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In small amounts, the sun's ultraviolet rays are beneficial for health because of its ability to produce vitamin D and its positive effects on people's mood, however, overexposure is badociated with cancer of the sun skin and premature aging.
The dermatologist Melisa Mejía says that it is not enough to hide completely from the sun, but to consciously expose it. For that, the first thing to know is that the color is acquired as a defense mechanism of the cells against the penetration of ultraviolet rays. Thus, tanning causes a skin lesion and so it is important to learn to tan by minimizing the risks of photoaging and skin diseases.
Protector and SPF
All commercial solar screens have a combination of two types of protectors: filters and screens. The recommendation is that it be dermatological and that it has a sun protection factor (SPF) of 50 or more. This figure is the ability to protect against the minimum sun dose required to produce a burn on the protected skin of unprotected skin; for the factor to fill, 2 grams of antisol should be applied per square centimeter of skin, or about a teaspoon of tea. If less SPF is applied, that is why dermatologists recommend the highest.
Types of Protector
For the body, it is recommended to choose easily applicable vehicles, such as lotions or emulsions. For the face, it is recommended to choose gels or lotions for oily skin, emulsions or gels for combination skin and creams to dry
Application
It is necessary to apply 15 to 20 minutes before the exposure to sun and repeat the dose every 3 hours When you are in the pool or you are exercising because no sunscreen is waterproof, they withstand 40 to 80 minutes. The proper amount to comply with the SPF is 2 tablespoons of tea in each end, one in the chest, one in the back and one in the face and neck.
In children
In children under six months no type of protector, but use the hat, the shirt and the shade. In addition to 6 months, special sunscreens may be used for children with a protection factor greater than 15.
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