- Gardenia Cell Culture preserves existing collagen structure and helps stimulate new collagen - Amino Acids and Matrixyl™ 3000 Peptides help build new collagen - NeoGlucosamine™ reinforces collagen\'s protective support matrixCORRECT NeoStrata Correct Firming Collagen Booster - Replenishing Serum Updated 2021: Now in ‘Correct’ category, formally ‘Skin Active’ and new formula. The old formulation contained 2% Peptide Blend, however, is now reformulated with 1% Hydrolyzed Collagen; Gardenia Cell Extract increased from 0.5% to 1%.Enhance and preserve natural collagen with this concentrated serum, formulated to maximize collagen for skin that is smoother, tighter, and firmer The advanced SynerG 6.5 formula includes three clinically proven technologies, each with a unique action to synergistically target new and existing collagen. It contains Gardenia Cell Culture to preserve existing collagen structure by inhibiting MMP enzymes which break down collagen. This pure, active cell culture extract also helps stimulate new collagen synthesis. In addition, Amino Acids, the chemical building blocks of collagen, work with Matrixyl™ 3000 Peptides to help build collagen. Finally, potent NeoGlucosamine™ reinforces collagen\'s protective support matrix. Healthy, stronger collagen makes skin feel firmer and appear more lifted. Lines and wrinkles are smoothed from the inside out. Use this light serum to complement your daily antiaging regimen and boost your skin\'s natural rejuvenation cycle. Key Ingredients:- Gardenia Cell Culture preserves existing collagen structure and helps stimulate new collagen - Amino Acids and Matrixyl™ 3000 Peptides help build new collagen - NeoGlucosamine™ reinforces collagen\'s protective support matrix Directions: Use this light serum to complement your daily antiaging regimen and boost your skin’s natural rejuvenation cycle. Using fingertips, gently apply serum to cleansed face. Can be smoothed all over the face and neck or applied to specific areas. Gently massage any remaining excess into the skin.  Can be used alone or under a moisturiser. Size: 30ml