Don't dry out. Apply a body oil all over before getting in the shower. This creates a barrier on your skin, allowing the tan to last longer. Exfoliate lightly. Every few days, gently exfoliate so your tan stays even. Make it last. Lengthen the life of your tan with a gradual tanning moisturizer (Pradas likes Jergens).
typology - classification according to general type. classification, compartmentalisation, compartmentalization, assortment, categorisation, categorization - the act of distributing things into classes or categories of the same type.
The typological model is based on what is now known to be a false assumption concerning the nature of human variation--that is that we can be unambiguously assigned to a race on the basis of selected anatomical traits.