What we know about light and light protection
UV rays are divided into three main parts: UV-C 100-280 nm, UV-B 280-320 nm, and UV-A 320-400 nm, the latter also being further divided into two sub-parts UV-A1...
Moreover, natural cream in a jar?
Most of the anti-ageing ingredients such as peptides, antioxidants, vitamins are highly unstable, sensitive to light and heat, and even to oxygen in the air.