Sun tanning
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Sun tanning or tanning is the process whereby skin color is darkened or tanned. It is most often a result of exposure to ultraviolet radiation from sunlight or from artificial sources, such as a tanni
A visible tan line on a woman whose skin has been darkened by ultraviolet exposure, except where covered
A sun tanned arm showing browner skin where it has been exposed
Photoaging of a woman
Cross-sectional view showing skin tone becoming darker due to the production of more melanin to overcome DNA damage caused by UV radiation
Sunless tanning
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Sunless tanning refers to the effect of a suntan without exposure to the Sun. Sunless tanning involves the use of oral agents, or creams, lotions or sprays applied to the skin. Skin-applied products m
Sun tanning
…activity of sun bathing. Some people use chemical products that can produce a tanning effect without exposure to ultraviolet radiation, known as sunless tanning. Moderate exposure to direct sunlight contributes to the production of melanin and vitamin D by the body…
1960s advertisement for tanning lotion