These types of claims can be assessed using various methods:

• Clinical assessment by specialists/ dermatologists

• Biometric determinations, using devices such as the Corneometer, Cutometer, Tewameter, Colorimeter, Sebumeter, Skin pHMeter, Texture analyzer, etc.

• Photographs

• 3D images

• Subjective evaluation by dermatologists or specialists, through evaluation questionnaires that reflect their perception of the product's effectiveness on each topic

• Subjective evaluation by consumers through evaluation questionnaires