|Titlu:||Instrumental assessment of the self-tanning efficacy.|
|Obiective:||To assess the self-tanning efficacy of a product after a single/repeated application.Optional: To assess subjectively its cosmetic qualities and efficacy.|
|Planificare:||Duration of the study: 1 or several days depending on the action mode of the product.
Beginning: 2 weeks upon receipt of the samples.
Report: 3 weeks after the end of the study.
|Metodologie:||Assessment of the skin colour induced by the product by means of colorimetric measurements (Mexameter® or Colorimeter® or Chromameter®).|
|Procedura:||• Basal colorimetric measurements.
• Single or repeated application of the product at the investigating centre.
• Post treatment colorimetric measurements at different times in order to obtain the kinetics curve of the tan achieved.
• Statistical comparison of the results obtained before and after treatment.
Optional: cosmetic qualities and efficacy questionnaire