As skin ages it gets thinner. We lose collagen in our skin. Collagen is the building block of skin. Our bodies do not produce vitamin C and we can not store vitamin C so it is essential that we apply vitamin C to our body topically to give your skin the best benefit. Vitamin C applied to the skin also protects your skin from the sun and from free radicals in the environment. Did you know that sun exposure actually suppresses the immune system? Applying vitamin C to the skin can protect your body from this. The effects of applying the vitamin C to the skin can protect your skin for up to 3 days. Its important to look for products with vitamin C to give collagen a boost. Selecting a product that has ingredients high in vitamin C such as kakadu plum, camu camu, pomegranate and acerola cherry.