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The INKEY List Hyaluronic Acid Hydrating Hair Treatment Versus Divi Scalp Serum

Hair Serum
Hair Serum
British Brand United Kingdom
American Brand United States

Updated on October 25, 2023

Overview

What they are

These products are both vegan, cruelty-free, and reef safe hair serums. They have a total of 2 ingredients in common

Cool Features

They both contain hyaluronic acid

Suited For

They're both likely to be good for dry skin, brightening skin and sensitive skin

Free From

They both do not contain any harsh alcohols, parabens, silicones or sulfates

What's Inside

They both contain fragrances and oils

We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.

Ingredient Info

Click any item below to learn more and see relevant ingredients

At a glance

Click on any of the items below to learn more

Notable Ingredients

Benefits

Concerns

Notable Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
Hyaluronic Acid Hydrating Hair Treatment
Water Skin Conditioning, Solvent

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

Peg-40 Hydrogenated Castor Oil Emulsifying
Oil IconNot safe for Fungal Acne Icon
OilOil Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Peg-40 Hydrogenated Castor Oil is derived from castor oil and polyethylene glycol (PEG). It is used as a emollient and emulsifier.

Very Disliked Full details ->
Betaine Humectant, Skin Conditioning
Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation Icon
3 Benefits

Betaine is a common humectant (a substance that promotes retention of moisture). It's known to be gentle on the skin and can help balance hydration.

Panthenol Skin Conditioning
0 / 0 Helps reduce irritation Icon
Helps reduce irritationHelps reduce irritation Icon

Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.

0 Com. / 0 Irr.
Phenoxyethanol Preservative
Preservative Icon
PreservativePreservative Icon

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.

Very Disliked Full details ->
Polyquaternium-37

We don't have a description for Polyquaternium-37.

Citronellyl Methylcrotonate Masking, Perfuming
Fragrance Icon
FragranceFragrance Icon

Citronellyl Methylcrotonate is a fragrance.

Unknown Full details ->
Ethylhexylglycerin Skin Conditioning

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

Hydrolyzed Hyaluronic Acid Humectant, Skin Conditioning
Hyaluronic Acid Icon
Hyaluronic AcidHyaluronic Acid Icon

Hydrolyzed Hyaluronic Acid is a form of hyaluronic acid. It is created by the hydrolysis of hyaluronic acid with a high molecular weight. Once created, Hydrolyzed Hyaluronic Acid has a low molecular weight.

Trisodium Ethylenediamine Disuccinate

Trisodium Ethylenediamine Disuccinate is used to help stabilize a product.

Lactic Acid Buffering, Humectant, Skin Conditioning
AHA IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation IconMay worsen Eczema IconMay worsen Rosacea Icon
AHAAHA Icon 6 Benefits 3 Concerns

Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.

Sodium Hyaluronate Humectant, Skin Conditioning
0 / 0 Hyaluronic Acid Icon
Hyaluronic AcidHyaluronic Acid Icon

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

0 Com. / 0 Irr.
Scalp Serum
Water Skin Conditioning, Solvent

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

Glycerin Humectant, Skin Conditioning, Skin Protecting
0 / 0 Helps hydrate Dry Skin IconHelps brighten skin Icon
2 Benefits

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

0 Com. / 0 Irr.
Melaleuca Alternifolia Leaf Oil Antioxidant, Perfuming
Antioxidant IconFragrance IconOil IconGood for Oily Skin Icon
AntioxidantAntioxidant Icon FragranceFragrance Icon OilOil Icon Good for Oily SkinGood for Oily Skin Icon

This tea tree oil comes from the leaves of the Tea Tree plant. Tea tree oil has antioxidant, anti-inflammatory, and antimicrobial properties.

Acetyl Tetrapeptide-3 Skin Protecting
Peptide Icon
PeptidePeptide Icon

Acetyl Tetrapeptide-3 is a peptide.

Copper Tripeptide-1 Skin Conditioning
Peptide IconHelps with Anti-Aging Icon
PeptidePeptide Icon Helps with Anti-AgingHelps with Anti-Aging Icon

Copper Tripeptide-1 is a peptide naturally found in body fluids. Peptides are building blocks for protein.

Caffeine Skin Conditioning

Caffeine is most associated with coffee, tea, and cacao. In skincare, it helps with calming inflammation and anti-aging.

Sodium PCA Humectant, Skin Conditioning
0 / 0

Sodium PCA is the sodium salt of pyroglutamic acid and is naturally occurring on human skin.

0 Com. / 0 Irr.
Sodium Lactate Buffering, Humectant

Sodium Lactate is the sodium salt of lactic acid, an AHA. It is a humectant and used to adjust the pH of a product.

Arginine Masking, Skin Conditioning
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Arginine is an amino acid that is important for human development. Your body uses is it to produce hair keratin and skin collagen.

Hyaluronic Acid Humectant, Moisturising, Skin Conditioning
Hyaluronic Acid IconGood for Skin Texture IconHelps with Anti-Aging IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation Icon
Hyaluronic AcidHyaluronic Acid Icon 4 Benefits May cause irritationMay cause irritation Icon

Hyaluronic acid is naturally found in healthy skin. It is a humectant, meaning it draws moisture to your skin.

Aspartic Acid Masking, Skin Conditioning

Aspartic Acid is an amino acid that our bodies produce naturally. It is an antioxidant.

PCA Humectant, Moisturising

PCA is derived from amino acids and is naturally found in our skin's barrier.

Biotin Antiseborrhoeic, Skin Conditioning

Biotin is a B vitamin that is naturally produced by our bodies. It is also called Vitamin H.

Glycine Buffering, Skin Conditioning

Glycine is an amino acid that helps build proteins. It is already present in our skin as our bodies produce them naturally.

Alanine Masking, Skin Conditioning

Alanine is an amino acid and is already found in the human body.

Mentha Piperita Oil Masking, Perfuming, Refreshing
Fragrance IconOil IconEU Allergen Icon
FragranceFragrance Icon OilOil Icon EU AllergenEU Allergen Icon

Mentha Piperita Oil is the volatile oil obtained from the whole plant of the Peppermint plant.

Very Disliked Full details ->
Eucalyptus Globulus Leaf Oil Perfuming, Skin Conditioning
Fragrance IconOil IconEU Allergen Icon
FragranceFragrance Icon OilOil Icon EU AllergenEU Allergen Icon

This oil is derived from the leaves of Eucalyptus Globulus, a type of Eucalyptus tree native to Australia.

Very Disliked Full details ->
Serine Masking, Skin Conditioning

Serine is an amino acid naturally found in our body. Our bodies use amino acids to create protein.

Menthol Masking, Refreshing
May cause irritation IconEU Allergen IconMay worsen Rosacea Icon
3 Concerns

Menthol is a compound found in mint plants, such as peppermint. In its pure form, it is a clear crystalline substance.

Very Disliked Full details ->
Tocopherol Antioxidant, Masking, Skin Conditioning
0-3 / 0-3 Vitamin E IconAntioxidant IconHelps hydrate Dry Skin IconHelps with Anti-Aging IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation Icon
Vitamin EVitamin E Icon AntioxidantAntioxidant Icon 4 Benefits May cause irritationMay cause irritation Icon

Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.

0-3 Com. / 0-3 Irr.
Valine Masking, Skin Conditioning

We don't have a description for Valine.

Proline Skin Conditioning

Proline is an amino-acid. It helps moisturize the skin and plays an important role in creating proteins.

Threonine

Threonine is an amino-acid. It helps hydrate the skin and has antioxidant benefits.

Isoleucine Skin Conditioning

We don't have a description for Isoleucine.

Rosmarinus Officinalis Leaf Extract Antimicrobial, Masking, Skin Conditioning

Rosmarinus Officinalis Leaf Extract comes from rosemary. Rosemary is native to the Mediterranean.

Camellia Sinensis Leaf Extract Antimicrobial, Antioxidant, Astringent
Antioxidant IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Minimizing Pores IconHelps with Anti-Aging IconHelps fight Acne Icon
AntioxidantAntioxidant Icon 5 Benefits

Camellia Sinensis Leaf Extract is derived from the leaves of the tea plant. Black tea, green tea, and oolong tea are all harvested from this plant.

Histidine Humectant, Skin Conditioning

We don't have a description for Histidine.

Phenylalanine Masking, Skin Conditioning

Phenylalanine is an amino acid. It is a skin soothing and hydrating ingredient. Amino acids play a crucial role in wound healing and skin hydration.

Copper Gluconate Skin Conditioning, Skin Protecting

We don't have a description for Copper Gluconate.

Ascorbic Acid Antioxidant, Buffering, Masking
Vitamin C IconAntioxidant IconHelps reduce Skin Redness IconGood for Skin Texture IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps brighten skin Icon
Vitamin CVitamin C Icon AntioxidantAntioxidant Icon 6 Benefits

Ascorbic Acid is is pure Vitamin C. This form makes up the largest amount of vitamin C found naturally in our skin.

Phenylpropanol Masking, Perfuming, Solvent
Fragrance Icon
FragranceFragrance Icon

Phenylpropanol is a fragrance.

Disliked Full details ->
Ethylhexylglycerin Skin Conditioning

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Skin Conditioning, Solvent
Loved

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Stay hydrated!

Learn more about Water
Skin Conditioning
Mixed

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

You might see Ethylhexylglycerin often paired with other preservatives such as phenoxyethanol. Ethylhexylglycerin has been found to increase the effectiveness of these other preservatives.

Ingredient Ratings

Here's what our community thinks of the ingredients in these products.

Hyaluronic Acid Hydrating Hair Treatment
8
1
2
1
liked
mixed
disliked
not rated
Scalp Serum
24
4
4
liked
mixed
disliked
not rated

When to use

5 Routines
40% use in am
60% use in pm
40% use every day
3 Routines
33% use in am
67% use in pm
100% use every day