To check homogeneity of filters distribution.

To screen global performance. (SPF, UVA PF, critical wavelength)

To study the product photostability.

► Marketing & claims product ...

► In vitro testing for claims :

Signal homogeneity evaluation.

SPF test after previous irradiation.

UVA test as per 2007 Colipa’s recommendation.

Critical wavelength evaluation. (article L5131-6 of Public Health Code)

UVA/UVB balance evaluation, Boots rating system, Australian method ...

► Other tests :

In vivo SPF or Vivo/Vitro packs.

UVA Pf

Water resistance.

► Production & quality control  ...

Batch reproducibility control. (signal reproducibility)

Persistence of UVA/UVB ratio after irradiation.