Our knee whitening cream contains lactic acid, retinol. It moisturizes for a long time, locks in moisture, and leaves skin hydrated and elastic. The way to apply it is simple: clean the skin on and around your knees, keep it dry, squeeze out the right amount of cream and apply it evenly to your knees. Massage gently in circular motions to promote absorption. And can repair by deep nourishment, a damaged skin, glow natural glow.