Here's our complete breakdown comparing the ingredients, attributes, and more of COSRX The 6 Peptide Skin Booster Serum versus Mediheal Collagen Essential Mask - Tightening .
Last updated on August 09, 2023. Published on December 10, 2023
Overview
What they are
These products are both reef safe . They have a total of 15 ingredients in common
Cool Features
They both contain hyaluronic acid
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing
Free From
They both do not contain any common allergens, parabens, silicones or sulfates
What's Inside
They both contain fragrances
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that need an update? Let us know.
Serum
Serums are highly concentrated with ingredients to provide skin with benefits. They should be used after cleansing and before moisturizing.
Sheet Mask
Sheet masks are one-time use masks that go over the face. They are usually used after cleansing (depending on the product’s instructions).
Price
Ingredient Info
COSRX The 6 Peptide Skin Booster Serum 44 ingredients
Mediheal Collagen Essential Mask - Tightening 37 ingredients
Contains Alcohol
Ingredients in this product that are types of alcohol:
Silicon Free
This product is free of silicons 🎉
Contains Fragrance
Ingredients in this product that are forms of fragrance:
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Contains Oils
Ingredients in this product that are types of oil:
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Reef Safe
This product is free of ingredients that damage reefs 🎉
EU Allergen Free
This product is free of EU allergens 🎉
Non Vegan
This product is not vegan 😥
Cruelty Free
This product is cruelty-free 🎉
Alcohol Free
This product is free of harsh alcohols 🎉
Silicon Free
This product is free of silicons 🎉
Contains Fragrance
Ingredients in this product that are forms of fragrance:
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Oil Free
This product is free of oils 🎉
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Reef Safe
This product is free of ingredients that damage reefs 🎉
EU Allergen Free
This product is free of EU allergens 🎉
Non Vegan
This product is not vegan 😥
Not Cruelty Free
This product is not cruelty-free 😥
At a glance
Click on any of the items below to learn more
COSRX The 6 Peptide Skin Booster Serum 44 ingredients
Mediheal Collagen Essential Mask - Tightening 37 ingredients
Notable Ingredients
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Benefits
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Concerns
This product contains 1 ingredient that may have this attribute:
Benefits
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Concerns
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
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Join SkinSortIngredients Compared
Ingredients that are highlighted in purple are present in both products.
COSRX The 6 Peptide Skin Booster Serum 44 ingredients
Mediheal Collagen Essential Mask - Tightening 37 ingredients
Water • Dipropylene Glycol • Glycerin • Pentylene Glycol • 1,2-Hexanediol • Niacinamide • Acetyl Hexapeptide-8 • Copper Tripeptide-1 • Sh-Polypeptide-121 • Dipeptide Diaminobutyroyl Benzylamide Diacetate • Oligopeptide-68 • Palmitoyl Tripeptide-8 • Allantoin • Sodium Hyaluronate • Acetyl Glucosamine • Serine • Alanine • Glycine • Threonine • Arginine • Proline • Betaine • Sodium PCA • Sodium Lactate • PCA • Glutamic Acid • Lysine Hcl • Tocopherol • Dextran • Glycine Soja Oil • Hydrogenated Lecithin • Ammonium Acryloyldimethyltaurate/Vp Copolymer • Polyacrylate Crosspolymer-6 • Butylene Glycol • Xanthan Gum • Ethylhexylglycerin • Adenosine • Polyquaternium-51 • Disodium EDTA • Citric Acid • Caprylyl Glycol • T-Butyl Alcohol • Potassium Sorbate • Sodium Oleate
Water • Glycerin • Methylpropanediol • Propanediol • 1,2-Hexanediol • Hydroxyacetophenone • Hydrolyzed Extensin • Panthenol • Betaine • Trehalose • Adenosine • Disodium EDTA • Carbomer • Arginine • Octyldodeceth-16 • Xanthan Gum • Sodium Hyaluronate • Sodium Polyacrylate • Glycine • Glutamic Acid • Aspartic Acid • Tremella Fuciformis Polysaccharide • Sodium Chloride • Soluble Collagen • Serine • Histidine • Alanine • Threonine • Proline • Acrylates Copolymer • Hibiscus Rosa-Sinensis Flower Extract • Chlorella Ferment • Magnesium Chloride • Calcium Chloride • Mannose • Glucose • Parfum
Ingredients Side-by-side
Ingredients that are highlighted in purple are present in both products.
Learn more about what what Com. / Irr. ratings are
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 1.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 1.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.
As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.
Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.
Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.
In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.
This ingredient is organic, colorless, odorless, and non-toxic.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Learn more about GlycerinCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 3.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 2.
1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.
In products that are water-based, this ingredient can help stabilize perfumes and fragrances. It can also help make the texture of products softer and more smooth.
COSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 5.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 5.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.
Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.
These are some other common types of Hyaluronic Acid:
Learn more about Sodium HyaluronateCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 14.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 17.
Serine is an amino acid naturally found in our body. Our bodies use amino acids to create protein.
Amino-acids help give keep our skin hydrated. They play an important role in the skin barrier, which keeps the skin plump and firm.
Serine is a non-essential amino acid, meaning we don't need to obtain it from eating foods.
Learn more about SerineCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 16.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 25.
Alanine is an amino acid and is already found in the human body.
Alanine has antioxidant properties and can help with anti-aging.
Alanine is used by fibrous proteins such as collagen, elastin, and keratin. These three help make a strong skin barrier. Having a healthy skin barrier leads to more plump and youthful skin.
Learn more about AlanineCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 17.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 27.
Glycine is an amino acid that helps build proteins. It is already present in our skin as our bodies produce them naturally.
Glycine helps keep skin hydrated and reduce signs of aging. Amino acids help transport moisture throughout our skin; glycine already plays a role in helping keep our skin moisturized.
As collagen is made up of glycine and other amino acids, it is believed Glycine may help our skin produce more collagen. Collagen helps keep skin plump and firm.
Learn more about GlycineCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 18.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 19.
Threonine is an amino-acid. It helps hydrate the skin and has antioxidant benefits.
Threonine is vital for creating collagen and elastin. Collagen and elastin support youthful and firm skin. Our bodies decrease collagen production naturally with age.
Humans are not able to create threonine and must get it through eating foods such as fish, lentils, poultry, sesame seeds, and more.
Learn more about ThreonineCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 19.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 28.
Arginine is an amino acid that is important for human development. Your body uses is it to produce hair keratin and skin collagen.
As a cosmetic ingredient, Arginine has antioxidant properties and can also help repair damaged skin. This ingredient is derived either synthetically or from animals.
Arginine isn't fungal acne safe when used in the presence of other lipids (fats, fatty acids, oils, esters, etc). Oils and fats occur naturally within the skin, so take caution when using Arginine if you're prone to fungal acne.
Learn more about ArginineCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 20.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 14.
Proline is an amino-acid. It helps moisturize the skin and plays an important role in creating proteins.
Proline is one of the building blocks for producing collagen. As we age, our bodies produce less collagen. Collagen helps the skin look plump and firm.
In medicine, proline is used as an osmoprotectant. This means it helps prevent oxidative degradation in other drugs.
Our bodies are able to produce proline naturally, but certain conditions may inhibit this production. In that case, proline can be obtained from eating egg whites, soy protein, dairy products, asparagus, mushrooms, and seaweed.
Learn more about ProlineCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 21.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 29.
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.
Betaine is best for improving hydration and soothing irritated skin. Studies show betaine may help with uneven skin tones.
Betaine is naturally created in the skin and body. The form found within cosmetic products can be either plant-dervied or synthetic.
Learn more about BetaineCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 22.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 9.
Glutamic Acid is an amino acid that is found in all living organisms. Our bodies use this to help nerve cells in the brain communicate with other cells.
In cosmetics, glutamic acid is a famous humectant. It draws water from the air to your skin, keeping your skin hydrated (like hyaluronic acid).
An in-vitro study from 2024 found glutamic acid to play a role in inhibiting inflammation and thus a potential skin-soothing ingredient.
Other studies show it to be have potential wound healing, skin barrier repair, and hair growth properties.
Glutamic acid has poor solubility in water and other solvents.
Learn more about Glutamic AcidCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 26.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 20.
Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.
On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.
Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.
Learn more about Xanthan GumCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 35.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 16.
Adenosine is in every living organism. It is one of four components in nucleic acids that helps store our DNA.
Adenosine has many benefits when used. These benefits include hydrating the skin, smoothing skin, and reducing wrinkles. Once applied, adenosine increases collagen production. It also helps with improving firmness and tissue repair.
Studies have found adenosine may also help with wound healing.
In skincare products, Adenosine is usually derived from yeast.
Learn more about AdenosineCOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 37.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 11.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
It is a chelating agent, meaning it neutralizes metal ions that may be found in a product.
Disodium EDTA is a salt of edetic acid and is found to be safe in cosmetic ingredients.
Learn more about Disodium EDTACOSRX The 6 Peptide Skin Booster Serum contains this as ingredient number 39.
Mediheal Collagen Essential Mask - Tightening contains this as ingredient number 12.
Here's what our community thinks of the ingredients in these two products.
COSRX The 6 Peptide Skin Booster Serum 44 ingredients
Mediheal Collagen Essential Mask - Tightening 37 ingredients
Usage
Here's some more info on how this product is used by our community.
When to use
COSRX The 6 Peptide Skin Booster Serum 44 ingredients
Mediheal Collagen Essential Mask - Tightening 37 ingredients
Reviews
Here's what our community thinks
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