This Islands Earth all natural formula is designed to support lightening of dark Knuckles. Supports removal of dead skin cells on Knuckles. Supports Knuckles skin renewal. Supports Knuckles skin exfoliation. Supports return of original Knuckles skin color. Comes in a 5 oz bottle powder concentrate just add water and it's ready to use. Ingredients: grape seed, msm, hawthorn, glucosamine, licorice. An Islands Earth Original Product.