mode of employment:
Professional use: apply at the end of any professional treatment, in place of the cream or ampoule. Can be used in the cabin as a final treatment after a professional treatment.
Home use: apply on the face before moisturizer and makeup. Depending on the type of skin, you can apply the serum and then (if you wish) the make-up, but it is recommended to apply serum + moisturizer and after makeup.