Evaluation and Comparison of the Benefits of Routine vs Shampoo Alone During 4 Weeks Treatment and 12 Weeks Remanence

The goal of this study is to to evaluate and compare the efficacy of the routine "Shampoo + Conditioner " versus " Shampoo alone" immediately after application and after 1 week, 2 weeks, 3 weeks, 4 weeks (treatment phase) and 5 weeks, 8 weeks, 10 weeks and 12 weeks after applications stop (remanence phase) on subjects with moderate to severe dandruff. Participants will: Apply investigationnal products 3 time a week during 4 weeks and neutral or investigational products 3 time a week during 12 weeks Visit the center 9 times during the study for evaluations Keep a diary of their discomfort and the number of times they use the investigational products

NCT Number	NCT07133334
Lead Sponsor	Vichy Laboratoires Collaborators: Eurofins
Conditions	Dandruff
Enrollment	80 participants
Start Date	2025-04-02
Primary Completion	2025-08-18 (estimated)
Study Completion	2025-09-30 (estimated)
Updated on ClinicalTrials.gov	2026-03-04