Stimulate collagen production for a more youthful appearance! What is Collagen? Collagen is one of the most plentiful proteins in our body. It is responsible for several biological functions, one of which is to provide structural support in connective tissue, muscle, and skin. Skincare expert Caroline Hirons explains it beautifully, she explains "The Dermis, the thicker layer of skin that contains the blood vessels and nerves and gives you your sense of touch. The connectiv