Kojic Acid for the Body: What to Know

Kojic acid is a topical brightening ingredient that can reduce the formation of melanin, the pigment that gives skin its colour. It may be useful for marks left after spots, bites, shaving irritation, or minor inflammation. It will not correct every cause of darkening, and a thick, scaly, painful, or persistently itchy patch needs a diagnosis rather than repeated brightening treatments.

Body skin can be exposed to friction from clothing, sweat, hair removal, and frequent scrubbing. These triggers can keep pigment active, so the product alone may not solve the problem.

Follow the product directions and apply a thin layer to clean, fully dry, intact skin. Patch test first, then introduce it gradually if the area remains comfortable. Moisturise to support the skin barrier, avoid harsh scrubs, and protect exposed areas from sunlight. Do not apply it immediately after waxing or shaving.

Stop for persistent burning, redness, swelling, scaling, or a rash. A dermatologist can review the cause and discuss a Skin Brightening Treatment or another approach. Read more about Kojic Acid before combining products.

Book an assessment when discoloration appears without a clear trigger, changes quickly, affects one unusual spot, or comes with pain, bleeding, a lump, marked itch, or altered texture. Seek prompt advice after a reaction that causes blistering or significant swelling.

Ask what is causing the discoloration, whether kojic acid is suitable for that body site, and how long to trial it before changing course. Ask how to prevent friction or inflammation from returning and which ingredients should not be layered with it.