Tanning products, both sunless and sun, go to work on the epidermis, or the outside layer of your skin, and not the dermis or inner layer. However, the layer of epidermis that is affected by sunless versus the layer affected by sun tanning products differs. Sun tanning lotions, sprays, gels and other assorted items, go to work on the stratum basale or deepest layer. And sunless tanning items go to work on the stratum corneum or outermost layer.

Method 1 - Sunless Bronzers

Some sunless tanning products come in the form of moisturizers (as lotions and cr