Protecting your child from the sun is a necessity. Like every summer, solar product rays make room for the latest news. Chemical filter or mineral screen? Cream texture or oil? Protection index 30 or 50? Our advice for choosing your sunscreen as a savvy mom.
- Presentations and appellations change from one year to another, the composition of a sunscreen, it remains quite invariable: chemical filters or mineral screens (or a mixture of both) are incorporated into a base which may be an oil or an emulsion. Added preservatives, stabilizers, anti-free radicals and moisturizers. Often, chemical filters are mixed with mineral screens, for greater ease of application. Suspicion: in this case, some manufacturers indicate "mineral screen" on their packaging, which is only half the reality!
- After understanding the advantages and disadvantages of different types of sun protection, learn to read the labels ... An informed consumer is worth two.
Protections based on chemical filters
- Currently in Europe, about twenty ultraviolet filters are used. The first to have been marketed since the development of sunscreens in the 1950s are chemical filters. Their mode of action: they penetrate inside the epidermis and absorb UV.
- Easy to apply and spread (no white mask effect), effective in terms of protection (they filter a wide spectrum of UVA and UVB), they are stable photo (they stay on the skin).
- They can cause allergic reactions, especially in young children and people with very sensitive skin.
- They pollute the environment (they end up in river water and sea water).
- They are suspected to be endocrine disruptors, that is to say to be at the origin of cases of sterility. In July 2011, as part of the National Fertility Action Plan, Afssaps warned of benzophenone-3, also known as oxybenzone. This molecule should not be used in children under 10 years. In adults, its concentration in cosmetics should not exceed 6%.
- "This opinion does not radically change the deal because the adverse effects of benzophenones, including allergies, have been known for decades, which explains why they are little used in sunscreens and are no longer found already for a long time in children's sun creams, "says Professor Laurence Coiffard, head of the Laboratory of Industrial Pharmacy and Cosmetology at the University of Nantes.
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