In the evening, after cleansing and make-up removal, spray the Yon-Ka Lotion, apply Yonka Glyconight 10% Mask in a thin layer on the face, neck and décolleté.
Leave on overnight. Rinse off with warm water the next morning and apply spf.
Radiance Mask: 1 application in the evening for a radiance boost the next morning.
Flash cure: every other evening for 1 week.
Intensive cure (1 to 2 months): every other evening during the 1st week, then every evening during the following weeks. Cure to be repeated 2 to 3 times a year.