Overview
What they are
These products are both vegan, cruelty-free, and reef safe serums. They have a total of 2 ingredients in common
Cool Features
They both contain peptides
Suited For
They're both likely to be good for dry skin and brightening skin
Free From
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates
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
Mary & May 6 Peptide Complex Serum 17 ingredients
Niod Copper Amino Isolate Serum 2:1 (CAIS2) 26 ingredients
At a glance
Click on any of the items below to learn more
Mary & May 6 Peptide Complex Serum 17 ingredients
Niod Copper Amino Isolate Serum 2:1 (CAIS2) 26 ingredients
Benefits
This product contains 1 ingredient that may have this attribute:
This product contains 2 ingredients 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:
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:
This product contains 2 ingredients that may have this attribute:
Ingredients Side-by-side
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.
Glycereth-26 is a synthetic ingredient and polyethylene glycol ether of Glycerin. Glycerin is already naturally found in your skin and helps keep your skin moisturized.
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.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Arginine is an amino acid that is important for human development. Your body uses is it to produce hair keratin and skin collagen.
Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.
Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
Polyglyceryl-10 Laurate is an ester of lauric acid and Polyglycerin-10.
Adenosine is in every living organism. It is one of four components in nucleic acids that helps store our DNA.
Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
Helps with Anti-Aging
Copper Tripeptide-1 is a peptide naturally found in body fluids. Peptides are building blocks for protein.
Not safe for Fungal Acne
You might know this ingredients as Matrixyl. It is a peptide.
Not safe for Fungal Acne
Palmitoyl Tripeptide-1 is a 3-amino acid peptide. Peptides are building blocks for protein.
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 is already naturally found in your skin. It helps moisturize and protect your skin.
Not safe for Fungal Acne
Ethyl Linoleate is a fragrance and isn't fungal acne safe.
This is a synthetic polymer. It helps improve the texture of products by adding thickness and gel-like feel.
Not safe for Fungal Acne
Myristoyl Nonapeptide-3 isn't fungal acne safe and is a peptide.
Bisabolol is pimarily used to add fragrance to a product. However, it is also famous for helping soothe skin.
Lecithin is a term for a group of substances found in plants, animals, and humans. They are made up of mixture of fatty acids. These fatty acids usually are a mixture of phosphoric acid's choline ester connected to stearic, oleic, and palmitic acids. Most lecithins are created from plant ingredients scuh as sunflower.
Sorbitan Isostearate is an emulsifer and cleaning agent. It is created from isostearic acid and sorbitol.
Isohexadecane is added to enhance texture, emulsify, and to help cleanse. It is an isoparrafin. It is a component of petrolatum.
Polysorbate 60 is used to help stabilize products. It is a surfactant and emulsifier. These properties help keep ingredients together in a product. Surfactants help reduce surface tension between ingredients with different states, such as liquids and solids. Emulsifiers help prevent oils and waters from separating.
Good for Minimizing Pores May worsen Rosacea
This ingredient is the sodium salt of salicylic acid, the famous anti-acne ingredient.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Chances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt.
Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.
Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.
Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.
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.
Chlorphenesin is a synthetic preservative. It helps protect a product against bacteria in order to extend shelf life. In most cases, Chlorphenesin is paired with other preservatives such as phenoxyethanol and caprylyl glycol.
Water, Lactococcus Ferment Lysate, Glycerin, Ethyl Linoleate, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Hexanoyl Dipeptide-3 Norleucine Acetate, Myristoyl Nonapeptide-3, Yeast Extract, Soy Amino Acids, Bisabolol, Pseudoalteromonas Exopolysaccharides, Lecithin, Sorbitan Isostearate, Isohexadecane, Polysorbate 60, Polyacrylate Crosspolymer-6, Trisodium Ethylenediamine Disuccinate, Sodium Salicylate, Citric Acid, Sodium Chloride, Potassium Sorbate, Sodium Benzoate, Pentylene Glycol, Ethoxydiglycol, Phenoxyethanol, Chlorphenesin
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. If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterGlycerin 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 GlycerinIngredient Ratings
Here's what our community thinks of the ingredients in these two products.
When to use
Mary & May 6 Peptide Complex Serum 17 ingredients
Niod Copper Amino Isolate Serum 2:1 (CAIS2) 26 ingredients
Reviews
Here's what our community thinks
