Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ PA++++ Versus L'Oreal UV Defender Anti-Shine Clear SPF 50+

Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ PA++++ Versus L'Oreal UV Defender Anti-Shine Clear SPF 50+

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

This hybrid 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

Water

Dibutyl Adipate

Propanediol

Diethylamino Hydroxybenzoyl Hexyl Benzoate

Polymethylsilsesquioxane

Ethylhexyl Triazone

Niacinamide

Methylene Bis-Benzotriazolyl Tetramethylbutylphenol

Coco-Caprylate/Caprate

Caprylyl Methicone

Diethylhexyl Butamido Triazone

Glycerin

1,2-Hexanediol

Butylene Glycol

Oryza Sativa Extract

Oryza Sativa Germ Extract

Camellia Sinensis Leaf Extract

Lactobacillus/Pumpkin Ferment Extract

Bacillus/Soybean Ferment Extract

Saccharum Officinarum Extract

Macrocystis Pyrifera Extract

Cocos Nucifera Fruit Extract

Panax Ginseng Root Extract

Monascus/Rice Ferment

Behenyl Alcohol

Poly C10-30 Alkyl Acrylate

Polyglyceryl-3 Methylglucose Distearate

Decyl Glucoside

Tromethamine

Carbomer

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Sodium Stearoyl Glutamate

Polyacrylate Crosspolymer-6

Adenosine

Xanthan Gum

T-Butyl Alcohol

Tocopherol

Lactobacillus/Rice Ferment

Aspergillus Ferment

Saccharomyces/Rice Ferment Filtrate

Pentylene Glycol

Ethylhexylglycerin

Water, Dibutyl Adipate, Propanediol, Diethylamino Hydroxybenzoyl Hexyl Benzoate, Polymethylsilsesquioxane, Ethylhexyl Triazone, Niacinamide, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, Coco-Caprylate/Caprate, Caprylyl Methicone, Diethylhexyl Butamido Triazone, Glycerin, 1,2-Hexanediol, Butylene Glycol, Oryza Sativa Extract, Oryza Sativa Germ Extract, Camellia Sinensis Leaf Extract, Lactobacillus/Pumpkin Ferment Extract, Bacillus/Soybean Ferment Extract, Saccharum Officinarum Extract, Macrocystis Pyrifera Extract, Cocos Nucifera Fruit Extract, Panax Ginseng Root Extract, Monascus/Rice Ferment, Behenyl Alcohol, Poly C10-30 Alkyl Acrylate, Polyglyceryl-3 Methylglucose Distearate, Decyl Glucoside, Tromethamine, Carbomer, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sodium Stearoyl Glutamate, Polyacrylate Crosspolymer-6, Adenosine, Xanthan Gum, T-Butyl Alcohol, Tocopherol, Lactobacillus/Rice Ferment, Aspergillus Ferment, Saccharomyces/Rice Ferment Filtrate, Pentylene Glycol, Ethylhexylglycerin

Homosalate

Silica

Isononyl Isononanoate

Butyl Methoxydibenzoylmethane

Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine

Diisopropyl Sebacate

Aluminum Starch Octenylsuccinate

Phenylbenzimidazole Sulfonic Acid

Octocrylene

Triethanolamine

Titanium Dioxide

Potassium Cetyl Phosphate

Phenoxyethanol

Stearic Acid

Palmitic Acid

PEG-100 Stearate

Glyceryl Stearate

Ammonium Acryloyldimethyltaurate/Vp Copolymer

Parfum

Sodium Methyl Stearoyl Taurate

Caprylyl Glycol

Stearyl Alcohol

Terephthalylidene Dicamphor Sulfonic Acid

Chlorphenesin

Poloxamer 338

Polyglyceryl-10 Laurate

Cellulose

Aluminum Hydroxide

Silica Silylate

Menthoxypropanediol

Disodium EDTA

Myristic Acid

Sodium Hyaluronate

Water, Homosalate, Silica, Isononyl Isononanoate, Ethylhexyl Triazone, Butyl Methoxydibenzoylmethane, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Diisopropyl Sebacate, Glycerin, Aluminum Starch Octenylsuccinate, Phenylbenzimidazole Sulfonic Acid, Octocrylene, Caprylyl Methicone, Pentylene Glycol, Triethanolamine, Titanium Dioxide, Potassium Cetyl Phosphate, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, Phenoxyethanol, Stearic Acid, Palmitic Acid, PEG-100 Stearate, Glyceryl Stearate, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Parfum, Sodium Methyl Stearoyl Taurate, Caprylyl Glycol, Stearyl Alcohol, Terephthalylidene Dicamphor Sulfonic Acid, Tocopherol, Chlorphenesin, Poloxamer 338, Polyglyceryl-10 Laurate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Cellulose, Butylene Glycol, Aluminum Hydroxide, Silica Silylate, Menthoxypropanediol, Disodium EDTA, Myristic Acid, Sodium Hyaluronate, T-Butyl Alcohol

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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.

Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken, emulsify, and improve the texture of products.

As an emulsifier, it helps stabilize oil-in-water emulsions to give products an elegant feel when applied.

It can also form a thin protective film on skin. One study found that a formula using this polymer helped slow down how quickly other ingredients (like DEET) were absorbed through skin.

A 2024 study of over 1,300 patients confirmed that sensitization to this ingredient is rare. It is also non-mutagenic and has a clean track record.

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.

Caprylyl Methicone is a synthetic and lightweight silicone fluid. It gives products a silky, dry-touch finish without the heaviness of pure oils.

Though the EU CosIng Database lists this ingredient as a skin conditioner, it is also used for sensory reasons. It spreads easily, cuts greasiness, and reduces tackiness.

This ingredient is volatile which means it will mostly evaporate (but it evaporates slower than older cyclomethicones, like Cyclotetrasiloxane).

Typical concentration ranges from 1-30% depending on if it's being used to tweak the feel of a product or acting as the main emollient.

Ethylhexyl Triazone (aka Octyl Triazone) is an oil-soluble organic UVB filter. It has peak absorption around 314 nm, right in the middle of the UVB range.

This ingredient is described as one of the most effective UVB filters available and small concentrations are enough to deliver a high SPF thanks to its strong UV absorbing power.

Formulators love it for its stability; its ability to filter UV stays practically unchanged even under intense radiation and it can also help boost the photostability of less stable filters like avobenzone.

It's also a great pick for water resistant products because it's insoluble in water and has a good affinity for keratin.

Because it's a big, heavy molecule, the European Scientific Committee has found to to have very low dermal penetration and negative results for allergenicity.

In vitro testing also showed a low absorption rate and clean results on irritation.

Typical use levels are 1-5% with 5% being the maximum in the EU, Japan, and other markets that allow it. However, this ingredient is not approved yet in the US or Canada.

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.

This ingredient is also known as Tinosorb M or Bisoctrizole and is a bit of an overachiever in the sunscreen world.

It's a hybrid broad-spectrum filter that covers UVA and UVB (~280-400nm) with peak absorption around 305nm for UVB or 360nm for UVA (and a tiny bit in blue-light territory as well).

One of its best party tricks is photostability; it doesn't break down with repeated sun exposure and doesn't generate free radicals in the process either. You'll also see it paired with wobbly filters like avobenzone because it helps stabilize them.

The safety profile is assuring as well. Because it's a large molecule, it doesn't easily absorb into skin and rarely causes irritation.

It's approved in the EU, Asia, and Australia up to 10% and most formulas land somewhere in the 2-10% range.

You won't find it as a sunscreen active in the US, but it can make an appearance as a formula-protecting UV-absorber.

Pentylene Glycol (1,2-pentanediol) is a multitasking little diol with three main roles in a formula:

Research on alkanediols (the family pentylene glycol belongs to) show they work by disrupting microbial cell membranes. This disruption helps the primary preservative system in a product work more effectively at lower doses.

On the safety side, the Cosmetic Ingredient Review Expert Panel has concluded this ingredient to be safe as used in current cosmetic practices + concentrations.

Typical use levels in a formula run about 1-5%.

T-Butyl Alcohol (aka tert-butanol) is a small, clear, camphor-smelling alcohol.

It has two main jobs:

On the safety side, it's well-studied and has a solid track record. Human repeat-insult patch testing showed no skin irritation or sensitization even at 100%.

Typical use levels are pretty tiny, usually less than 1%.

You might see some fear-mongering around this ingredient:

Studies in male rats showed kidney effects but that's because of a rat-specific protein that humans don't make. So this study isn't really relevant to humans.

Though it's not a typical fragrance like parfum, it does have a natural scent. That's why the official COSIng database lists it as 'perfuming' ingredient. It can be used to modify the scent of a formula.

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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