Ingredientes para la formulación de protectores solares

Sunscreens

What are the effects of sunlight on skin? Visible sunlight covers the wavelengths from 400 to 780 nm, and is a small part of the entire spectrum of radiation emitted by the sun. So-called infrared radiation corresponds to wavelengths longer than 780 nm, while ultraviolet radiation is defined as having a wavelength shorter than 400…