Micellar Water and the Skin Barrier: Comparing Rinsing vs. Non-Rinsing Application

Inclusion Criteria: * Healthy adult volunteers aged 18 years and older. Willingness and ability to comply with study procedures. Signed informed consent indicating understanding of study participation, rights, and potential risks and benefits. No current skin diseases or conditions at the test site. Ability to attend all study visits and follow instructions Exclusion Criteria: * Participants with skin diseases, skin cancers, or sun damage at the test site will be excluded. Use of immunomodulators, corticosteroids, or antihistamines within 30 days prior to the study start is exclusionary. Application of emollient creams within 3 days before the trial is not permitted. Other exclusion criteria include protocol non-compliance, excessive exposure to natural or artificial ultraviolet radiation, pregnancy or lactation, history of vitiligo, melasma, or other hyperpigmentation or photosensitive disorders, immunosuppression, and allergy to any ingredient of the micellar solution used in the intervention. Before starting the study, participants will be asked if they have ever experienced adverse reactions to any components of the micellar solution.