A common mistake when buyingsunscreenBut many loving people are only interested in the SPF on the packaging, especially more harmful if someone still puts all their faith in choosing the product lines with high SPF with the thought "The higher the sunscreen. "This concept is not wrong but not accurate and easily leaves harmful effects on your skin.
Here are things that may happen to your skin if you choose sunscreen only SPF:
Acne
The SPF index is mainly related to sunscreen to protect the skin.This means that the higher the SPF, the longer the protection time, the low SPF means that you will have to apply the cream more often.Thus, the higher the SPF makes the sunscreen on the skin longer, which makes it easier for pores to clog, accumulate dust and sebum causing acne.In particular, the more irritated with sensitive skin, acne -prone skin.
Increased risk of skin burns, skin cancer
It sounds absurd, but when users choose sunscreen with too high SPF (70, 100), it will accidentally create a sense of dependence, deputy wearing skin for sunscreen that neglect the shielding., the room of yourself.Being in the sun is too long without preventing carefully, it may increase the risk of skin burns or even skin cancer.
Dark skin, aging skin
There are two indicators to note when buying sunscreen: SPF and PA: SPF (Sun Protection Factor) showing sun protection, protecting the skin from UVB rays - rays with shorter wavelengths and stronger energy, attack the skin surface, causing immediate damage like sunburn.
While, if you want to prevent dark spots and skin aging, PA (Protection Grade of UVA) is the index you need to care more than SPF.Because UVA rays are long wavelengths and low energy, capable of penetrating deeper than UVB rays and going to the skin's dermis.UVA increases pigmentation, destroys collagen, creates wrinkles and causes serious skin aging.PA index (ranging from 1 to 4 +), the higher the PA, the stronger the ability to protect from UVA rays.
Thus, if you only care about the SPF and forget PA, your skin is not fully protected.