Updated on July 18, 2023
Overview
What they are
These products are both sunscreens. They have a total of 5 ingredients in common
Cool Features
They both contain SPF
Suited For
They're both likely to be good for dry skin and brightening skin
Free From
They both do not contain any oils, parabens or sulfates
What's Inside
They both contain harsh alcohols and silicones
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
Eucerin Sun Protection Sun Fluid Face SPF 50 26 ingredients
COSRX Aloe Soothing Sun Cream SPF 50 PA+++ 45 ingredients
At a glance
Click on any of the items below to learn more
Eucerin Sun Protection Sun Fluid Face SPF 50 26 ingredients
COSRX Aloe Soothing Sun Cream SPF 50 PA+++ 45 ingredients
Notable Ingredients
This product contains 6 ingredients 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:
Concerns
This product contains 1 ingredient that may have this attribute:
This product contains 3 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:
This product contains 3 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
Notable Ingredients
This product contains 4 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:
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:
This product contains 2 ingredients that may have this attribute:
Concerns
This product contains 1 ingredient that may have this attribute:
This product contains 3 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 3 ingredients that may have this attribute:
This product contains 4 ingredients that may have this attribute:
This product contains 5 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.
Isopropyl Palmitate is a texture enhancer and emollient. It is an ester of isopropyl alcohol and palmitic acid.
We don't have a description for Butylene Glycol Dicaprylate/Dicaprate.
2 Concerns
Octocrylene protects skin from sun damage. It absorbs UV-B with peak absorption of 304 nm. It is a common sunscreen ingredient and often paired with avobenzone, a UVA filter. This is because octocrylene stabilizes other sunscreen ingredients by protecting them from degradation when exposed to sunlight. Octocrylene is a photostable ingredient and loses about 10% of SPF in 95 minutes.
5 Concerns
Alcohol Denat. is an alcohol with a denaturant property. It is created by mixing ethanol with other additives.
2 Concerns
Also known as Avobenzone, this ingredient is a chemical sunscreen filter that provides protection in the UV-A range.
Dibutyl Adipate is an emollient and solvent. It is created from butyl alcohol and adipic acid.
This ingredient is more commonly known as Ensulizole, a chemical sunscreen ingredient.
You might know this ingredient as Tinosorb S or Bemotrizinol. It is a UV filter that covers both UVA and UVB rays.
2 Concerns
Ethylhexyl Salicylate is an organic compound used to block UV rays. It primarily absorbs UVB rays but offers a small amount of UVA protection as well.
Non-Reef-Safe
Homosalate is a chemical sunscreen filter that provides protection in the UV-B range (280nm - 320 nm), with a peak protection at 306 nm. It is internationally approved for use in sunscreens.
Glycine is an amino acid that helps build proteins. It is already present in our skin as our bodies produce them naturally.
Polymethylsilsesquioxane is a silicone used as a film forming agent.
Polyglyceryl-3 Diisostearate is an emulsifer and emollient. It comes from Isostearic Acid and Polyglycerin-3.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
This silica is mainly used to thicken oils and suspend particles in oils. It is not water soluble.
Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
Water, Isopropyl Palmitate, Butylene Glycol Dicaprylate/Dicaprate, Isodecyl Neopentanoate, Octocrylene, Alcohol Denat., Methyl Methacrylate Crosspolymer, Butyl Methoxydibenzoylmethane, Dibutyl Adipate, Phenylbenzimidazole Sulfonic Acid, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Ethylhexyl Salicylate, Homosalate, Glycine, Polyamide-5, Polymethylsilsesquioxane, Arginine Hcl, Polyglyceryl-3 Diisostearate, Glycerin, Sodium Hyaluronate, Glycyrrhetinic Acid, Glycyrrhiza Inflata Root Extract, Trisodium EDTA, Silica Dimethyl Silylate, Dimethicone, Ethylhexylglycerin
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.
2 Concerns
Ethylhexyl Methoxycinnamate is an organic compound that provides UVB protection. It often goes by the more common name of octinoxate. It is created from methoxycinnamic acid and 2-ethylhexanol.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.
Cyclopentasiloxane is a silicone used to improve texture and trap moisture. An easier name for this is D5.
This ingredient is more commonly known as Ensulizole, a chemical sunscreen ingredient.
You might know this ingredient as Tinosorb S or Bemotrizinol. It is a UV filter that covers both UVA and UVB rays.
Dicaprylyl Carbonate comes from carbonic acid and caprylyl alcohol, a fatty alcohol. It is an emollient and gives skin a velvet feel. The sources of Dicaprylyl Carbonate may be synthetic or from animals.
Amiloxate is a chemical sunscreen absorber. It mainly protects against UV-B rays (290-320 nm) but offers a bit of UV-A protection (320-340 nm).
Potassium Cetyl Phosphate is the potassium salt of a mixture. This mixture consists of the esters from phosphoricacid and cetyl alcohol.
5 Concerns
Alcohol comes in many different forms. Different types of alcohol will have different effects on skin. This ingredient is usually an astringent alcohol.
Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Glyceryl Stearate is a mix of glycerin and stearic acid.
Non-Reef-Safe
Titanium dioxide is known for its UVA and UVB protection properties. It is non-comedogenic and non-irritating. Titanium Dioxide is a physical sunscreen. Physical sunscreens reflect light and prevent it from reaching your skin.
C14-22 Alcohols is made up of synthetic fatty alcohols. More specifically, these fatty alcohols contain 14 to 22 carbons in the alkyl chain.
3 Concerns
Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.
Peg-100 Stearate is an emollient and emulsifier. PEGS are a hydrophilic polyether compound . There are 100 ethylene oxide monomers in Peg-100 Stearate. Peg-100 Stearate is polyethylene glycol ester of stearic acid.
Triethanolamine is an emulsifier and pH adjuster. It is created using ethylene oxide and ammonia. This gives Triethanolamine a nitrogen core and a similar scent to ammonia.
2 Concerns
Silica is a mineral naturally found in our skin. It helps to thicken and smooth the texture of a product. It also acts as an agent for other ingredients by increasing the absorption of other ingredients into the skin.
Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.
Dimethicone/Vinyl Dimethicone Crosspolymer is a silicone used to improve the texture of products and absorb oil. It does not get absorbed into the skin.
Aluminum Hydroxide is a form of aluminum. It can be naturally found in nature as the mineral gibbsite. In cosmetics, Aluminum Hydroxide is used as a colorant, pH adjuster, and absorbent.
Stearic Acid is a fatty acid. It is an emollient, emulsifier, and texture enhancer.
2 Concerns
Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.
Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
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.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken and improve the texture of products.
Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.
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.
Limonene is a fragrance that adds scent and taste to a formulation.
Antioxidant Helps brighten skin
Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
EU Allergen
Hexyl Cinnamal is a fragrance ingredient with a similar scent to jasmine. It can be naturally found in chamomile essential oil.
2 Concerns
Linalool is a fragrance and helps add scent to products. It's derived from common plants such as cinnamon, mint, citrus, and lavender.
EU Allergen
Benzyl Salicylate is a solvent and fragrance additive. It is an ester of benzyl alcohol and salicylic acid. This ingredient can be naturally found in some plants and plant extracts.
EU Allergen
Geraniol is used to add fragrance/parfum to a product. It is the main component of citronellol. It is a monoterpenoid and an alcohol.
Fragrance Preservative 6 Concerns
Benzyl Alcohol is most commonly used as a preservative. It also has a subtle, sweet smell. Small amounts of Benzyl Alcohol is not irritating and safe to use in skincare products. Most Benzyl Alcohol is derived from fruits such as apricots.
EU Allergen
Citronellol is used to add fragrance/parfum to a product. It is often derived from plants such as roses. In fact, it can be found in many essential oils including geranium, lavender, neroli, and more. The scent of Citronellol is often described as "fresh, grassy, and citrus-like".
EU Allergen
Benzyl Benzoate is usually created from the condensation of benzoic acid and benzyl alcohol. It is used as a preservative, solvent, and has a floral/balsamic scent in large amounts.
EU Allergen
Citral is a fragrance and used to add a lemon-like scent to products. It is both naturally found in plants and created synthetically. In plants, it is commonly occurring in lemon myrtle, lemongrass, lemon tea-tree, lemon verbena, and other citruses.
Water, Ethylhexyl Methoxycinnamate, Glycerin, Propylene Glycol, Cyclopentasiloxane, Phenylbenzimidazole Sulfonic Acid, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Dicaprylyl Carbonate, Isoamyl P-Methoxycinnamate, Potassium Cetyl Phosphate, Alcohol, Dimethicone, Butylene Glycol, Glyceryl Stearate, Titanium Dioxide, C14-22 Alcohols, Polymethyl Methacrylate, Cetearyl Alcohol, Peg-100 Stearate, Triethanolamine, Silica, Sodium Hydroxide, Dimethicone/Vinyl Dimethicone Crosspolymer, C12-20 Alkyl Glucoside, Aluminum Hydroxide, Stearic Acid, Parfum, Caprylyl Glycol, Phenoxyethanol, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Aloe Arborescens Leaf Extract, Dipotassium Glycyrrhizate, Carbomer, Xanthan Gum, Limonene, Tocopheryl Acetate, Disodium EDTA, Hexyl Cinnamal, Linalool, Benzyl Salicylate, Geraniol, Benzyl Alcohol, Citronellol, Benzyl Benzoate, Citral
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 WaterThis ingredient is more commonly known as Ensulizole, a chemical sunscreen ingredient.
Ensulizole mainly protects UV-B (290-340 nm) but offers a little UV-A (320-400 nm) protection. It is often paired with less photo-stable sunscreen ingredients due to its photo-stability.
Due to it being water-soluble, Ensulizole helps give sunscreens a light and non-oily texture.
Ensulizole is approved worldwide:
Learn more about Phenylbenzimidazole Sulfonic AcidYou might know this ingredient as Tinosorb S or Bemotrizinol. It is a UV filter that covers both UVA and UVB rays.
Bemotrizinol has two peak UV absorption peaks ( 310 and 340 nm) and is able to absorb both UV-A and UV-B rays. Skin exposed to UV causes free-radical molecules to form. This ingredient works by preventing the UV from reaching your skin.
It is highly photostable and helps prevent the photodegration of other sunscreen ingredients such as avobenzone.
Bemotrizinol is not approved in the US but is allowed in the EU, Australia, and Asia.
In fact, it is the most effective UV absorber at maximum concentration (measured by SPF) permitted by in the EU.
It is oil-soluble.
Learn more about Bis-Ethylhexyloxyphenol Methoxyphenyl TriazineGlycerin 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 GlycerinDimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
Dimethicone has been found increase absorption in skin, boosting the benefits of other ingredients. While there is concern for the safety of dimethicone, the levels used in skincare are safe for use.
Ingredient Ratings
Here's what our community thinks of the ingredients in these two products.
When to use
Eucerin Sun Protection Sun Fluid Face SPF 50 26 ingredients
COSRX Aloe Soothing Sun Cream SPF 50 PA+++ 45 ingredients
Reviews
Here's what our community thinks
Eucerin Sun Protection Sun Fluid Face SPF 50 26 ingredients
COSRX Aloe Soothing Sun Cream SPF 50 PA+++ 45 ingredients
mooj
this sunscreen stung my eyes super bad. even when i took care to avoid my eye area, it still burnt. left my skin red and irritated looking.
AnaRitaSantos
Worst product from COSRX
Not suitable for oily skin because the amount of silicone in it causes a lot of pilling and it's horrible to use with...
Worst product from COSRX
Not suitable for oily skin because the amount of silicone in it causes a lot of pilling and it's horrible to use with other products. Not suitable for sensitive skin, it triggered irritation and redness on my face after one week of using it.
