Biossance Squalane + Zinc Sheer Mineral Sunscreen SPF 30 Versus La Roche-Posay SPF 50 Anthelios Age Correct

Biossance Squalane + Zinc Sheer Mineral Sunscreen SPF 30 Versus La Roche-Posay SPF 50 Anthelios Age Correct

This mineral sunscreen covers the full UV range and blocks ~97% of UVB at SPF 30.

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

Zinc Oxide 17.68%

Water

Dicaprylyl Ether

Caprylic/Capric Triglyceride

C13-15 Alkane

Polyglyceryl-3 Polyricinoleate

Glyceryl Citrate/Lactate/Linoleate/Oleate

Coco-Caprylate

Squalane

Glycerin

Ectoin

Bisabolol

Cetyl Alcohol

Hedychium Coronarium Root Extract

Vaccinium Macrocarpon Seed Oil

Xylitol

Anhydroxylitol

Xylitylglucoside

Tocopherol

Glucose

Disteardimonium Hectorite

Hectorite

Isostearic Acid

Lecithin

Polyhydroxystearic Acid

1,2-Hexanediol

Caprylyl Glycol

Sorbitan Isostearate

Zinc Oxide 17.68%, Water, Dicaprylyl Ether, Caprylic/Capric Triglyceride, C13-15 Alkane, Polyglyceryl-3 Polyricinoleate, Glyceryl Citrate/Lactate/Linoleate/Oleate, Coco-Caprylate, Squalane, Glycerin, Ectoin, Bisabolol, Cetyl Alcohol, Hedychium Coronarium Root Extract, Vaccinium Macrocarpon Seed Oil, Xylitol, Anhydroxylitol, Xylitylglucoside, Tocopherol, Glucose, Disteardimonium Hectorite, Hectorite, Isostearic Acid, Lecithin, Polyhydroxystearic Acid, 1,2-Hexanediol, Caprylyl Glycol, Sorbitan Isostearate

C12-15 Alkyl Benzoate

Octocrylene

Niacinamide

Butyl Methoxydibenzoylmethane

Dimethicone

Ethylhexyl Triazone

Silica

Aluminum Starch Octenylsuccinate

Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer

Terephthalylidene Dicamphor Sulfonic Acid

Potassium Cetyl Phosphate

Drometrizole Trisiloxane

PEG-100 Stearate

Stearyl Alcohol

Glyceryl Stearate

Ammonium Polyacryloyldimethyl Taurate

Benzyl Alcohol

Benzyl Benzoate

Capryloyl Salicylic Acid

Hydrolyzed Hyaluronic Acid

Phenoxyethanol

Phenylethyl Resorcinol

Poloxamer 338

Triethanolamine

Trisodium Ethylenediamine Disuccinate

Xanthan Gum

Parfum

Water, C12-15 Alkyl Benzoate, Glycerin, Octocrylene, Niacinamide, Butyl Methoxydibenzoylmethane, Dimethicone, Ethylhexyl Triazone, Silica, Aluminum Starch Octenylsuccinate, Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer, Terephthalylidene Dicamphor Sulfonic Acid, Potassium Cetyl Phosphate, Drometrizole Trisiloxane, PEG-100 Stearate, Stearyl Alcohol, Glyceryl Stearate, Ammonium Polyacryloyldimethyl Taurate, Benzyl Alcohol, Benzyl Benzoate, Capryloyl Salicylic Acid, Caprylyl Glycol, Hydrolyzed Hyaluronic Acid, Phenoxyethanol, Phenylethyl Resorcinol, Poloxamer 338, Tocopherol, Triethanolamine, Trisodium Ethylenediamine Disuccinate, Xanthan Gum, Parfum

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Alternatives

Ingredients Explained

These ingredients are found in both products.

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

Caprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created.

Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin.

Because it is not a free-fatty acid, this ingredient is fungal acne safe (there's nothing for Malassezia to feed on).

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.

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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