7 common questions about sunscreen

What is the SPF number only?  

Sisters not ignore sunscreen in the summer.

SPF or IP is the norm of measurement of the average time of a product rather than the weight more or less Sun. The international norm is 1 SPF = 15 minutes (so 15 SPF = 3 hours 45 minutes), maximum protection period of the product if you apply the right thickness 0.2 mm cream on the skin. However the effects are not stable due to dusty, sweaty, clothing and water.

Need lotion long before the sunshine?  Any kind of sunscreen would also need at least 20 minutes to completely penetrant and create walls blocking ultraviolet rays. Therefore, you should apply the cream before changing clothes and makeup to make sure time and avoid to forget.

There is need to use sunscreen when Sun is shaded?  Although the Sun is cool but still intact UVA rays (UVA causes lightening, skin aging and wrinkles) should you also do not subjectively when snow or in the shade.   Can use sunscreen rubbed body face up?

Should not use the wrong protection index not be acne.

Usually on the bottle of sunscreen are scored as "can apply to the face and the skin exposed to the Sun". As you know, we often face skin is thin and prone to irritation, hence should be used exclusively for Sun type face because they have more skin essences, the SPF number only best is about 20-40. Also a higher SPF 30 should be used for other skin areas on the body. If using the wrong index can cause irritation and pimples. The most suitable doses to DAB for the entire face is about 2, 5 g.

Limit use of a bottle of sunscreen?

Like other cosmetics, 6-8 months from the date of opening the CAP product is the most ideal time to use.

Should topical sunscreen before or as soon as the Sun out?

Any kind of sunscreen would also take between 20-30 minutes to completely penetrant and create walls prevent ultraviolet (also known as ultraviolet or UV rays). To be effective, the best protection you should apply sunscreen 20 minutes before the Sun.

Sunshine there frequently through clothes?

Can. Each type has a different Sun effects, referred to as a UPF (Ultraviolet Protection Factor). The higher the UPF, ultraviolet absorption, skin the sisters as being safe.

The clothes are capable of protection under all three ways: fabric can prevent UV, color, can absorb or reflect ultraviolet, some chemicals on fabric can absorb ultraviolet. The clothing has UPF 50 means only 1/50th the amount of ultraviolet through.=

  • 9158 Views
Loading...