美白肌肤，有两种方法。一种是物理的，即用掩盖的方法，立时有效，但洗掉，就荡然无存了。还有一种方法，把生物或化学物质渗入皮下，抑制黑色素的形成，逐步消除已形成的色素，从皮肤内部使皮肤美白。这种美白的方法是生化法！用水是洗不掉的；但许多皮肤已经变黑的女性不太 Whitening the skin, there are two ways. One is physical, that is to use masking method, effective immediately, but wash away, it is gone. There is also a way to biological or chemical substances penetrate the skin, inhibit the formation of melanin, and gradually eliminate the pigment has been formed, the skin from the skin whitening. This method of whitening is biochemical! Water can not be washed away; however, many women with darker skin are not