Skin naturally begins to age in our mid-20s, when our collagen and elastin production begins to slow, and our skin cells do not regenerate as quickly. That is when we start to develop fine wrinkles, thinner and more transparent skin, loss of underlying fat, bone loss, sagging and dry itchy skin, graying hair and/or hair loss, and brittle nails.
Premature aging can be caused by external factors, which can accelerate the natural aging process. Some of these external factors include: