Tretinoin Gel USP Cream stimulates deep renovation of skin cells and helps to reduce a lot of minor skin defects such as dark spots, scars, acne, burns and wrinkles. It irritates the skin and causes the cells of the skin to grow and die more rapidly, thus increasing the skin appearance. While using this Tretinoin Gel USP Cream it is advised to avoid exposure to sunlight as it makes the skin sensitive to sunlight and cause sunburn.