Medically reviewed by Susan Bard, MD Kojic acid is an organic acid naturally derived from specific types of fungi. It is used in various cosmetic products, including soaps, powders, serums, and creams ...

But kojic acid doesn’t block pre-existing melanin: “Kojic acid doesn’t bleach skin or cause over-lightening of areas,” says board-certified dermatologist Reshmi Kapoor, MD.

Using kojic acid effectively requires an understanding of best practices and concentration levels. Concentrations typically range from 0.4% to 4%, and dermatological recommendations emphasize the ...

You may have heard of one buzzy skincare ingredient that supposedly does just that: Kojic acid ... this soap for several weeks and have noticed lightening of some dark spots on my skin ...

Kojic acid also brightens dark spots caused by pregnancy hormones and post-inflammatory hyperpigmentation (PIH) from acne. Learn Even More About Kojic Acid From Dermatologists. ... lightening, and ...

Like kojic acid, it blocks melanin production, but it comes with a few potential risks: Namely, long-term use (as in more than six months) could lead to over-lightening your natural skin color ...

Read more about our Product Review Guidelines here. Kojic acid, a gentle and lightweight skin-care ingredient, is a potent antioxidant derived from fermented mushrooms. Like its sister ingredients ...

Kojic acid is a popular ingredient known for its skin-lightening properties, making it a sought-after solution for hyperpigmentation, dark spots, and uneven skin tone.