In the morning and/or evening, after cleansing and spraying on LOTION YON-KA, apply the serum (pump 2 or 3 times) to the face and neck, then:
HYDRA No. 1 CREME (Hydrating, repairing) for dry or sensitive skin, OR
HYDRA No. 1 FLUIDE (Hydrating, mattifying) for normal to oily skin
In addition, use MASQUE N° 1 once or twice a week.
Tolerance tested under dermatological control. Non-comedogenic.
Serum + Creme = instant and significant hydrating: +144% over 8 hours.
Serum + Fluide = instant and significant hydrating effect: +122% over 8 hours.
Tests: corneometric testing over an 8 hour period.