Evidence for a new paradigm for ultraviolet exposure: a universal schedule that is skin phototype independent

The Food and Drug Administration has published guidelines for manufacturer‐recommended exposure schedules for ultraviolet (UV) tanning, intended to limit acute and delayed damage from UV exposure. These guidelines recommend that exposure schedules be adjusted for skin phototype. However, it has been shown that the dose necessary to produce tanning is similar for phototypes 2–4.

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