When your skin is exposed Venorex to too much UV radiation, your body will trigger the activity of melanocytes in the skin, which produce pigments called melanin. It's this pigment that actually absorbs UV radiation that passes through the skin in order to prevent it from causes any serious damage to your skin and overall health (like cause cancer).
But as these pigments are absorbing UV radiation, they become much darker in color, thus creating the appearance of a dark age spot.In order to lighten these dark pigmentation marks, a natural whitening treatment needs to inhibit the activity of these melanocytes so less melanin is available in the skin. An ingredient like nutgrass root extract works great at doing this while leaving enough melanin in the skin to provide a solid protection for the sun and it's UV radiation.
It's also good to look for a natural skin discoloration treatment that's packed with plenty of antioxidants to fight off damaging free radicals caused by oxidative stress. This will reduce the amount of damage that your skin experiences and further defend it from UV radiation.