UV is the number one killer of whitening
Viewed 227 viewsAdvertising in sun protection products, we often hear anti-UVA rays, UVB rays, you know their exact meaning of it? In fact, this is contained in two types of ultraviolet light damage the skin-ray, because of their “personality” different, on the skin are not the same injury, but in any case, they are the number one killer of whitening.
UVA rays have every day, and its shorter wavelength, penetration is very strong, can reach the skin dermis. Hurt the performance of its relatively relaxed, first color red, but soon will turn from red to black. This is mainly due to UVA rays may cause serious damage to the dermal collagen fibers, so that dry skin, aging, loss of flexibility can cause serious permanent damage. In their daily lives the most vulnerable to UVA rays, so it called the “living ultraviolet.”
UVB rays penetrate the skin, the skin becomes rough, resulting in wrinkles, stains. The most lethal time is 10:00 am to 14:00. At the seaside, lawn, such as sun refractive index of a strong local, UVB rays are the strongest, so UVB is also called the “leisure ultraviolet.”
In fact, the skin itself with the sun’s natural defenses against the function and regulation mechanism. When the skin by ultraviolet infringed upon, the skin will secrete melanoma cells to protect skin, and the formation of protective film to resist ultraviolet attacks. In some cases, skin to skin cells but also ways to skin thickening, and then barrier against ultraviolet radiation and reflection, these are the skin’s defensive instinct. However, once the skin’s defensive function and the adjustment mechanism of the reduction or loss of role, will be on the skin caused by self-harm. For example, melanoma can not break down and left in the skin, so dark skin and produce sunburn spots and so on, horny thickening of skin cells to make, easy to make skin aging, and seriously affect the skin’s complexion and health.
Tags: basic skin care, natural skin care, proactive skin care, skin care beauty, skin care tips, sun protection tips
