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Uptodate Reference Title
Fitzpatrick skin phototypes
Fitzpatrick skin phototypes
Skin type
Reaction to sun exposure*
I
Always burns, never tans
II
Always burns, minimal tan
III
Burns minimally, gradually tans
IV
Burns minimally, tans well
V
Very rarely burns, tans profusely
VI
Never burns, tans deeply
NOTE: Slight variations on the definitions of the phototypes appear in the literature. Progression from type I to type VI often correlates with increasing baseline skin pigmentation.
* After the first one hour of sun exposure on previously unexposed skin on the first day of spring.