Amlactin lotion with 12% lactic acid can help improve skin thickness on the backs of the hands and forearms. Lactic acid also helps soften and exfoliate rough skin texture. This lactic acid lotion works well for keratosis pilaris on the body. Make sure to wear sunscreen when using, as this product may make you more sensitive to the sun. LTKunder50 LTKbeauty LTKFind