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 ...

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 ...

The best kojic acid soaps can help reduce dark spots and hyperpigmentation for a bright, ... and I’m already seeing a bit of lightening. The soap doesn't have any fragrance, just a very light, ...

Monier Brightening Lemon Turmeric Kojic Acid Soap Bar ($15). Some soaps just don't lather well, no matter how much water or scrubbing you use, the foam never comes.

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.