UV rays cause tanning by the way they affect the melanin in our skin. … UVB causes an increase in the production of melanin in the skin and other changes to the cells that the melanin is stored in. These UVB effects cause the skin to become darker or tanned.

Does higher UV mean better tan?

This UV ruler numbers range from 1 to 11+. If your aim is to tan safe, we recommend only tanning during moderate UV conditions. The higher your UV index is, the faster your skin can burn, so it’s important to bear in mind how long you plan on staying outside in order to minimize risk and damage to your skin.

How do UV rays affect tanning?

Exposure to UV radiation increases the pigment melanin in your skin. UVA radiation triggers the release of melanin within the skin itself, while UVB radiation stimulates your body to produce more melanin, resulting in a sun tan.

Without damaging UV rays, the artificial tan could give that golden glow while protecting against skin cancer. Despite tanning’s well-known link to skin cancer, many of us simply can’t resist that golden look.