Laroscorbine Palladium E UF PN Vitamin C Collagen is a booster for your collagen production to provide enough fibrous protein to help your skin in whitening treatment. With the breakdown of collagen occurring in the body after a certain age, collagen injection can replace your body’s original supply of collagen. The stimulation of collagen production helps your skin to achieve the desired skin tone by reducing the dark spot and scars and makes your skin texture smooth and healthy. However, during the collagen treatment, the skin retains its elasticity and makes the skin firm.