Apply the contents of the aqueous concentrate ampoule on perfectly cleansed and toned skin. If you performed extractions, apply the concentrate after you aseptize skin with the high frequency current. Tap gently to encourage penetration.
This concentrate can also be ionized with the galvanic current 3-4 minutes on negative, 3-4 min on positive.
(For more info, see France Laure Reference book and step-by-step Treatments available in the PRO download section).