Sun tanning is the process where skin is darkened due to exposure to ultraviolet radiation from sunlight.

Moderate exposure to the sun contributes to the production of melanin and vitamin D by the body, but excessive exposure to ultraviolet rays negative effects, including sun burn and increased risk of skin cancer , as well as accelerated ageing of the skin.

How does laser helps in removing tanning?

Laser treatment for tan removal uses a low level red laser that is applied to the area of sun damaged skin. The light penetrates to up to three inches into the skin. This promotes the growth of new skin cells along with increased production of collagen, enzymes and cell growth. Laser therapy also prevents scar tissue from forming with increased collagen levels in the skin.