An intensive firming treatment providing immediate lifting properties. Intensive Youth Concentrate contains the highest concentration of the remarkable L-PROLINE Complex to reactivate collagen synthesis, reorganise, consolidate and tighten the dermal mesh. It acts like a real ‘cell lift'. An enriched formula of 3 active ingredients combined with DECLÉOR's unique ‘Lift Jeunesse Complex'; an exceptional formulation that acts on skin's surface to provide immediate lifting properties. After just 21 days, skin is firmed by 41%*. How to use: Use as a 3 week intensive duo treatment in the morning and evening. After cleansing, apply 4 drops to a cleansed face. Use in the morning together with AROMESSENCE™ Iris Serum and in the evening with Iris Night Balm. Suitable for all skin types. * Clinical score conducted on 31 women - objective measurement by an expert conducted after the first use and after 21 days of application.