Institut Esthederm Cyclo System Youth Concentrate (21 days' Redensifying Intensive Cure) has the following features: An intensive skin restructuring concentrate for mature skin. Formulated with patented Cyclanol to restore skin’s vital functions due to hormonal deficiencies. Blended with patented Repair complex to regenerate skin from deep within. Visibly banishes & relaxes wrinkles & expression lines. In just 21 days, skin appears firmer, plumper and hydrated.