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 and Vitamin E
Suited For
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin and scar healing
Free From
They both do not contain any common allergens, parabens or sulfates
What's Inside
They both contain fragrances 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
Isntree Hyaluronic Acid Watery Sun Gel SPF50+ PA++++ 43 ingredients
Kosé Sekkisei Skincare UV Milk SPF 50+ PA++++ 27 ingredients
At a glance
Click on any of the items below to learn more
Isntree Hyaluronic Acid Watery Sun Gel SPF50+ PA++++ 43 ingredients
Kosé Sekkisei Skincare UV Milk SPF 50+ PA++++ 27 ingredients
Notable Ingredients
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Benefits
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Concerns
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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.
Hydrolyzed Hyaluronic Acid is a form of hyaluronic acid. It is created by the hydrolysis of hyaluronic acid with a high molecular weight. Once created, Hydrolyzed Hyaluronic Acid has a low molecular weight.
Houttuynia Cordata Extract is more commonly known as Heart Leaf, Fish Mint, or Chameleon plant.
4 Benefits May cause irritation
Hyaluronic acid is naturally found in healthy skin. It is a humectant, meaning it draws moisture to your skin.
Diethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB) is a chemical UVA absorber. It is formulated for high UVA protection (320-400 nm).
Astaxanthin is a carotene pigment and red pigment. It's what makes salmon a pink color.
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.
Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.
You might know this ingredient as Tinosorb S or Bemotrizinol. It is a UV filter that covers both UVA and UVB rays.
Oil Not safe for Fungal Acne
Olea Europaea Fruit Oil is the fixed oil obtained from the ripe fruit of the Olive. In other words - olive oil.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Hydrogenated Lecithin is created from the hydrogenation of lecithin. Hydrogenation is a chemical reaction between molecule hydrogen and another element.
This ingredient is a high molecular weight silicone. It has emulsifying and skin conditioning properties.
Ficus Carica Fruit Extract comes from the fruit known as the fig. Figs are rich in antioxidants and helps hydrate the skin.
Cyclopentasiloxane is a silicone used to improve texture and trap moisture. An easier name for this is D5.
Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.
Dibutyl Adipate is an emollient and solvent. It is created from butyl alcohol and adipic acid.
Mineral UV Filter
Methylene Bis-Benzotriazolyl Tetramethylbutylphenol (Tinosorb M) is a hybrid and broad-spectrum UV ingredient. It is both a UV absorber and filter.
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.
6 Benefits
Niacinamide has emerged as an all-star ingredient due to its many benefits.
Decyl Glucoside is a glucose-based surfactant. Surfactants help clean the skin by trapping oil, sebum, and dirt to be washed away.
Adenosine is in every living organism. It is one of four components in nucleic acids that helps store our DNA.
Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
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.
4 Benefits
Ascorbyl Propyl Hyaluronate is a form of Vitamin C. It can help to reduce redness, improve skin texture, reduce the effects of aging, and reduce the visibility of dark spots.
Centella Asiatica Extract (Centella) is derived from an herb native to Southeast Asia. It is famous for its anti-inflammatory and soothing properties.
Portulaca Oleracea Extract is an extract of the whole plant of the Purslane, Portulaca oleracea L., Portulacaceae. It has anti-inflammatory, antioxidant, and hydrating properties.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken and improve the texture of products.
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.
Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
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.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Antioxidant 4 Benefits May cause irritation
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.
Sodium Hyaluronate Crosspolymer is a type of hyaluronic acid. In fact, it is modified version of hyaluronic acid.
Tromethamine is an aliphatic compound. An aliphatic compound is an organic compound with open-chained carbon atoms. It is synthetically created. Tromethamine is used to balance pH and improve texture.
Water, Hydrolyzed Hyaluronic Acid, Houttuynia Cordata Extract, Hyaluronic Acid, Hydroxypropyltrimonium Hyaluronate, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Astaxanthin, Pentylene Glycol, Propylene Glycol, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Olea Europaea Fruit Oil, Glycerin, Hydrogenated Lecithin, Polysilicone-15, Cetyl Peg/Ppg-10/1 Dimethicone, Ceramide NP, Ficus Carica Fruit Extract, Pinus Pinaster Bark Extract, Cyclopentasiloxane, Propanediol, Dibutyl Adipate, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, Ethylhexyl Salicylate, Hydrolyzed Sodium Hyaluronate, Niacinamide, Decyl Glucoside, Adenosine, Ethylhexylglycerin, Xanthan Gum, Ascorbyl Propyl Hyaluronate, Centella Asiatica Extract, Portulaca Oleracea Extract, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Homosalate, Carbomer, Butylene Glycol, 1,2-Hexanediol, Ceteth-10, Sodium Hyaluronate, Tocopherol, Sodium Hyaluronate Crosspolymer, Sodium Acetylated Hyaluronate, Tromethamine
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.
Cyclomethicone is a class of silicones used to improve the texture of products.
Helps fight Acne Non-Reef-Safe
Zinc Oxide is a mineral broad-spectrum UV filter; it is the broadest UVA and UVB reflector approved by the FDA. While it is most commonly man-made for cosmetics, it can naturally occur in zincite, a rare mineral.
5 Concerns
Alcohol Denat. is an alcohol with a denaturant property. It is created by mixing ethanol with other additives.
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.
C12-15 Alkyl Benzoate is made up of Benzoic Acid and long chain alcohols. It has a low molecular weight.
Diethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB) is a chemical UVA absorber. It is formulated for high UVA protection (320-400 nm).
You might know this ingredient as Tinosorb S or Bemotrizinol. It is a UV filter that covers both UVA and UVB rays.
Saccharomyces Lysate is from the yeast Saccharomyces. This ingredient is created from the cell walls of Saccharomyces.
Actinidia Chinensis is the extract from kiwi fruit. It contains antioxidants in the forms of Vitamin C and polyphenols.
Antioxidant 4 Benefits May cause irritation
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.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
BHT is a synthetic antioxidant. As an antioxidant, it helps your body fight off free-radicals. Free-radicals are molecules that may damage your skin cells.
Isostearic acid is a saturated fatty acid. Its structure makes it a great surfactant.
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.
Squalane is an emollient that helps the skin hold onto moisture. It's an oily liquid that occurs naturally in certain types of fish and plant oils.
Talc is a clay mineral. It helps absorb moisture and improve the texture of products. Like other types of clay, Talc can have a slight exfoliating effect on skin. Talc can be added to increase the volume of products.
Phytosteryl Macadamiate comes from the fatty acids of Macadamia Seed Oil and an ester of phytosterol. Phytosterols are the plant-versions of cholesterol.
Hydrated Silica is a type of silicon dioxide. It is called 'hydrated silica' because it is silica with extra bonded water atoms.
2 Concerns
Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.
Mica refers to a group of silicate minerals. Mica crystals are easily split to give products a shimmer. These crystals are able to reflect light to temporarily give your skin a glowy look.
Water, Cyclomethicone, Zinc Oxide, Alcohol Denat., Ethylhexyl Methoxycinnamate, C12-15 Alkyl Benzoate, Isododecane, Peg-Crosspolymer, Tripropylene Glycol, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Saccharomyces Lysate, Actinidia Chinensis Fruit Extract, Ulmus Davidiana Root Extract, Tocopherol, Butylene Glycol, BHT, Isostearic Acid, Silica, Squalane, Zeolite, Talc, Hydrogen Dimethicone, Phytosteryl Macadamiate, Hydrated Silica, Parfum, Mica
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 WaterDiethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB) is a chemical UVA absorber. It is formulated for high UVA protection (320-400 nm).
DHHB is well-liked for:
DHHB has been approved by the EU, Japan, Taiwan, and South America for use up to 10%. Unfortunately, it has not been approved for use in the US or Canada due to slow regulatory processes.
This ingredient is soluble in oils, fats, and lipids.
It is an UV absorber. UV absorbers are an agent that absorbs UV rays to protect your skin. They use chemical reactions to convert UV rays into heat and energy.
Learn more about Diethylamino Hydroxybenzoyl Hexyl BenzoateYou 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 TriazineButylene Glycol (or BG) is used within cosmetic products for a few different reasons:
- It is a solvent, meaning that it helps to dissolve other ingredients. This also enhances the absorption of the product into one's skin.
- It is a humectant, which means that it helps attract moisture into the skin.
- It helps improve product application.
Overall, Butylene Glycol is a safe and well-rounded ingredient. It is unlikely to irritate skin, and works well with pretty much all other ingredients.
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 TocopherolIngredient Ratings
Here's what our community thinks of the ingredients in these two products.
When to use
Isntree Hyaluronic Acid Watery Sun Gel SPF50+ PA++++ 43 ingredients
Kosé Sekkisei Skincare UV Milk SPF 50+ PA++++ 27 ingredients
Reviews
Here's what our community thinks
Isntree Hyaluronic Acid Watery Sun Gel SPF50+ PA++++ 43 ingredients
rosalind
The sunscreen has a very watery consistency (as the name would suggest) leading to it feeling weightless on the skin, it applies beautifully...
The sunscreen has a very watery consistency (as the name would suggest) leading to it feeling weightless on the skin, it applies beautifully without any white cast, and is cosmetically brilliant under makeup. BE WARNED, this product has a noticeable sunscreen scent that depending on what you’re used to may or may not be tolerable. This sunscreen also has significant shine, it’s perfect for my dry skin as it leaves me with a dewy finish that I appreciate, however anyone desiring a matte finish or those with oily skin will definitely not like this product.
Felixe
sosososoo good!! has so many nice ingredients that hydrate your skin and also protects it from UV rays. And i can't get over how GOOD this works...
sosososoo good!! has so many nice ingredients that hydrate your skin and also protects it from UV rays. And i can't get over how GOOD this works under makeup it's insane, no pilling no white cast, just a great subtle glow and quick drying with no fragrance.
Edit: Felt like adding something, even if this went more viral around 2021 and other more viral sunscreens have come out since then, i've still been coming back to this one because it's just so simple and yet so effective.
Great for my sensitive combo skin and for people that don't have much time in the AM since it can kind of double down as moisturiser <3
