Conditions: Healthy Skin
Allocation: RANDOMIZED | Intervention model: SINGLE_GROUP
Enrollment: 30
Healthy volunteers: yes

Brief summary:
This is a single-center study, randomized, Investigator/Evaluator-blinded bilateral (split-face) comparison.

The objective: To assess the benefit of the concomitant use of a Moisturizing Lotion in reducing the skin irritation induced by a adapalen gel treatment in Chinese Subjects.

Detailed description:
The interest \& relevance of the concomitant use of a non-comedogenic moisturizer in order to decrease retinoid irritation has already been demonstrated in Caucasian patients. Such interest of associating a moisturizer when Differin® gel is prescribed has not been demonstrated in Asian populations.

Arms:
arm 1: None

Interventions: intervention 1: adapalen 0.1% intervention 2: Cetaphil®
Intervention descriptions: intervention 1: Intra-individual (split-face) comparison: Differin® 0.1% (whole face) will be applied once daily for 4 weeks.

Visits will be conducted weekly for a maximum of 5 visits. intervention 2: Intra-individual (split-face) comparison: Cetaphil® (only one side of the face) will be applied once daily for 4 weeks.

Visits will be conducted weekly for a maximum of 5 visits.

Protocol document: