(VnExpress) - With the naked eye, these signs are so small that you don't notice them, but they are actually "warning bells that your skin needs more careful care."

Uneven skin tone is one of the conditions that many people are facing. So what are the causes of uneven skin tone, and how to fix it? This article will analyze in detail the causes and solutions so that women can always be confident with a bright, healthy, smooth skin.

Skin lightening treatments can temporarily reduce melanin production in the skin. Most of these treatments work by inhibiting the enzyme needed to make melanin. However, there is no permanent reduction in melanin pigmentation because its formation is genetically determined.

We all want to have smooth, perfect skin, but the differences in many people's physical condition, living and working environment make the skin color uneven, which can cause dark spots or patches on the skin. So, what is the solution to uneven skin color?

Melanin is a natural skin pigment, the color of hair, skin and eyes in humans and animals depends largely on the type and amount of melanin in the body. Research has found that melanin can help protect the skin from UV rays. So what is melanin? And what diseases are related to melanin?