UVA UVB and advice in relation to solar energy to the choice

Do you know the difference between UVA and UVB? UVB is considered the "tanning ray", and the strongest in summer when the earth approaches the sun. These beams are the epidermis (top layer of skin), which penetrate about the same thickness of silk. UVB rays stimulate the melanocyte cells of more melanin, the pigment in our skin to produce.

UVA, which is often called the "safety" of radiation, now known to be more dangerous than UVB, UVA, because the same style, regardless of the time of the year. It does not cover the distance from the sun or near the same time, the rays pass through the window of clothing, cars and offices, and hats. Must be a good sunscreen with SPF 15 or higher with UVA / UVB protection forever. You need sunscreen 20 minutes before being applied in the sun.

Because the sun set our biological clock and provides vitamin D are important, common sense should be used to determine the amount of solar radiation. As for laser hair removal is concerned, the amount of sun exposure plays a role in determining whether you qualify for treatment. So if you are interested in laser treatments this summer, make sure that the sun as much as possible and avoid the SPF 15 or higher. Also, note the ingredients your sunscreen.

Two of the most important ingredient of solar

There is an interesting article by Dr. Jessica Wu's health every day, now that talk about some misconceptions about sunscreen, and some of the ingredients you need to look at when shopping for sunscreen this summer. Highlights of the article, you can read on the day of Health website.

The first two of the most important ingredients when shopping for sunscreens include zinc oxide and titanium dioxide. Sunscreen with a high proportion of zinc oxide is the highest quality and best defender. There is a third ingredient, which was recently approved by the FDA as Mexoryl.

A second big myth about solar energy is that you get double protection, if you double the FPS. In fact, SPF 30 only 4% higher than SPF 15

3 Make sure you have enough sunscreen to cover the affected area. They recommend one tablespoon of your face (including ears), and glass, the lid body (arms, legs, etc.).

4 The last point is pretty obvious, but you should reapply sunscreen every 3-4 hours or after swimming or bathing.