SPF and sun care for the face helps maintain elasticity and prevents hyperpigmentation of your skin. Exposure to the sun can cause skin cancer, breakdown of collagen and free radical damage to cells. Left without sun care, your delicate skin is unprotected. Sun care is therefore the easiest and most effective way to prevent the visible effects of aging. For SPF choose either a a physical sun block or a UV absorber. Best applied as the last skincare step to ensure it can fully shield your skin from harmful UVA and UVB rays.