This is the case of the use of sunscreens. These contain filtering materials of UVB radiation that allow only the radiation necessary for the formation of self-defense through pigmentation to pass. The use of a protector or another will depend on the sensitivity of each person and the external circumstances.
Among which are the intensity of the radiation nulante, its angle of incidence and the duration of the exposure. In addition, the prevention of pathological reactions of light will require the inclusion of UVA filters and physical blockers.
No comments:
Post a Comment