Monthly Archives: Tháng Chín 2020

Why is the skin often blemished again?

Many of you always share that, despite applying a lot of tips that relatives, friends recommend or use acne creams, … but only after a while, the acne will return. There are many causes of this condition such as: Hormonal changesAcne usually appears during puberty and menstruation due to hormonal changes that increase the activity […]

The more you apply sunscreen, the darker?

Some people often think only when going to the sun, going to the beach, swimming pool, .. should they be protected against UV rays. However, whether you hide all day indoors or wear sunscreen, UV rays cannot be avoided. Because it can easily penetrate through windows, clouds,… The best way is to choose more sunscreen […]

The harmful effects of UV rays on skin and health

UV (Ultraviolet) rays, also known as ultraviolet rays, are electromagnetic waves whose wavelengths are shorter than those of visible light but longer than those of X-rays. Based on the impact of ultraviolet rays on human health and the environment, UV rays can be divided into three categories: UVA (wavelength 380 – 315 nm), UVB (wavelength […]