ISDIN UV Care Photoultra Solar Allergy Fluid SPF100+ UVA/UVB 1% Ectoine 50ml Why use Fotoultra Solar Allergy? Because it offers the skin a shield effect which strengthens its natural protection mechanism and makes it resistant to the aggression of UV rays thanks to its ectoine content (1%) and UVA/UVB filters. - Relieves symptoms associated with sun allergy, such as itching and inflammation. - Prevents the onset of sun allergy symptoms thanks to its very high protection factor. - Protects from the effects of visible light thanks to its ectoine content. The higher the concentration of ectoine, the greater the protective effect on the skin. What is a sun allergy? It is a skin reaction caused by sunlight and usually manifests itself with intense itching, inflammation, pimples and blisters on areas of the skin exposed to the sun. It usually lasts between 7 and 10 days. Who is affected by a sun allergy? Sun allergy affects at least 10-20% of the population and most commonly affects people with fair skin. It can reappear every year.