Guidance

Ultraviolet radiation and sunscreen

Ultraviolet protection factors (UPF) and sun protection factors - how they're measured for clothing and suntan cream.

• From: Public Health England
• Published: 1 January 2014

Documents

Ultraviolet radiation: frequently asked questions

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This document looks at safe levels of ultraviolet radiation exposure, ultraviolet protection factors (UPFs) and sun protection factors.