Our neck collagen whitening cream contains collagen and purslane extract. It can tighten and tighten loose skin, reduce wrinkles, and decrease melanin deposition. Its usage is simple: clean the skin and dry it. Apply proper amount of face cream evenly on the face and neck. Gently massage until absorbed. And it can promote collagen production, remove excess fat in the neck, improve facial contours and skin tone, increase collagen, and reduce melanin production.