There sunscreen it should be must whole year. V summer monthshowever, as the days get longer and Sun is at maximum intensity, it is forbidden to leave the house without drawing sufficient protection factor. what does it mean to choose screen which covers both physical and chemical filters. One does not exclude the other, although often, especially Onlinethere is information that gives rise to doubts and misunderstandings, forcing us to think that the first is preferable to the second.
“Physical filters AND chemists necessary to create good sunscreen: both must be present because, while physical filter reflects light, chemical filter absorbs that part of the radiation that is not sufficiently reflected. Therefore, for protection to be effective, they must work. in tandem. The most common physical filters. zinc oxide And titanium dioxide, while the most commonly used chemicals Polypodium leucotomy extractl’avobenzone Hello mexoril SX, XL and 400. Theoretically, the filters can be mixed with each other, but each company has something like a personalized INCI that includes proprietary details, ”explains the dermatologist. Maria Rosa Gavillo. mexoril 400in particular, it is a latest generation filter, the result of research in the laboratories of L’Oréal, able to protect the skin from ultra long UVA raysresponsible not only for skin aging, but above all for skin cancer: precisely because it is of interest to healthcareThe compound found in La Roche-Posay’s Anthelios UVMune 400 range of sunscreens is under a short-term patent and will be available in two years to all brands that want to integrate it into their products. photoprotectors.
“Today there are products that provide for the presence of two types in balanced sum or they have a greater presence of one or the other. There a big difference can be found on the screens children: pediatric lines actually have more physical filters since the latter guarantee a high commitment to the skin and therefore more suitable for the smallest, who by nature are very active and mobile. It is often assumed that I chemical filters not suitable for skin more sensitivebecause they are absorbed by the epidermis and can cause annoying irritations. As explains Dr. Gavillo but it’s real fake news given that “to date, there are no potentially irritating products on the market, since the formulations are subject to strict rules introduced at the European level and therefore fully safe. Surely each of us has specific sensitivity to the cream component or imagine even disturbed microbiota So more responsive.
Me too’zinc oxide, the most common physical filter, can cause adverse reactions. Indeed, it tends to dry the skin and for this reason it may not be compatible with particularly sensitive skin. dry. For filter degradationthis is normal, therefore it is recommended on the packaging reapply screen every 2-3 hours. Otherwise we would have spf 50 which stays like this for the whole day and even more. In the cityhowever, the conditions are different because we are not exposed to water, sand and wind And more stable protection they are able to keep their factor unchanged up to six o’clockand then decompose very slowly. A separate conversation must be made for products that remain open for a long time: you must always respect PAO extension (Period after opening, ed.), indicated on the packaging in accordance with the icon in the form of a jar. This is because not only Spf can have itself spoiled as a result less effective but also because the cream itself could be contaminated by contact with hands, especially if the bottle is not airless».
“When protecting yourself from UV rays, it’s good not to forget areas that we often overlook How back of the head, ears And lipwho needs balm specific with sunscreen 50 because, not a tan, they need one additional protection. Even scalpespecially with bald or thinning hair (but also with certain hairstyles such as pigtailsfor example), must be protected with light textures AND dry more suitable for a specific area head. There sunscreen then it should be carefully distributed before investment hair without fear of staining the length. Large percentage actinic keratosisprecancerous lesions, in fact, appear here, ”concludes Gavillo.