Skin science article
Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ PA++++ Versus Lancaster Sun Sensitive Face Cream SPF 50+ Comforting Cream
Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ PA++++ Versus Lancaster Sun Sensitive Face Cream SPF 50+ Comforting Cream This chemical sunscreen covers the full UV range and blocks ~98% of UVB at SPF 50. This hybrid sunscreen covers the full UV range
Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ PA++++ Versus Lancaster Sun Sensitive Face Cream SPF 50+ Comforting Cream
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
Dicaprylyl Carbonate
Octocrylene
Tribehenin PEG-20 Esters
Butyl Methoxydibenzoylmethane
C12-15 Alkyl Benzoate
Alcohol
Ethylhexyl Methoxycinnamate
Methyl Methacrylate Crosspolymer
Nylon-12
Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
Potassium Cetyl Phosphate
Titanium Dioxide
Acrylates Copolymer
Alumina
Aluminum Hydroxide
Aluminum Stearate
Ascorbic Acid
Ascorbyl Palmitate
BHT
Bisabolol
Calcium Sodium Phosphosilicate
Caprylyl Glycol
Citric Acid
Dimethylmethoxy Chromanol
Disodium EDTA
Gluconolactone
Gossypium Hirsutum Extract
Hippophae Rhamnoides Oil
Jasminum Officinale Flower Extract
Linoleic Acid
Linolenic Acid
Mauritia Flexuosa Fruit Oil
Mica
Panthenol
Pantolactone
PEG-8
Propylene Glycol
Ruby Powder
Sodium Hydroxide
Stearic Acid
Sucrose
Tapioca Starch
Xanthophylls
Chlorphenesin
Phenoxyethanol
Sodium Benzoate
Parfum
CI 77891
Water, Dicaprylyl Carbonate, Octocrylene, Glycerin, Tribehenin PEG-20 Esters, Butyl Methoxydibenzoylmethane, C12-15 Alkyl Benzoate, Alcohol, Ethylhexyl Methoxycinnamate, Methylene Bis-Benzotriazolyl Tetramethylbutylphenol, Diethylhexyl Butamido Triazone, Methyl Methacrylate Crosspolymer, Nylon-12, Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine, Potassium Cetyl Phosphate, Titanium Dioxide, 1,2-Hexanediol, Acrylates Copolymer, Alumina, Aluminum Hydroxide, Aluminum Stearate, Ascorbic Acid, Ascorbyl Palmitate, BHT, Bisabolol, Calcium Sodium Phosphosilicate, Caprylyl Glycol, Citric Acid, Decyl Glucoside, Dimethylmethoxy Chromanol, Disodium EDTA, Gluconolactone, Gossypium Hirsutum Extract, Hippophae Rhamnoides Oil, Jasminum Officinale Flower Extract, Linoleic Acid, Linolenic Acid, Mauritia Flexuosa Fruit Oil, Mica, Panthenol, Pantolactone, PEG-8, Pentylene Glycol, Propylene Glycol, Ruby Powder, Sodium Hydroxide, Stearic Acid, Sucrose, Tapioca Starch, Tocopherol, Xanthan Gum, Xanthophylls, Chlorphenesin, Phenoxyethanol, Sodium Benzoate, Parfum, CI 77891
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.
1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse.
It is a:
Humectant, drawing moisture into the skin
Emollient, helping to soften skin
Solvent, dispersing and stabilizing formulas
Preservative booster, enhancing the antimicrobial activity of other preservatives
Decyl Glucoside is a plant-derived surfactant and emulsion stabilizer. It is created by reacting glucose with the fatty acids from plants.
Like all surfactants, it works by lowering the surface tension between water and oil. This makes it so that dirt, sebum, and makeup can be lifted off your skin and rinsed away. It also produces a dense and creamy foam.
Because it has a neutral charge, it is compatible with a wide range of ingredients and stays stable across a broad pH range/water hardiness conditions.
Patch testing has shown it to have the lowest irritation potential among common cleansing surfactants (like SLS).
Typical use levels range from 5-20% in rinse-off cleansers.
One thing worth knowing: The American Contact Dermatitis Society named the parent family, alkyl glucosides, "Allergen of the Year" in 2017. The prevalence of allergy is pretty low but be sure to patch test if you've reacted to "gentle" or sulfate-free cleansers before.
This ingredient is fungal acne safe because the fatty alcohol portion of this ingredient is not within the C11-24 chain length that Malassezia can metabolize.
Diethylhexyl Butamido Triazone (aka Iscotrizinol) is an oil-soluble organic UV filter that mainly absorbs UVB and a bit of UVA II light.
This ingredient is great at preventing sunburn but doesn't cover the deep UVA I range. This is why it's often paired with a UVA filter like Avobenzone or Bemotrizinol.
Two of its biggest selling points are efficiency and stability:
Most of the other chemical filters are considered "photostable" if they can last for two hours.
Because this ingredient is oil-loving, it can sit neatly into the oil phase of emulsions and shines in water-repellent/water-resistant formulations.
The EU and Canada allow it to be used up to 10% and Japan allows it up to 5%.
Unfortunately, it's not yet an FDA approved sunscreen agent so you won't be able to find it in sunscreens in the US.
Safety-wise, it has a pretty solid record: the EU's Scientific Committee on Consumer Safety (SCCS) has reviewed it and found low skin absorption, no capacity to produce skin irritation or photo-irritation.
In vitro testing has found less than 0.1% of the applied dose is absorbed by the skin over 24 hours (mostly due to its large molecule size).
Fun fact: This ingredient even has anti-inflammatory properties similar to those of ketoprofe, an anti-inflammatory medication.
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%.
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!
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.
On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.
Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.