2.Kojic Acid

If you ever get curious about the active ingredients in skin lightening creams, you will find that Kojic acid is commonly used as a skin whitening or depigmentating agent. which comes from mushrooms or fermented rice is commonly used in skin lighteners. it can be found in a number of different types of cosmetic products, including powders, serums, creams, cleansers, and soaps.

This one should only be used at nightime on areas of particular concern. It may be used to treat skin conditions, such as sun damage, scars, and age spots. The science behind how kojic acid works as a lightening agent involves its effect on melanin production.

kojic acid is safe to use in cosmetics in concentrations of 1 percent.The most common side effect of kojic acid. It can manifest itself as redness, irritation, itchiness, rashes, swollen skin, or pain and discomfort. Those with sensitive skin should opt for small doses to avoid irritation, it can also take several months to see any results.