Human skin color the liver. On lighter to medium skin tones, solar lentigenes emerge as small- to medium-sized brown patches of freckling that can grow and accumulate over time on areas of the body that receive the most unprotected sun exposure, such as the back of the hands, forearms, chest, and face. For those with darker skin colors, these discolorations can appear as patches or areas of ashen-gray skin. Melanin in the skin protects the body by absorbing solar radiation. In general, the more melanin there is in the skin the more solar radiation can be absorbed. Excessive solar radiation causes direct and
Baumann Skin Types form of post-inflammatory hyperpigmentation (PIH). Most pigment changes can be prevented and corrected through the use of proper skincare ingredients. Age, ethnicity and lifestyle habits influence whether skin is wrinkle-prone or tight. There is still a genetic component to this parameter, but external factors that contribute to an aged appearance are controllable. Sun exposure is the primary cause of skin aging, destroying skin proteins like collagen and elastin. Each parameter is associated with particular skin conditions and challenges, and the specific combinations also experience particular tendencies. For example, DRPW types often have a history of sun exposure manifested by wrinkles