(1) Observational multicentric study conducted in France by 133 dermatologists on 344 subjects aged 18 to 54, suffering from light to moderate facial acne under acne treatment, for 12 weeks.
(2) Usage test on 20 volunteers aged 20 to 45, with dry to very dry and sensitive skin, for 7 days.
(3) Corneometry on 10 volunteers aged 28 to 65, with dry to moderately hydrated skin, for 8 hours.