What is the relationship between ultraviolet rays and spots? Sun protection is as important as improving

When girls take care of their skin, they spend a lot of time fighting spots. There are many reasons for spots. The formation of spots is affected by personal constitution and family genetic constitution. Acquired factors include irregular life, high stress, endocrine disorders, etc. Among them, the biggest [culprit] of spots is ultraviolet rays! UVA, […]