Careapex GlowMax Serum 20
- RescueMD DNA Repair Complex Pro 21
- Geek & Gorgeous aPAD 20% Azeclair Serum 22
- Elyn's Lab Cosmetics Pore Control 2% Szalicilsav Serum 23
- CHOSEN Peptide Therapy Intense Repair Gel 24
- Asterwood Naturals Bakuchiol Serum 25
- Klued Vit C 15% Serum 26
- Touché Acide Hyaluronique 3,5% Ultra Pure 27
- Skincyclopedia 10% Matrixyl 3000 Anti-Aging Peptide Face Serum 28
- PLU Laboratories GHK-Cu Copper Peptide Face Tonic 29
- RescueMD DNA Repair Complex Pro 30
- PLU Laboratories GHK-Cu Copper Peptide Face Tonic 31
- Bffect OO2-T Luz Whitening Serum 32
- QRxLabs Niacinamax Serum 33
- Bffect OO2-T Luz Whitening Serum 34
- Avoskin Your Skin Bae Panthenol 5% + Mugwort + Cica Barrier Hero Serum 35
- PomPom Multi-Tasking Antioxidant Serum 36
- PLU Laboratories GHK-Cu Copper Peptide Face Tonic 37
- Avoskin Your Skin Bae Marine Collagen 10% + Ginseng Root 38
- Skincyclopedia 10% Matrixyl 3000 Anti-Aging Peptide Face Serum 39
- RescueMD DNA Repair Complex Pro 40
- Mehron Makeup Hydro Prep Pro Hydrating Hyaluronic Serum 41
- Caviahue Serum H Ultra Hydra B5 42
- Garden of Wisdom Azeloyl Glycine Serum 43
- Avoskin Your Skin Bae Marine Collagen 10% + Ginseng Root 44
- ClayCo. Cica Microneedling Exosome Serum 45
- Avoskin Your Skin Bae Panthenol 5% + Mugwort + Cica Barrier Hero Serum 46
- Avoskin Your Skin Bae Panthenol 5% + Mugwort + Cica Barrier Hero Serum 47
- DMD Skin Sciences Azelure Potassium Azeloyl Diglycinate Serum 48
- ClayCo. Cica Microneedling Exosome Serum 49
- Superdrug Me+ Acacia Collagen Booster 50
Platinum Skincare Copper Super CP Serum
75% match
with the ingredients and function of Skin Biology Super GHK-Copper Serum
Dupe Explained
These products are both serums that contain. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates. They both contain fragrances.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Platinum Skincare Copper Super CP Serum
75% match
with the ingredients and function of Skin Biology 3% GHK VIP Luxury Serum
Dupe Explained
These products are both serums that contain. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates. They both contain fragrances.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $6.95 more expensive than the original product.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skin Biology Ghk-Cu Skin Smoothing And Soothing Serum
73% match
with the ingredients and function of Platinum Skincare Copper Super CP Serum
Dupe Explained
These products are both serums that contain. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates. They both contain fragrances.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Platinum Skincare Copper Super CP Serum
72% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 7 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Open Formula Collagen Peptide Serum
70% match
with the ingredients and function of Skin Biology 3% GHK VIP Luxury Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin and brightening skin.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Open Formula Collagen Peptide Serum
70% match
with the ingredients and function of Skin Biology Super GHK-Copper Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin and brightening skin.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Open Formula Collagen Peptide Serum
69% match
with the ingredients and function of Skin Biology Ghk-Cu Skin Smoothing And Soothing Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin and brightening skin.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skin Biology Two Timing Tightener 2X Extra Strength
69% match
with the ingredients and function of Superdrug Me+ Acacia Collagen Booster
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Open Formula Collagen Peptide Serum
69% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skin Biology Super GHK-Copper Serum
68% match
with the ingredients and function of Dermafactors 7% Copper Tripeptide-1 Solution
Dupe Explained
These products are both serums that contain peptides. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skin Biology 3% GHK VIP Luxury Serum
68% match
with the ingredients and function of Dermafactors 7% Copper Tripeptide-1 Solution
Dupe Explained
These products are both serums that contain peptides. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin and scar healing.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Ombú Seasonal Cosmetics Superóxido Dismutasa 2% (Sod)
67% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skinerie 2% Ácido Hialurónico Hidration Shot
67% match
with the ingredients and function of Skin Biology 7% GHK-Cu Accelerant
Dupe Explained
These products are both serums that contain. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
Both products are also fungal acne (malassezia) safe and reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Klued Vit C 15% Serum
67% match
with the ingredients and function of Skin Biology 3% GHK VIP Luxury Serum
Dupe Explained
These products are both serums that contain Vitamin E. They've got a total of 7 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skincyclopedia 10% Matrixyl 3000 Anti-Aging Peptide Face Serum
67% match
with the ingredients and function of Skin Biology Super GHK-Copper Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 6 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin and brightening skin.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Ombú Seasonal Cosmetics Pantenol 5% (Pro-Vitamina B5)
67% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skincyclopedia 10% Matrixyl 3000 Anti-Aging Peptide Face Serum
67% match
with the ingredients and function of Skin Biology 3% GHK VIP Luxury Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 6 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin and brightening skin.
Both products are also reef safe.
Price Comparison
This dupe is $17.01 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
NourishMax Pure Hyaluronic Acid Serum
67% match
with the ingredients and function of Skin Biology 7% GHK-Cu Accelerant
Dupe Explained
These products are both serums that contain. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
Both products are also fungal acne (malassezia) safe and reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Biologique Recherche Collagène Marin Moisturizing and Firming Serum for the Face
67% match
with the ingredients and function of Skin Biology 7% GHK-Cu Accelerant
Dupe Explained
These products are both serums that contain. They've got a total of 2 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
Both products are also fungal acne (malassezia) safe and reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Careapex GlowMax Serum
66% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, scar healing and dark spots.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skin Biology 3% GHK VIP Luxury Serum
66% match
with the ingredients and function of RescueMD DNA Repair Complex Pro
Dupe Explained
These products are both serums that contain peptides and Vitamin E. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $90.40 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Geek & Gorgeous aPAD 20% Azeclair Serum
66% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Elyn's Lab Cosmetics Pore Control 2% Szalicilsav Serum
66% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 6 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
CHOSEN Peptide Therapy Intense Repair Gel
66% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Asterwood Naturals Bakuchiol Serum
66% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skin Biology Two Timing Tightener 2X Extra Strength
66% match
with the ingredients and function of Klued Vit C 15% Serum
Dupe Explained
These products are both cruelty-free serums that contain Vitamin E. They've got a total of 6 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Touché Acide Hyaluronique 3,5% Ultra Pure
66% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skincyclopedia 10% Matrixyl 3000 Anti-Aging Peptide Face Serum
66% match
with the ingredients and function of Skin Biology Ghk-Cu Skin Smoothing And Soothing Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 6 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin and brightening skin.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skin Biology 3% GHK VIP Luxury Serum
66% match
with the ingredients and function of PLU Laboratories GHK-Cu Copper Peptide Face Tonic
Dupe Explained
These products are both serums that contain peptides. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin and scar healing.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
RescueMD DNA Repair Complex Pro
66% match
with the ingredients and function of Skin Biology Super GHK-Copper Serum
Dupe Explained
These products are both serums that contain peptides and Vitamin E. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
PLU Laboratories GHK-Cu Copper Peptide Face Tonic
66% match
with the ingredients and function of Skin Biology Super GHK-Copper Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Bffect OO2-T Luz Whitening Serum
65% match
with the ingredients and function of Skin Biology 3% GHK VIP Luxury Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
This dupe is $7.48 less expensive than the original product. Nice find!
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skin Biology Two Timing Tightener 2X Extra Strength
65% match
with the ingredients and function of QRxLabs Niacinamax Serum
Dupe Explained
These products are both cruelty-free serums that contain Vitamin E. They've got a total of 6 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Bffect OO2-T Luz Whitening Serum
65% match
with the ingredients and function of Skin Biology Super GHK-Copper Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Avoskin Your Skin Bae Panthenol 5% + Mugwort + Cica Barrier Hero Serum
65% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
PomPom Multi-Tasking Antioxidant Serum
65% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
PLU Laboratories GHK-Cu Copper Peptide Face Tonic
65% match
with the ingredients and function of Skin Biology Ghk-Cu Skin Smoothing And Soothing Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Avoskin Your Skin Bae Marine Collagen 10% + Ginseng Root
65% match
with the ingredients and function of Skin Biology Super GHK-Copper Serum
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Skincyclopedia 10% Matrixyl 3000 Anti-Aging Peptide Face Serum
65% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin and scar healing.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
RescueMD DNA Repair Complex Pro
65% match
with the ingredients and function of Skin Biology Ghk-Cu Skin Smoothing And Soothing Serum
Dupe Explained
These products are both serums that contain peptides and Vitamin E. They've got a total of 8 ingredients in common.
They both do not contain any harsh alcohols, common allergens, parabens or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Mehron Makeup Hydro Prep Pro Hydrating Hyaluronic Serum
65% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Price Comparison
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Caviahue Serum H Ultra Hydra B5
65% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 4 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Garden of Wisdom Azeloyl Glycine Serum
65% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 3 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Avoskin Your Skin Bae Marine Collagen 10% + Ginseng Root
65% match
with the ingredients and function of Skin Biology 3% GHK VIP Luxury Serum
Dupe Explained
These products are both cruelty-free serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for anti aging, dry skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
ClayCo. Cica Microneedling Exosome Serum
64% match
with the ingredients and function of Skin Biology Super GHK-Copper Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates. They both contain fragrances.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, scar healing and better texture.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Avoskin Your Skin Bae Panthenol 5% + Mugwort + Cica Barrier Hero Serum
64% match
with the ingredients and function of Skin Biology Super GHK-Copper Serum
Dupe Explained
These products are both serums that contain. They've got a total of 6 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Avoskin Your Skin Bae Panthenol 5% + Mugwort + Cica Barrier Hero Serum
64% match
with the ingredients and function of Skin Biology 3% GHK VIP Luxury Serum
Dupe Explained
These products are both serums that contain. They've got a total of 6 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
DMD Skin Sciences Azelure Potassium Azeloyl Diglycinate Serum
64% match
with the ingredients and function of Skin Biology Two Timing Tightener 2X Extra Strength
Dupe Explained
These products are both serums that contain. They've got a total of 3 ingredients in common.
They both do not contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
ClayCo. Cica Microneedling Exosome Serum
64% match
with the ingredients and function of Skin Biology 3% GHK VIP Luxury Serum
Dupe Explained
These products are both serums that contain peptides. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates. They both contain fragrances.
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, scar healing and better texture.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
Superdrug Me+ Acacia Collagen Booster
64% match
with the ingredients and function of Skin Biology 3% GHK VIP Luxury Serum
Dupe Explained
These products are both serums that contain. They've got a total of 5 ingredients in common.
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates.
They're both likely to be good for dry skin, brightening skin, sensitive skin and scar healing.
Both products are also reef safe.
Learn more about this dupe
Looking for a full breakdown of the similarities and differences between these two products?
Check out our full comparison of these two products for all the details!
We're dedicated to providing you with the most up-to-date and science-backed ingredient info out there.
The data we've presented on this page has been verified by a member of the SkinSort Team.
Read more about us