Kiehl's Better Screen UV Serum SPF 50+ Facial Sunscreen With Collagen Peptide Versus Beauty of Joseon Ginseng Moist Sun Serum SPF 50+ PA++++

Kiehl's Better Screen UV Serum SPF 50+ Facial Sunscreen With Collagen Peptide Versus Beauty of Joseon Ginseng Moist Sun Serum SPF 50+ PA++++

This chemical sunscreen covers most of the UV range, lighter on the deep UVA that drives aging.

This chemical sunscreen covers the full UV range and blocks ~98% of UVB at SPF 50.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Butyl Methoxydibenzoylmethane 3%

Homosalate 7%

Ethylhexyl Salicylate 5%

Octocrylene 7%

Water

Glycerin

C15-19 Alkane

Propanediol

C12-22 Alkyl Acrylate/Hydroxyethylacrylate Copolymer

Tocopherol

Sodium Stearoyl Glutamate

Butylene Glycol

Cetearyl Alcohol

Sclerotium Gum

Hydroxyacetophenone

Caprylyl Glycol

Sodium Starch Octenylsuccinate

Glyceryl Stearate

Jojoba Esters

Helianthus Annuus Seed Wax

Hydroxypropyl Starch Phosphate

Trisodium Ethylenediamine Disuccinate

Carbomer

Sodium Lactate

Sodium Hydroxide

Polysorbate 20

Polyglycerin-3

Palmitoyl Tripeptide-1

Palmitoyl Tetrapeptide-7

Butyl Methoxydibenzoylmethane 3%, Homosalate 7%, Ethylhexyl Salicylate 5%, Octocrylene 7%, Water, Glycerin, C15-19 Alkane, Propanediol, C12-22 Alkyl Acrylate/Hydroxyethylacrylate Copolymer, Tocopherol, Sodium Stearoyl Glutamate, Butylene Glycol, Cetearyl Alcohol, Sclerotium Gum, Hydroxyacetophenone, Caprylyl Glycol, Sodium Starch Octenylsuccinate, Glyceryl Stearate, Jojoba Esters, Helianthus Annuus Seed Wax, Hydroxypropyl Starch Phosphate, Trisodium Ethylenediamine Disuccinate, Carbomer, Sodium Lactate, Sodium Hydroxide, Polysorbate 20, Polyglycerin-3, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7

Dibutyl Adipate

Diethylamino Hydroxybenzoyl Hexyl Benzoate

Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine

Alcohol

Acrylates Copolymer

Butyloctyl Salicylate

C12-15 Alkyl Benzoate

Ethylhexyl Triazone

Phenethyl Benzoate

Arbutin

1,2-Hexanediol

Silica

Methylpropanediol

Isoamyl P-Methoxycinnamate

Polysilicone-15

Polymethylsilsesquioxane

Panax Ginseng Root Extract

Pentylene Glycol

Dibutyl Ethylhexanoyl Glutamide

Dibutyl Lauroyl Glutamide

C30-45 Alkyldimethylsilyl Polypropylsilsesquioxane

Ammonium Acryloyldimethyltaurate/Vp Copolymer

Sodium Acrylates Crosspolymer-2

Sodium Polyacryloyldimethyl Taurate

Ethyl Hexanediol

Panax Ginseng Berry Extract

Panax Ginseng Extract

Panax Ginseng Leaf/Stem Extract

Adenosine

Xanthan Gum

Disodium EDTA

Ethylhexylglycerin

Water, Butylene Glycol, Dibutyl Adipate, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Alcohol, Acrylates Copolymer, Butyloctyl Salicylate, C12-15 Alkyl Benzoate, Ethylhexyl Triazone, Phenethyl Benzoate, Arbutin, 1,2-Hexanediol, Silica, Methylpropanediol, Isoamyl P-Methoxycinnamate, Polysilicone-15, Polymethylsilsesquioxane, Panax Ginseng Root Extract, Pentylene Glycol, Dibutyl Ethylhexanoyl Glutamide, Dibutyl Lauroyl Glutamide, C30-45 Alkyldimethylsilyl Polypropylsilsesquioxane, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Sodium Acrylates Crosspolymer-2, Sodium Polyacryloyldimethyl Taurate, Ethyl Hexanediol, Hydroxyacetophenone, Panax Ginseng Berry Extract, Panax Ginseng Extract, Panax Ginseng Leaf/Stem Extract, Adenosine, Xanthan Gum, Disodium EDTA, Ethylhexylglycerin, Glycerin, Tocopherol

Reviews

Alternatives

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.

Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.

Topically, glycerin does several things at once:

Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.

Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.

This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.

Just know very high concentrations (>40%) can feel tacky in low humidity.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Hydroxyacetophenone is a small phenolic molecule that earns its place in a formulas as an antioxidant and preservative booster.

As a phenol, it is able to neutralize free radicals to protect both the product and the skin from oxidative stress.

Though it can't kill microbes on its own, it works as a good supporting agent when combined with other preservatives like Phenoxyethanol or 1,2-Hexanediol.

This ingredient naturally occurs as piceol in Norwegian spruce needles (~0.4-1.1% dry weight and in cloudberries). Though the cosmetic-grade material is synthesized for purity and consistency.

You'll usually see it used at low levels and suppliers recommend up to 1% added to a water phase.

Safety testing was done at concentrations like 0.05% in SPF products and 0.5% in a Human Repeated Insult Patch Test. The safety evidence is assuring; this ingredient is safe for cosmetics in current use and also holds safety status as a food flavoring as well.

An honest caveat: the "soothing" and "anti-inflammatory" claims come mostly from supplier marketing rather than published clinical trials. The Cosmetic Ingredient Review's own literature search found no useful efficacy studies on this ingredient.

So the antioxidant and preservative-boosting roles are the well supported ones while the calming benefit is plausible but thinly evidenced.

Overall, this is a well-tolerated, low-irritation multitasker that quietly helps a formula stay fresh and stable.

Tocopherol is a fat-soluble antioxidant known as Vitamin E.

You'll find this ingredient in the vast majority of skincare (for good reason). It works to neutralize free radicals, or unstable molecules generated by UV exposure, pollution, and other environmental stressors, before they can cause oxidative damage to your skin cells.

Topically applied tocopherol has been shown to protect against UV damage by ramping up the skin's own natural defense enzymes.

It also acts as a skin conditioning agent; some studies show that regular topical use can improve the skin's water-binding capacity over 2-4 weeks.

This ingredient is especially loved for being a team player. When combined with Vitamin C, the photoprotective effect of both ingredients roughly doubles and the combo also helps reduce UV-induced DNA damage.

This ingredient has some brightening potential but it's more of a prevention ingredient than spot-fader. Cell studies show it can slow down melanin production but it's worth noting that it's not the most powerful brightener out there.

In formulations, it also serves as a stabilizer that helps protect other oxidation-prone ingredients from degrading.

Concentrations usually range from 0.1-1% in most leave-on products.

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. Remember to stay hydrated!

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