There is no need to recall the harmful effects of prolonged exposure to the sun and the need to wear sun protection. Both UVA and UVB have the ability to pass through the epidermis. UVA rays are filtered very little by the atmosphere and represent 95% of the UV rays arriving at the surface. Sunscreen is essential but not sufficient. The total screen does not exist! regardless of the protection index. However, protected skin limits the action of the rays responsible for aging (UVA), reduces the formation of wrinkles and the appearance of pigment spots caused by prolonged exposure to ultraviolet rays. Experts strongly advise not to expose yourself to the time of day when the sun is strongest, that is to say between 11 a.m. and 4 p.m.; Prefer organic creams without endocrine disruptors and other carcinogenic substances or nano particles...