Sunscreen is an essential thing that is indispensable in this era because sunscreen is a good helper that prevents our skin from being damag and weaken, causing dark skin, dull face, freckles, melasma, etc. from ultraviolet rays that come with the hot sunlight.
For sunscreen with SPF15 means that it will protect our skin for 15 times from the sun because normally if we do not apply sunscreen and have to face the sun, our skin will burn within 20 minutes, which means that SPF15 will protect our skin for 15 times of 20 minutes, which is about 5 hours. As for PA, it should be PA+++ to get the best results.
Therefore, we should examine the sun exposure each day and choose a sunscreen with SPF that is suitable for that day. For the PA value in sunscreen, คาสิโนออนไลน์ UFABET ฝากถอนรวดเร็ว เริ่มต้นเล่นง่าย, we do not necessarily have to choose sunscreen with the highest PA value all the time.
We should choose a PA value that is appropriate for the activities and lifestyles that we are doing. The criteria for selection are as follows:
- PA++ value, moderate UVA protection, is usually suitable for those. Who have to do outdoor activities and are expose to sunlight, but the sunlight is not too intense.
- The PA+ value, although it is a low level of protection, is still suitable for people who do activities in buildings, buildings or houses and do not have to be expose to sunlight, such as office workers, which will be sufficient for the necessity.
- As for the PA+++ value, which can protect the skin at a high level, it is suitable for people who have to go to places with strong sunlight or have to be in the sunlight all day, such as the beach, which can choose to use SPF 50 PA+++ or higher.
Sunscreen with SPF, will help protect against UVB rays, which are the cause of sunburn or dark skin, including skin cancer. But it does not help protect against UVA rays, which destroy collagen and skin moisture, causing dry skin, deep wrinkles or sagging skin, causing freckles.
Therefore, you should choose a sunscreen that can protect against both UVA and UVB rays, which means it must have both SPF and PA.