Our Acanthosis Nigricans Therapy Lotion contains Retinol, Lactic Acid, Urea. It can help fade dark spots and acanthosis nigricans, restore bright and even skin tone, enhance self-confidence, deeply moisturize skin, provide long-term moisture, improve dry and rough skin problems, repair damaged skin, relieve skin discomfort, and restore skin health. Its application method is very simple: clean and dry the skin, apply appropriate amount of this product evenly on the desired skin area, massage gently with your fingertips, and let the skin fully absorb it. Reduces dark spots and acanthes, leaving skin with a bright, even complexion.