Sunscreens help to filter out ultraviolet (UV) radiation. Ultraviolet radiation (UVR) may cause age spots, dark spots, wrinkles, sagging as well as cancer. The Sun Protection Factor (SPF) is a measure of how much radiation a sunscreen blocks. Broad spectrum sunscreens protect from both UVA and UVB. Sunscreen is the most important skin care product that should be used every day, even in winter to prevent signs of premature ageing.
There are 5 main factors that cause hyper-pigmentation or brown spots, age spots, dark spots.1-Sun The sun is the major cause of hyper-pigmentation or dark spots. UV directly stimulates the protection of melanin. Melanin is your body’s way of protecting itself from UV. Excess sun exposure causes age spots or brown spots.