HOW IS A COSMETIC STUDY PERFORMED?
Cosmetic studies are similar in principle to medical clinical studies. In a clinical cosmetic study, the conversations and examinations are also carried out by a doctor.
In the case of pure application observations, the participant himself evaluates the changes of his skin image over a fixed period of time and documents the results.
In the case of pure application observations, the participant himself evaluates the changes of his skin image over a fixed period of time and documents the results.