The reason why skin becomes white by using GLUTATHIONE TABLETS is that it reverses the dark melanin pigments turning to a light pigment and reduces melanocytes which produce melanin. Less the melanin, whiter the skin. The whitening process starts inside the skin going outside, that's the reason why it takes time to be able to see an initial change in your skin tone. The whitening process goes head to foot meaning that you will have a white even skin tone in your whole body.