(1) Instrumental evaluation of the moisturisation by corneometry, 10 subjects aged from 29 to 74 years old.
(2)Instrumental evaluation of the nourishing effect by sebumetry, 10 subjects aged from 28 to 69 years old.
(3)Clinical study on 30 subjects aged from 20 to 60 years old with dry, irritated and fragile lips, and exposed to climatic aggressions, 21 days. Clinical scoring.
(4) Clinical study on 28 subjects aged from 17 to 40 years old under isotretinoin treatment with mild to moderate cheilitis, 28 days with 5 applications per day, Clinical scoring.