43 of the 2320 products we've checked feature this as a key ingredient. Products that disclose a concentration or list it near the top of the ingredient list come first.
Back to 3-O-Ethyl Ascorbic Acid
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It's registered in Korea as a functional cosmetic for brightening and wrinkle improvement.
Key 3-O-Ethyl Ascorbic Acid (#37 on the ingredient list), Retinal, Black Ginseng Extract
Claims, checked
Whitening, wrinkle improvement 2-in-1 functional cosmeticbacked by evidence[texture/tone/elasticity]partly backed
Sulwhasoo
Key 3-O-Ethyl Ascorbic Acid (#37 on the ingredient list), Panax Ginseng Root Extract, Niacinamide
Claims, checked
Exfoliation / Skin Texture / Skin Tone / Glowbacked by evidenceA mask that gently exfoliates with fine white ginseng granules and a warm formula like a steam massage refines skin texture, leaving skin clear, smooth, and glowing.partly backedCheck out the detailed features and benefits of the White Ginseng Pack product. A mask that gently exfoliates with fine white ginseng granules and a warm formula like a steam massage refines skin texture, leaving skin clear, smooth, and glowing.partly backed#DeadSkinRefinement #WarmFormulapartly backedIt's made for a brighter skin tone and better hydration.
Key 3-O-Ethyl Ascorbic Acid (#37 on the ingredient list), Citrus Junos Fruit Water, Citrus Junos Peel Oil
Claims, checked
Human application test results: [Subjects] 30 adult men and women aged 20-39 with insufficient sleep (habitually sleeping less than 6 hours), [Period] 2022.05.02 ~ 2022.06.10, [Test institution] P&K Skin Clinical Research Center Co., Ltd.backed by evidenceTone·Texture·Glow! A sleep pack with 6 whole yuzus that uses the brightening effect of vitamin P from yuzu to help recover skin fatigue and leave you with the radiant morning skin that comes from a good night's sleep.partly backedSleep pack with plenty of whole yuzu* 6 pieces** / *Whole yuzu: uses yuzu peel, yuzu flesh, and yuzu seeds all as raw materials, **Based on yuzu peel oil content: yuzu peel oil 1kg = 22,500 yuzu fruitspartly backedStep.01 Skin tone / Compared to before use, surface melanin decreased by 22% after 4 weeks of use / Step.02 Skin texture / Compared to before use, keratin amount decreased by 55% immediately after use / Step.03 Skin glow / Moisture immediately after use: +404% increase compared to before use immediately after use, moisture after 8 hours: +56% increase compared to before use after 8 hours of usepartly backedMoisture +526%, 8-hour moisture persistence +93.2%, gloss +2.6% / when used in combination with Hanyul creampartly backedLow-irritation test completed emblem, 10FREE emblem, wrinkle improvement and whitening functional emblem / Sensitive skin panel test completed emblem / Dermatology test completed emblem, allergy test completed, acne-prone skin suitability test completedpartly backedThe vitamin C ingredient contained in the Moonlight Yuja Sleep Pack is a stabilized vitamin derivative, so 'it is safe to use without sunscreen'.overstatedOctober ~ November, Goheung, Jeollanam-do, 100% domestically grown Goheung yuzu / 100% domestically grown, Goheung yuzu packed with 25 times more vitamin C than apples!overstatedVegan-certified 10 Free with unnecessary ingredients excludedno supporting source foundBeauty Awards proven product power, 31 award wins* sleep pack *31 award wins: 5 in 18, 13 in 19, 6 in 20, 4 in 21, 3 in 22 | includes pre-renewal productsno supporting source foundSkin fatigue relief & vitality charging effect felt the next day after use │ Research agency: Icon Co., Ltd. │ Subjects: 30 Korean women aged 25-39 │ Period: 2018.05.19~05.26no supporting source foundDermaline
Key 3-O-Ethyl Ascorbic Acid (#38 on the ingredient list), Sodium DNA, Niacinamide
Claims, checked
Salmonno supporting source found
BANILA CO
Key 3-O-Ethyl Ascorbic Acid (#38 on the ingredient list), Niacinamide, Adenosine
Claims, checked
Essence Skin Hydrating Dew Sunscreen, Moisture sunscreen, Sunscreen that makeup adheres well, Makeup base sunscreen, Low-irritation sunscreen, Moisturizing sunscreen, Skin-adherent sunscreen, Vanilla.com official mall sunscreenplausible, not testedEssence Skin Hydrating Dew Sunscreen 50ml — A low-irritation sunscreen that helps makeup adhere with its moist hydration. Meet the new sign-up coupon pack and APP-exclusive benefits at the Vanilla.com official mall.partly backedKey 3-O-Ethyl Ascorbic Acid (#38 on the ingredient list), Niacinamide, Tranexamic Acid
Claims, checked
Take an appropriate amount and spread evenly over the skin to absorb.backed by evidenceCountry of manufacture: Republic of Korea / Cosmetic manufacturer / responsible seller: Cosmax Co., Ltd. / The Founders Co., Ltd.backed by evidenceExpiration date (or period after opening): 30 months / 12 months after openingbacked by evidenceWhitening functional cosmetic (whether passed the Ministry of Food and Drug Safety review)partly backedDark spot correctingpartly backedNiacinamide 10 TXA 4no supporting source foundEssence / unisex / skin type: all skin / moisture supply / skin soothingno supporting source foundKey 3-O-Ethyl Ascorbic Acid (#41 on the ingredient list), Salicylic Acid, Capryloyl Salicylic Acid
LANEIGE
It's made for a brighter skin tone and better hydration.
Key 3-O-Ethyl Ascorbic Acid (#41 on the ingredient list), Zinc Oxide, Niacinamide 2%
Claims, checked
Niacinamide 2% brighteningbacked by evidence12-FREE animal-derived ingredients, mineral oil, tar color, polyacrylamide, imidazolidinyl urea, triethanolamine, talc, benzalkonium chloride, benzethonium chloride, iodopropynyl butylcarbamate, gluten, PTFEbacked by evidenceSPF 50+ PA+++partly backedSkin tone evenness +20.8%partly backedRedness -35.3%partly backed24-hour tone-up lasting power human application test completedpartly backedImmediately after use, moisture content increase +63.8%partly backedSensitive skin primary irritation test completedpartly backedTriple Cica Complex soothingpartly backedYellowness -24.7%overstatedImmediately after use, sebum amount decrease -34.7%overstatedContains 90% skincare ingredients, comfortable like a serumno supporting source foundFeels like dull skin tone brightensno supporting source foundHouttuynia cordata tincture controls sebum secretionno supporting source foundKey 3-O-Ethyl Ascorbic Acid (#42 on the ingredient list), Niacinamide, Citrus Tangerina (Tangerine) Extract 1.4%
Key 3-O-Ethyl Ascorbic Acid (#43 on the ingredient list), Niacinamide, Terminalia Ferdinandiana Fruit Extract
Claims, checked
A daily brightening cream that helps improve dark spots and blemishes after 7 days of use, containing 5% niacinamide and Kakadu plum to create a clear and even skin tone Helps improve dark spots and blemishes in just 7 days. Formulated with 5% niacinamide and Kakadu plum for a brighter, even skin tone.overstatedDark spot improvement effect in just 7 days after use.no supporting source foundSkin low-irritation test completed.no supporting source foundKey 3-O-Ethyl Ascorbic Acid (#43 on the ingredient list), Retinal, Lactobacillus/Soybean Ferment Extract
Claims, checked
[Retinal/Wrinkles & Spots] K-Secret Seoul 1988 Retinal Fermented Soybean Eye Cream 30mlpartly backed
Cell Fusion C
It's registered in Korea as a functional cosmetic for brightening, wrinkle improvement, and UV protection.
Key 3-O-Ethyl Ascorbic Acid (#44 on the ingredient list), Niacinamide, Adenosine
Claims, checked
Whitening·wrinkle improvement·UV protection triple functional cosmetic / Passed functional cosmetics review (or reporting) under the Cosmetics Actbacked by evidenceCell Fusion C | Blemish Toning Sunscreen 50ml. A blemish eraser sunscreen that brightens dull skin tone, covers dark spots and blemishes. Complete confident skin from any angle with 24-hour tone-up effect and smooth texture glow.partly backed👍Tone UP, dark spots and blemishes DOWN blemish eraser👍Dark and rough skin 24-hour tone-up maintenance👍From any angle smooth skin texture glowoverstated