Sunscreen, everything there is to know about it

Sun protection has become or should become a must in both summer and winter, whether we are sunbathing or not. The first reason is that when used correctly, it can help prevent skin cancer and the appearance of spots and wrinkles as well. A two for one that is very worthwhile. But how do you choose it? What protection factor should it have? How should it be used for protection? Read on to find out the lot there is to know about it .

What exactly is SPF?

The SPF or protection factor indicates the degree of protection against ultraviolet UVB rays, which cause sunburn. Depending on the type of photo, every person has a natural protection from the sun, which needs the time to burn (red coloring is also seen as burning). Well, the sun protection factor indicates how much the sun product multiplies your natural protection. If it took you 30 minutes to burn without sunscreen, it would take 180 minutes with SPF 50 

How Much Does Each SPF Protect?

A cream with SPF 15 blocks 93% of the radiation; SPF 30 blocks 97% and SPF 50 blocks 98%. Sunscreens that block more than 98% of radiation are known as SPF 50+. As a general rule, it is suggested to use high sunscreens, 30 and 50, and the protection time will be longer .

Does an SPF 100 protect twice as much as an SPF 50?

Logically it should be, but it isn't. When the sun protection factor exceeds 50, no noticeable differences were observed. This is why in Europe it is recommended to write 50+ on the label if the protection exceeds 50 .

 

How Much Sunscreen Apply?

The recommendation is 2 mg / cm2 skin. Applied to the body and face of an adult, this would be about 30 ml of product, like filling a shot glass with cream. Applying less product does not guarantee the protection indicated by the SPF .

How Much Sunscreen Should You Put On Your Face?

If you are just putting sunscreen on your face because you are not exposing the rest of your body to the sun, one trick is to apply the right amount of cream from the beginning to the end of the index. and middle finger. That would be the amount you should apply all over your face (don't forget the area around the nose, eyes, areas near the hair, neck, cleavage (if free), and ears (one of the am most affected by melanoma).

Does a tinted sunscreen provide protection just like a colorless one?

Yes, as long as you wear the recommended number of both fingers, just as you would with one with no color and of course if it has the same SPF.

If the sunscreen isn't from a pharmacy or brand, is it less effective?

The labeling regarding sun protection is regulated by the European Union, so if a super sun protection shows a sun protection factor of 50, it is. Pharmacy products can contain specific active ingredients developed for atopic skin, for example, provide more moisture, contain antioxidants, depigmentate ... and include protection against infrared, visible light, etc. This does not mean that other outlets do not have these characteristics.

Should I apply it 30 minutes before sunbathing?

This has always been the recommendation. However, there are studies that have found that sunscreen provides protection almost from the moment it is applied.

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