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What is Kojic Acid?

Role not confirmed

We haven't written up what this ingredient does yet. The products below feature it as a key ingredient.

Anything to watch out for?

Some products' ingredient lists mark this ingredient as below. If a mark's reason fits your skin, it is the ingredient to weigh in those products.

Pregnancy skincare guidance lists this ingredient as one to be careful with.
Marked this way on one product.

Each mark comes from matching the product's full ingredient list against lists for fragrance, labeled fragrance allergens, drying alcohols, essential oils, fungal acne, pore clogging, and pregnancy caution.

Which products feature it?

8 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.

Showing 1 to 8.

  • Key: Kojic Acid (#13 on the ingredient list), Bifida Ferment Lysate, Galactomyces Ferment Filtrate

    3 claims checked

    claims, checked

    • 1) After cleansing, avoiding the eye area, wipe along the skin texture from the inside to the outside.backed by evidence
    • 2) After use, close the lid tightly and store to keep the pads from drying out.backed by evidence
    • 3) If intensive care is needed, avoid the eye area, adhere well to the skin, and apply as a pack for about 3 minutes.plausible, not tested
  • Key: Kojic Acid (#17 on the ingredient list), Hippophae Rhamnoides Water, Caffeine

    4 claims, summarized
    Don't count on:
    a brighter skin tone
    See each claim

    claims, checked

    • Caffeine Shotbacked by evidence
    • Pigmentationplausible, not tested
    • Vitamin Coverstated
    • Dull complexion·pigmentation, one-time care!overstated
  • It's made for a brighter skin tone.

    Key: Kojic Acid (#18 on the ingredient list), Tranexamic Acid 10%, Sodium DNA 0.1%

    3 claims, summarized
    Only partly backed:
    a brighter skin tone
    See each claim

    claims, checked

    • Tranexamic Acid (10%)backed by evidence
    • Derma Answer Brightening Booster TXA-PDRN Ampoulepartly backed
    • A brightening care ampoule that adds tranexamic acid 10% and two types of PDRN to high-purity glutathione. Blending effective ingredients carefully selected with CNP's know-how, it brightens skin tone and cares for marks such as melasma, blemishes, and other traces.partly backed
  • Key: Kojic Acid (#28 on the ingredient list), Niacinamide, Glutathione

    5 claims checked

    claims, checked

    • Glutathione 7backed by evidence
    • When used for 7 days, they say skin surface hyperpigmentation improves by as much as 21.95%!plausible, not tested
    • Formulated with 7 or more efficacy ingredients at a high content of 12%.partly backed
    • High review rating (4.87/5) centered on trial customers.overstated
    • Designed to aid absorption by making glutathione into a nano size that is 4.3 times smaller than ordinary nanosomes and approximately 6,000 times smaller than pores, using our own exclusive process.no supporting source found
  • Dong-A Pharmaceutical

    Pigmentation Pro Liquid

    Key: Kojic Acid (#34 on the ingredient list), Tranexamic Acid, Niacinamide

    2 claims checked

    claims, checked

    • Turnover cycle improvementplausible, not tested
    • Pigmentation proplausible, not tested
  • Product photo of Pigmentation Pro Cream

    Dong-A Pharmaceutical

    Pigmentation Pro Cream

    Key: Kojic Acid (#35 on the ingredient list), Niacinamide, Tranexamic Acid

    1 claim checked

    claims, checked

    • Pigmentation Proplausible, not tested