COSRX Ultra-Light Invisible Sunscreen SPF 50 PA++++ Versus Amaterasun Transparent Sunscreen Moisturizer SPF 40 PA+++
Updated on May 07, 2024
Overview
What they are
These products are both cruelty-free and reef safe sunscreens. They have a total of 6 ingredients in common
Cool Features
They both contain SPF and Vitamin E
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 harsh alcohols, common allergens, parabens or sulfates
What's Inside
They both contain 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
COSRX Ultra-Light Invisible Sunscreen SPF 50 PA++++ 28 ingredients
Amaterasun Transparent Sunscreen Moisturizer SPF 40 PA+++ 23 ingredients
What's inside (and what isn't)
What's inside (and what isn't)
At a glance
Click on any of the items below to learn more
COSRX Ultra-Light Invisible Sunscreen SPF 50 PA++++ 28 ingredients
Amaterasun Transparent Sunscreen Moisturizer SPF 40 PA+++ 23 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Aloe Barbadensis Leaf Water
MaskingDiethylhexyl Succinate
EmollientPropanediol
Solvent
Water
Skin ConditioningDrometrizole Trisiloxane
UV Absorber
Ethylhexyl Triazone
UV Absorber
Niacinamide
Smoothing
Diethylamino Hydroxybenzoyl Hexyl Benzoate
UV Filter
Terephthalylidene Dicamphor Sulfonic Acid
UV Absorber
1,2-Hexanediol
Skin Conditioning
Behenyl Alcohol
Emollient
Methyl Trimethicone
Skin Conditioning
Sodium Polyacryloyldimethyl Taurate
Emulsion StabilisingHamamelis Virginiana Leaf Water
Astringent
Tromethamine
BufferingPolyacrylate Crosspolymer-6
Emulsion StabilisingArachidyl Alcohol
EmollientCaprylyl Glycol
EmollientEthylhexylglycerin
Skin ConditioningArachidyl Glucoside
EmulsifyingSodium Metaphosphate
BufferingAdenosine
Skin Conditioning
Tocopherol
Antioxidant
Sodium Hyaluronate
Humectant
Allantoin
Skin Conditioning
Citric Acid
Buffering
Sodium Benzoate
Masking
Potassium Sorbate
Preservative
Aloe Barbadensis Leaf Water, Diethylhexyl Succinate, Propanediol, Water, Drometrizole Trisiloxane, Ethylhexyl Triazone, Niacinamide, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Terephthalylidene Dicamphor Sulfonic Acid, 1,2-Hexanediol, Behenyl Alcohol, Methyl Trimethicone, Sodium Polyacryloyldimethyl Taurate, Hamamelis Virginiana Leaf Water, Tromethamine, Polyacrylate Crosspolymer-6, Arachidyl Alcohol, Caprylyl Glycol, Ethylhexylglycerin, Arachidyl Glucoside, Sodium Metaphosphate, Adenosine, Tocopherol, Sodium Hyaluronate, Allantoin, Citric Acid, Sodium Benzoate, Potassium Sorbate
Water
Skin ConditioningGlycerin
Humectant
Cyclopentasiloxane
Emollient
Phenylbenzimidazole Sulfonic Acid
UV Absorber
Tromethamine
BufferingDimethicone
Emollient
Terephthalylidene Dicamphor Sulfonic Acid
UV Absorber
PEG/PPG-17/6 Copolymer
SolventHelianthus Annuus Seed Oil
Emollient
Rosmarinus Officinalis Leaf Extract
AntimicrobialPrunus Persica Flower Extract
MoisturisingHexylene Glycol
EmulsifyingHydroxyacetophenone
Antioxidant
PEG-10 Dimethicone
Skin Conditioning
Parfum
Masking
Dipropylene Glycol
MaskingSodium Citrate
BufferingSodium Benzoate
Masking
Citric Acid
Buffering
Tocopherol
Antioxidant
Ethyl Ferulate
Antioxidant
Caprylyl Methicone
Skin Conditioning
Dimethicone/Vinyl Dimethicone Crosspolymer
Skin ConditioningWater, Glycerin, Cyclopentasiloxane, Phenylbenzimidazole Sulfonic Acid, Tromethamine, Dimethicone, Terephthalylidene Dicamphor Sulfonic Acid, PEG/PPG-17/6 Copolymer, Helianthus Annuus Seed Oil, Rosmarinus Officinalis Leaf Extract, Prunus Persica Flower Extract, Hexylene Glycol, Hydroxyacetophenone, PEG-10 Dimethicone, Parfum, Dipropylene Glycol, Sodium Citrate, Sodium Benzoate, Citric Acid, Tocopherol, Ethyl Ferulate, Caprylyl Methicone, Dimethicone/Vinyl Dimethicone Crosspolymer
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 WaterEcamsule is a UV-A absorber (290–400 nm) patented by L'Oreal. It is derived from benzylidene camphor, making it highly photostable.
Ecamsule is able to prevent UV from reaching the skin. It absorbs UV and releases it as thermal energy.
It does this by:
The pH of ecamsule needs to be neutralized due to it being an acid. Triethanolamine is a pH adjusting ingredient often used with ecamsule.
This sunscreen ingredient is approved for use in the EU, Canada, and Asia. In the US, you will only find this ingredient in select L'Oreal products.
Learn more about Terephthalylidene Dicamphor Sulfonic AcidTromethamine helps balance the pH and improve the texture of a product. It is synthetically created.
As an emulsifier, Tromethamine prevents oil and water ingredients from separating. This helps stabilize the product and elongate a product's shelf life. Tromethamine also makes a product thicker.
Tromethamine helps balance the pH level of a product. Normal pH level of skin is slightly acidic (~4.75-5.5). The acidity of our skin is maintained by our glands and skin biome. Being slightly acidic allows our skin to create an "acid mantle". This acid mantle is a thin barrier that protects our skin from bacteria and contaminants.
Oral Tromethanmine is an anti-inflammatory drug but plays the role of masking, adding fragrance, and/or balancing pH in skincare.
1,3-Propanediol, 2-amino-2-(hydroxymethyl)-
Learn more about TromethamineTocopherol (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 TocopherolCitric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
As an AHA, Citric Acid removes the top layer of skin cells from the newer layer of skin underneath. This helps skin to remove dark spots and even out skin tone.
If you spot Citric Acid near the end of an ingredient list, it's likely there as a pH adjuster rather than an active ingredient.
Read more about some other popular AHA's here:
Learn more about Citric AcidSodium 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.
Both the US FDA and EU Health Committee have approved the use of sodium benzoate. In the US, levels of 0.1% (of the total product) are allowed.
Sodium benzoate works as a preservative by inhibiting the growth of bacteria inside of cells. It prevents the cell from fermenting a type of sugar using an enzyme called phosphofructokinase.
It is the salt of benzoic acid. Foods containing sodium benzoate include soda, salad dressings, condiments, fruit juices, wines, and snack foods.
Studies for using ascorbic acid and sodium benzoate in cosmetics are lacking, especially in skincare routines with multiple steps.
We always recommend speaking with a professional, such as a dermatologist, if you have any concerns.
Learn more about Sodium BenzoateIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
COSRX Ultra-Light Invisible Sunscreen SPF 50 PA++++ 28 ingredients
Amaterasun Transparent Sunscreen Moisturizer SPF 40 PA+++ 23 ingredients
Reviews
Here's what our community thinks
COSRX Ultra-Light Invisible Sunscreen SPF 50 PA++++ 28 ingredients
Wow holy grail end game status achieved!
DO NOT REFORMULATE this, Cosrx, i swear!!!
Suuuper lightweight. Does exactly as named “light” & “invisible” which are two very important things for me as someone with oily acne prone skin in a humid climate.
Oh and did i mention it makes your makeup glide on top perfectly???!! Looove how this susncreen makes my foundation & concealer glide on so Show more
This sunscreen is so light and easy to spread, I love it! The ingredients look really good too, there's no alcohol, fragrance, or oil, and it doesn't have any ingredients that trigger fungal acne.
It also makes my skin look dewy and it lasts for a long time.
Edit - I've been using it for two months now and I've already bought two more bottles because this is definitely my favorite sunscreen. The Show more
