Treat pigmentation & age spots: Kojic Acid

– discovered recently in 1989
– successfully used in Japan
– derived from a fungus (mushroom)
– has a similar effect as hydroquinone
– unstable and can oxidize quickly when exposed to air
> alternative kojic dipalmitate is used because it is more stable
– studies have shown that it is effective as a lightening agent
– can be used on sun freckles
– can also be used to treat melasma

Purported skin care benefits when applied topically:
– inhibiting production of melanin or brown pigment
– treatment of pigmentation and age spots
– prevention of severe photoaging (apply before sunlight exposure)

Known side effects:
– reported to very irritating to the skin
– cause sun sensitivity (must use a sunscreen)
– can potentially result in potential contact dermatitis and erythema

Products containing this ingredient:
– blended with other skin whitening and exfoliating products:
> Philosophy A Pigment Of Your Imagination
> Peter Thomas Roth Power K Skin Brightener 
> Lancome Blanc Expert XWII Extra Whitening Spot Corrector
> SkinCeuticals Phyto +


  1. Karen says:

    I am currently using Kojic Acid soap, it promised that it will lighten the skin as well as scars. have been using it for more than a month, but can see any result >.<

  2. sesame says:

    Hmm…I guess it’s one of those products that doesn’t work well for everyone. That or the ingredients may not be penetrating too well.

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