Pretty Woman Collagen + Vitamin E Skin Nourishing Serum Egg Yolk is a special formula formulated to fight blemishes, ageing, spot, prevent the development of wrinkles, boosts collagen, tightening, fadeout sun spot, brightens, and shrink pores on the skin. Our amazing serum is made with advance skin whitening solution with the aim of giving back life to your skin, with its whitening and moisturizing ingredients such as arbutin to effectively fade melanin and deeply moisturize your skin, leaving it flawless.