Herbal Sunscreens and Photo Protection Compositions: A Patent Review

Solar ultraviolet type B radiations (UVB) is fundamentally liable to be absorbed by keratinocytes leading to production of free radicals or reactive oxygen species (ROS) which might cause skin erythema, sunburn, skin cancer and premature ageing. Herbal sunscreen guard skin from sun's radiations which reduces sunburns with reduced risk of skin harms. Antioxidants quench free radicals and ROS which might aid photo-protection effect. This review compiled previously patented herbal photo protection compositions and sunscreens.