LIFTACTIV COLLAGEN SPECIALIST 16 COLLAGEL is the first invisible crystal gel powered by co-bonding technology to boost and bond all collagen families. It revives 16 youth markers and reveals your glassy glow. In an invisible ultra-fresh gel that melts into skin upon application. It is suitable for sensitive skin, invisible on all skin tones. This dry touch gel revives 16 youth markers: glow, 24h hydration, plump, vitality, skin resilience, fine lines, firmness, skin stretchiness, smoothness, evenness, suppleness, skin texture, pore tightening, oil control, tonicity and softness.