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Ingredient index

This index lists 39 ingredients that appear in our articles, A to Z. 0 link to an article that sums up the evidence for that ingredient; the rest link to articles that mention it. To check a whole ingredient list at once, use the ingredient list decoder.

A

  • Adapalene

    Korean label names 아다팔렌

    This is a medicine ingredient. You will see it on drug labels, not on cosmetic ingredient lists.

  • Alcohol (ethanol)

    Alcohol, Alcohol Denat., Ethanol

    Ethanol, listed on labels as alcohol or alcohol denat.

    Korean label names 에탄올, 알코올, 변성알코올, 알코올데낫

    Not the same as fatty alcohols such as cetyl or stearyl alcohol.

  • Allantoin

    A skin-conditioning ingredient common in soothing formulas.

    Korean label names 알란토인

  • Aloe vera

    Aloe Barbadensis Leaf Extract, Aloe Barbadensis Leaf Juice

    Leaf extract or juice from the aloe plant.

    Korean label names 알로에, 알로에베라잎추출물, 알로에바바덴시스잎추출물, 알로에바바덴시스잎즙, 알로에베라

  • Asiaticoside

    A compound found in centella asiatica.

    Korean label names 아시아티코사이드

  • Azelaic acid

    Potassium Azeloyl Diglycinate

    A dicarboxylic acid. Prescription products use it at higher strengths; cosmetics often list a derivative such as potassium azeloyl diglycinate.

    Korean label names 아젤라산, 아젤라익애씨드, 포타슘아젤로일다이글리시네이트

B

  • Benzoyl peroxide

    Korean label names 벤조일퍼옥사이드, 과산화벤조일

    This is a medicine ingredient. You will see it on drug labels, not on cosmetic ingredient lists.

C

  • Centella asiatica extract

    Centella Asiatica Leaf Water, Centella Asiatica

    An extract of the centella (gotu kola) plant, often labeled "cica" in Korean skincare.

    Korean label names 병풀추출물, 병풀, 병풀잎수, 센텔라아시아티카, 시카

  • Ceramides

    Ceramide NP, Ceramide AP, Ceramide EOP

    Lipids found naturally in the outer layer of skin and added to many moisturizers.

    Korean label names 세라마이드, 세라마이드엔피, 세라마이드에이피, 세라마이드이오피, 세라마이드엔에스

  • Chemical UV filters

    Ethylhexyl Methoxycinnamate, Butyl Methoxydibenzoylmethane, Avobenzone

    Organic (chemical) sunscreen filters such as avobenzone, octocrylene and homosalate.

    Korean label names 유기 자외선 차단 성분, 에칠헥실메톡시신나메이트, 에틸헥실메톡시신나메이트, 부틸메톡시다이벤조일메탄, 아보벤존, 옥토크릴렌, 호모살레이트, 에칠헥실살리실레이트, 비스-에칠헥실옥시페놀메톡시페닐트리아진, 에칠헥실트리아존, 다이에칠아미노하이드록시벤조일헥실벤조에이트, 드로메트리졸트라이실록산

  • Cholesterol

    A skin lipid used in some moisturizers alongside ceramides.

    Korean label names 콜레스테롤

  • Clindamycin

    Korean label names 클린다마이신

    This is a medicine ingredient. You will see it on drug labels, not on cosmetic ingredient lists.

F

  • Fragrance

    Parfum, Perfume

    Listed as fragrance or parfum. One name can cover many scent ingredients.

    Korean label names 향료, 향

G

  • Gluconolactone (PHA)

    Gluconolactone, Lactobionic Acid

    A polyhydroxy acid (PHA), grouped here with lactobionic acid.

    Korean label names 글루코노락톤, 락토바이오닉애씨드

  • Glycerin

    A humectant found in most skincare products.

    Korean label names 글리세린

  • Glycolic acid

    An alpha hydroxy acid (AHA).

    Korean label names 글리콜산, 글라이콜릭애씨드, 글리콜릭애씨드

H

  • Hyaluronic acid

    Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Sodium Acetylated Hyaluronate

    A humectant that holds water, often listed as sodium hyaluronate.

    Korean label names 히알루론산, 소듐하이알루로네이트, 하이알루로닉애씨드, 하이드롤라이즈드하이알루로닉애씨드, 히알루론산나트륨

L

  • Lactic acid

    An alpha hydroxy acid (AHA).

    Korean label names 젖산, 락틱애씨드

M

  • Madecassoside

    A compound found in centella asiatica.

    Korean label names 마데카소사이드

  • Menthol

    A cooling ingredient that can sting sensitive skin.

    Korean label names 멘톨

N

  • Niacinamide

    A form of vitamin B3 used in many serums, toners and moisturizers.

    Korean label names 나이아신아마이드, 니아신아마이드, 나이아신아미드, 비타민B3

P

  • Panthenol

    Dexpanthenol

    Provitamin B5, a common humectant in creams and toners.

    Korean label names 판테놀, 덱스판테놀, D-판테놀, 프로비타민B5

  • PDRN

    Sodium DNA, Polydeoxyribonucleotide

    Polydeoxyribonucleotide, DNA fragments usually listed as sodium DNA.

    Korean label names 소듐디엔에이, 폴리데옥시리보뉴클레오타이드

  • Petrolatum

    Petroleum jelly, an occlusive that seals in moisture.

    Korean label names 페트롤라툼, 바셀린

  • Propolis extract

    A resin-like material collected by bees.

    Korean label names 프로폴리스, 프로폴리스추출물

R

  • Retinal (retinaldehyde)

    Retinal, Retinaldehyde

    A form of vitamin A closely related to retinol.

    Korean label names 레티날, 레티날데하이드

  • Retinol

    A form of vitamin A used in cosmetics.

    Korean label names 레티놀

  • Retinyl palmitate

    A vitamin A ester used in cosmetics.

    Korean label names 레티닐팔미테이트

S

  • Salicylic acid

    Betaine Salicylate

    A beta hydroxy acid (BHA) that mixes with oil. In the US it is also an OTC acne drug ingredient at 0.5–2%.

    Korean label names 살리실산, 살리실릭애씨드, 살리실릭애시드, 베타인살리실레이트

  • Sodium lauryl sulfate (SLS)

    Sodium Lauryl Sulfate

    A strong cleansing agent (surfactant).

    Korean label names 소듐라우릴설페이트

  • Squalane

    A lightweight emollient oil.

    Korean label names 스쿠알란

T

  • Tea tree oil

    Melaleuca Alternifolia (Tea Tree) Leaf Oil, Melaleuca Alternifolia Leaf Oil

    An essential oil from the leaves of Melaleuca alternifolia.

    Korean label names 티트리오일, 티트리잎오일, 티트리, 멜라루카알터니폴리아잎오일

  • Titanium dioxide

    A mineral UV filter.

    Korean label names 티타늄디옥사이드, 이산화티타늄

  • Tocopherol (vitamin E)

    Tocopherol, Tocopheryl Acetate

    Vitamin E, often added as an antioxidant that protects the formula itself.

    Korean label names 토코페롤, 토코페릴아세테이트, 비타민E, 비타민 E

  • Tranexamic acid

    An amino acid derivative that also appears in medicines.

    Korean label names 트라넥삼산, 트라넥사믹애씨드

  • Tretinoin

    Korean label names 트레티노인

    This is a medicine ingredient. You will see it on drug labels, not on cosmetic ingredient lists.

U

  • Urea

    A humectant that is also part of the skin’s natural moisturizing factor.

    Korean label names 우레아, 요소

V

  • Vitamin C

    Ascorbic Acid, Ethyl Ascorbic Acid, 3-O-Ethyl Ascorbic Acid

    Ascorbic acid and its derivatives, which appear under many different INCI names.

    Korean label names 비타민C, 아스코빅애씨드, 아스코르빅애씨드, 에틸아스코빅애씨드, 아스코빌글루코사이드, 소듐아스코빌포스페이트, 마그네슘아스코빌포스페이트, 아스코빌테트라이소팔미테이트, 비타민 C

Z

  • Zinc oxide

    A mineral UV filter.

    Korean label names 징크옥사이드, 산화아연

This index only points you to articles. It does not judge whether an ingredient works or is safe; the strength of evidence follows each article’s evidence grade. Grading criteria