In terms of usage, Claire Chang, M.D., a board-certified cosmetic dermatologist at Union Square Laser Dermatology, claims you can use it twice a day after cleansing (via Byrdie). “It should be used in the areas of pigment where one is trying to lighten the skin or prevent darkening,” board-certified dermatologist Jeremy Fenton, M.D., of Schweiger Dermatology Group in New York told mindbodygreen.
Better still, it’s suitable for all skin types. “It has a good safety profile as there are no known negative interactions with other skincare ingredients,” board-certified dermatologist Keira Barr, M.D., revealed to mindbodygreen. “It’s also known to be less irritating and more gentle on the skin than other skin-lightening agents, so it can be a good choice for those with sensitive skin.”
However, like most skincare products, there’s no predicting how your skin will react. “Arbutin may cause skin irritation,” warned Dr. Zeichner. “If you develop any redness, burning or stinging, hold off and use it every other day.”