In-Use Tolerance & Efficacy Study Under Dermatological Control of Sunscreen in Adults With Atopic Dermatitis Skin

Inclusion Criteria: * Phototype: from I to VI. * Sun Exposure: Adults anticipating at least 6 exposures of 2 hours each during the study. * Swimming Sessions: Subjects planning at least 4 swimming sessions, with a minimum of 50% intending to swim twice in the sea and twice in a pool. * Sensitive Skin: At least 50% of subjects report having sensitive skin. * Health Insurance: Must be registered with health social security or health insurance. * Informed Consent: Must have signed the written Informed Consent form (ICF) for study participation. * Personal Information: Must certify the accuracy of personal information provided to the Investigator. * Health Status: Considered a "healthy subject" by the Investigator (excluding SCORAD considerations). * Women of Childbearing Potential: Must agree to use an effective contraceptive method throughout the study and for at least 1 month prior to the inclusion visit. Criteria Related to Skin Condition: * Atopic Dermatitis: Subject must present atopic dermatitis according to the U.K Working Party's Diagnostic Criteria for Atopic Dermatitis, with mild atopic dermatitis indicated by a SCORAD score of 15 to 25 (inclusive), determined by a dermatologist. * Reactivity: Must be reactive to external irritative factors such as chlorine, sand, salt, and sweat. Non-Inclusion Criteria: Criteria Related to Population: * Subjects who have participated in another clinical trial within the week before the inclusion visit, or for a longer period if …