Here's our complete breakdown comparing the ingredients, attributes, and more of COSRX The Hyaluronic Acid 3 Serum versus BYOMA Brightening Serum .
Last updated on July 18, 2023. Published on January 04, 2023
Overview
What they are
These products are both cruelty-free and reef safe serums. They have a total of 18 ingredients in common
Cool Features
They both contain AHA, ceramides, hyaluronic acid and Vitamin E
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin and sensitive skin
Free From
They both do not contain any common allergens, fragrances, oils, parabens or sulfates
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that need an update? Let us know.
Price
Ingredient Info
COSRX The Hyaluronic Acid 3 Serum 43 ingredients
BYOMA Brightening Serum 25 ingredients
Contains Alcohol
Ingredients in this product that are types of alcohol:
Contains Silicon
Ingredients in this product that are types of silicon:
Fragrance Free
This product is free of fragrances 🎉
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 😥
Cruelty Free
This product is cruelty-free 🎉
Alcohol Free
This product is free of harsh alcohols 🎉
Silicon Free
This product is free of silicons 🎉
Fragrance Free
This product is free of fragrances 🎉
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 🎉
Vegan
This product is vegan 🎉
Cruelty Free
This product is cruelty-free 🎉
At a glance
Click on any of the items below to learn more
COSRX The Hyaluronic Acid 3 Serum 43 ingredients
BYOMA Brightening Serum 25 ingredients
Notable Ingredients
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Benefits
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Concerns
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Notable Ingredients
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:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Benefits
This product contains 5 ingredients that may have this attribute:
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Concerns
This product contains 2 ingredients 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:
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Join SkinSortIngredients Compared
Ingredients that are highlighted in purple are present in both products.
COSRX The Hyaluronic Acid 3 Serum 43 ingredients
BYOMA Brightening Serum 25 ingredients
Water • Butylene Glycol • Propanediol • Glycerin • Sodium Hyaluronate 3% • Pentylene Glycol • 1,2-Hexanediol • Diethoxyethyl Succinate • Sodium Polyacryloyldimethyl Taurate • Betaine • Xanthan Gum • Dimethicone • Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer • Sodium PCA • Sodium Lactate • PCA • Glyceryl Acrylate/Acrylic Acid Copolymer • Hydrogenated Lecithin • Ethylhexylglycerin • Serine • Alanine • Glycine • Sodium Phytate • Sorbitan Isostearate • Pvm/Ma Copolymer • Glutamic Acid • Citric Acid • Lysine Hcl • Threonine • Arginine • Sodium Methyl Stearoyl Taurate • Proline • Ceramide NP • Cholesterol • Caprylic/Capric Triglyceride • Phytosphingosine • Stearic Acid • Oleic Acid • Alcohol • Tocopherol • Lactic Acid • Caprylyl Glycol • Caprylhydroxamic Acid
Water • Methylpropanediol • Niacinamide • 1,2-Hexanediol • Glycerin • Polyglyceryl-10 Laurate • Sodium Hyaluronate • Ceramide NP • Cholesterol • Caprylic/Capric Triglyceride • Phytosphingosine • Sodium Phytate • Ascorbic Acid • Stearic Acid • Oleic Acid • Hydrogenated Lecithin • Ethylhexylglycerin • Xanthan Gum • Squalane • Tocopherol • Lactic Acid • Carbomer • Tromethamine • Caprylyl Glycol • Caprylhydroxamic Acid
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 Hyaluronic Acid 3 Serum contains this as ingredient number 1.
BYOMA Brightening Serum 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 Hyaluronic Acid 3 Serum contains this as ingredient number 4.
BYOMA Brightening Serum 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 Hyaluronic Acid 3 Serum contains this as ingredient number 5.
BYOMA Brightening Serum contains this as ingredient number 7.
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 Hyaluronic Acid 3 Serum contains this as ingredient number 7.
BYOMA Brightening Serum contains this as ingredient number 4.
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 Hyaluronic Acid 3 Serum contains this as ingredient number 11.
BYOMA Brightening Serum contains this as ingredient number 18.
Hydrogenated Lecithin is created from the hydrogenation of lecithin. Hydrogenation is a chemical reaction between molecule hydrogen and another element.
Hydrogenated Lecithin is an emollient and emulsifier. As an emollient, it helps soften skin by trapping moisture within.
The phospholipids in Hydrogenated Lecithin can produce liposomes. Liposomes help other ingredients get through the skin barrier to be better absorbed.
As an emulsifier, it prevents oil and water ingredients from separating.
Learn more about Hydrogenated LecithinCOSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 18.
BYOMA Brightening Serum contains this as ingredient number 16.
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.
COSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 19.
BYOMA Brightening Serum contains this as ingredient number 17.
Sodium Phytate is the synthetic salt form of phytic acid. Phytic acid is an antioxidant and can be found in plant seeds.
Sodium Phytate is a chelating agent. Chelating agents help prevent metals from binding to water. This helps stabilize the ingredients and the product.
COSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 23.
BYOMA Brightening Serum contains this as ingredient number 12.
Ceramide NP is a type of ceramide.
Ceramides are intercellular lipids naturally found in our skin that bonds dead skin cells together to create a barrier. They are known for their ability to hold water and thus are a great ingredient for dry skin.
Ceramides are an important building block for our skin barrier. A stronger barrier helps the skin look more firm and hydrated. By bolstering the skin ceramides act as a barrier against irritating ingredients. This can help with inflammation as well.
If you would like to eat ceramides, sweet potatoes contain a small amount.
Read more about other common types of ceramides here: Ceramide AP Ceramide EOP
Learn more about Ceramide NPCOSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 33.
BYOMA Brightening Serum contains this as ingredient number 8.
Cholesterol is a class of organic molecules called lipids. It helps hydrate your skin and is essential to having a healthy skin barrier.
Our skin naturally contains cholesterol in the outermost layer. Besides cholesterol, it also contains ceramides and fatty acids. Cholesterol makes up about 1/4 of your skin's outer layer and barrier. Your skin barrier is responsible for keeping allergens and microbes out. Having a healthy skin barrier is also responsible for keeping your skin firm and plump.
Our bodies use cholestrol to create vitamin D, steroid hormones, and more.
Learn more about CholesterolCOSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 34.
BYOMA Brightening Serum contains this as ingredient number 9.
Caprylic/Capric Triglyceride is an emollient, solvent, and texture enhancer. It is considered a skin-softener by helping the skin prevent moisture loss.
Within a product, Caprylic Triglyceride can thicken the product and make spreadability easier by dissolving clumping compounds. An added benefit of Caprylic Triglyceride is its antioxidant properties.
Caprylic Triglyceride is made by combining glycerin with coconut oil, forming a clear liquid. Caprylic Triglyceride has not been found to be toxic for human use in concentrations under 50%.
While there is an assumption Caprylic Triglyceride can clog pores due to it being derived from coconut oil, there is no research supporting this.
Learn more about Caprylic/Capric TriglycerideCOSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 35.
BYOMA Brightening Serum contains this as ingredient number 10.
Phytosphingosine is a phospholipid naturally found in our skin. It helps moisturize, soothe, and protect skin.
Phytosphingosine is already present in our skin. On our skin, it is a building block for ceramides.
Phytosphingosine tells our skin to increase its natural moisturizing factor (NMF). The NMF is responsible for hydration, a strong barrier, and plasticity. Our NMF decreases with age. Increasing NMF leads to more healthy and hydrated skin.
Studies show products formulated with NMF ingredients help strengthen our skin's barrier. Having a healthy skin barrier reduces irritation and increases hydration. Our skin barrier is responsible for having plump and firm skin. It also helps protect our skin against infection, allergies, and inflammation.
Phytosphingosine is also abundant in plants and fungi.
More ingredients that help boost collagen in skin:
Learn more about PhytosphingosineCOSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 36.
BYOMA Brightening Serum contains this as ingredient number 11.
Stearic Acid is a fatty acid. It is an emollient, emulsifier, and texture enhancer.
As an emollient, stearic acid helps soften skin. It aids the skin's protective barrier by preventing water loss. It also provides a gentle cleansing effect without stripping away natural oils.
Stearic acid may also be used to enhance the texture of products. It can add volume and stabilize ingredients such as water and oil. This can help water and oil ingredients from separating.
Sources of stearic acid include animal or vegetable fats/oils such as coconut or shea. It can be naturally found in butter, cocoa butter, shea butter, vegetable fats, and animal tallow.
This ingredient may not be Malassezia folliculitis, or fungal-acne safe.
Learn more about Stearic AcidCOSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 37.
BYOMA Brightening Serum contains this as ingredient number 14.
Oleic Acid is an Omega-9 fatty acid. It can be found in many plant oils such as avocado and marula oils.
Oleic Acid is used to enhance the texture of products. It is also a cleansing agent. As an emollient, it can help hydrate and soften the skin.
Oleic Acid isn't fungal acne safe. It can be bad for oily skin and be bad for acne prone skin.
We recommend speaking with a professional if you have any questions or concerns.
Learn more about Oleic AcidCOSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 38.
BYOMA Brightening Serum contains this as ingredient number 15.
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.
Vitamin E also helps keep your natural skin lipids healthy. Your lipid skin barrier naturally consists of lipids, ceramides, and fatty acids. Vitamin E offers extra protection for your skin’s lipid barrier, keeping your skin healthy and nourished.
Another benefit is a bit of UV protection. Vitamin E helps reduce the damage caused by UVB rays. (It should not replace your sunscreen). Combining it with Vitamin C can decrease sunburned cells and hyperpigmentation after UV exposure.
You might have noticed Vitamin E + C often paired together. This is because it is great at stabilizing Vitamin C. Using the two together helps increase the effectiveness of both ingredients.
There are often claims that Vitamin E can reduce/prevent scarring, but these claims haven't been confirmed by scientific research.
Learn more about TocopherolCOSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 40.
BYOMA Brightening Serum contains this as ingredient number 20.
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.
Benefits of Lactic Acid are that it can help to reduce large pores and reduce the effects of aging. Some potential downsides are that it can be bad for dry skin, cause irritation, worsen eczema, and worsen rosacea.
Not only does it help exfoliate the skin, it helps strengthen the skin's barrier. When applied, lactic acid helps the skin create ceramides.
Lactic acid is an over-the-counter chemical exfoliant that comes from the fermentation of lactose — a carbohydrate found in milk.
Legend has it that Cleopatra used to bathe in sour milk to help reduce wrinkles.
Read more about some other popular AHA's here:
Learn more about Lactic AcidCOSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 41.
BYOMA Brightening Serum contains this as ingredient number 21.
Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
It is a common ingredient in many products, especially those designed to hydrate skin. The primary benefits are retaining moisture, skin softening, and promoting a healthy skin barrier.
Though Caprylyl Glycol is an alcohol derived from fatty acids, it is not the kind that can dry out skin.
This ingredient is also used as a preservative to extend the life of products. It has slight antimicrobial properties.
Learn more about Caprylyl GlycolCOSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 42.
BYOMA Brightening Serum contains this as ingredient number 24.
Caprylhydroxamic Acid is a chelating agent.
Chelating agents help prevent metal ions from binding to other ingredients. This helps prevent unwanted reactions and effects from using the product.
Caprylhydroxamic Acid is often used with natural antimicrobial products as an alternative to preservatives.
Learn more about Caprylhydroxamic AcidCOSRX The Hyaluronic Acid 3 Serum contains this as ingredient number 43.
BYOMA Brightening Serum contains this as ingredient number 25.
Here's what our community thinks of the ingredients in these two products.
COSRX The Hyaluronic Acid 3 Serum 43 ingredients
BYOMA Brightening Serum 25 ingredients
Usage
Here's some more info on how this product is used by our community.
When to use
COSRX The Hyaluronic Acid 3 Serum 43 ingredients
BYOMA Brightening Serum 25 ingredients
Reviews
Here's what our community thinks
BYOMA Brightening Serum 25 ingredients
YousifShamoon
liked it
it does occasionally lather up during application, but it happens so inconsistently that i don't know the cause. my skin tone was visibly...
liked it
it does occasionally lather up during application, but it happens so inconsistently that i don't know the cause. my skin tone was visibly more balanced and bright after i started using this and my skin felt less dull and dehydrated. it takes a while to absorb into the skin because of its more viscous texture. i won't be repurchasing personally because i feel like i don't need my serum to be this gentle and also because the numbuzin no. 6 appears to be a much better option for me, but i'll have to try it and see. definitely get this if your skin is sensitive and/or you definitely don't wanna risk compromising your skin barrier, this applies to all byoma products because of their triceramide complex and not so risky ingredients.
jDragneel
I’m pretty sure this broke me out. Didn’t feel like it did much, pilled under my makeup. Wouldn’t buy again
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