Precautions for sunscreen use

The summer has arrived on schedule, and the bright sunshine of May is getting stronger and stronger, so the time has come to get out the sunscreen. Although year after year in the sunscreen but year after year in the tanning, really let people infinite depression and lost confidence in the sunscreen. No one wants to do "black girl" endorsement, but also want to generously embrace the sun, in the summer show beautiful positive energy, please note that now to choose sunscreen isolation energy lasting sunscreen products, is to guard the bright road to white skin, abandon the high sunscreen index hegemony.

Sun protection index those small "fishy"

Commercially available sunscreen cosmetics are marked with sun protection index, SPF and PA index labeling, using scientific methods to explain slightly complicated, to put it simply these indices, the performance of sunscreen products against UV rays. It is well known that UVA stimulates melanin growth and collagen loss in the skin, and the "+" sign of the PA index indicates that the sunscreen product protects against UVA and delays the time when melanin is produced due to UVA exposure. The number after the SPF letter indicates the time that the sunscreen product protects the skin from red spots and sunburn.

Sunscreen products add new technology and efficient sun protection more durable

The higher the coefficient of sunscreen products, the more sticky and impermeable the texture and feel, oily skin is afraid to avoid it. Now with the advancement of technology, sunscreen new products also because of the addition of some patented technology, making the product has a high sun protection index can also be refreshing and non-greasy feeling, more importantly, these technological components for healthy muscle base to bring lasting and efficient sun protection, rest assured that embrace the sun.

Sunscreen isolation needs to last, high sun protection index is not greasy

The higher the sun protection index, the better? You should know that even high times the sunscreen index will also be due to prolonged sun exposure, resulting in the decomposition of sunscreen ingredients, so there will be annual sunscreen year after year tanning situation. To keep the tender white healthy muscle base, to use really efficient sunscreen isolation, it is best to choose a high lasting sunscreen isolation ability sunscreen products, in order to really do to guard the beauty of positive energy, rest assured that embrace the sun.

Sunscreen can not be used blindly SPF index is not the higher the better

The higher the SPF index, the more protection it gives, but the higher the sunscreen index, the greater the stimulation of the skin, so choose the right sunscreen index for you is the most important! If you work indoors and do not go out much, you can use SPF15 to SPF20 sunscreen products; if you need to run around a lot, you can use SPF20 or more products; to travel to tropical areas, you should choose SPF30 or more sunscreen products.

Sun protection measures literacy sunscreen supplies you should how to use

Only to reach the prescribed use of 2 mg per square centimeter, sunscreen can achieve the sun protection index it is labeled. Even if the sunscreen is more than SPF30, if only a thin layer is applied, probably only SPF4 sunscreen effect, after the expert survey, most people's sunscreen usage is only 0.5 mg to 1 mg per square centimeter. Since sweat and friction can cause sunscreen to lose its effectiveness, you need to reapply every two hours when you are outdoors. Finally, if you cannot guarantee the amount of sunscreen you use, then choose a product with a high SPF and PA.