Photoprotection in vivo tests
Description
- Determine the Sun Protection Factor (SPF) according to standard methods ISO 24444 or FDA M020.
- Determine the UVA Protection Factor (FP-UVA) or Persistent Pigment Darkening (PDD) according to ISO 24442.
- Assess the water resistance of solar formulas according to ISO 16217 and ISO 18861 or FDA M020.
- Assess the sweat resistance of sunscreen formulas using an internal method.