Composition No. 1 Serum

This intensive overnight treatment serum epitomizes Auteur’s high-active skin care philosophy. Composition No. 1 harnesses over 40 advanced actives to restore skin’s structure and function at a cellular level. Engineered for skin compromised by age, fatigue, or environmental stress, this luxurious formula reactivates repair mechanisms and strengthens the skin’s natural defenses. Five precision peptides work synergistically to stimulate fibroblasts, boost collagen and elastin, and re-densify the extracellular matrix. A 10% concentration of Auteur's proprietary Liquid Oxygen complex enhances cellular metabolism and oxygenation, while encapsulated retinol and lactic acid smooth texture and accelerate turnover. Powered by micro-encapsulated delivery technology, each active ingredient is absorbed deeply and released gradually to minimize irritation and maximize efficacy. With consistent use, skin appears firmer, more refined, and visibly rejuvenated. INSIDE THE FORMULA Liquid Oxygen: Auteur’s Perfluorocomplex supports cellular oxygenation to increase energy, stimulate regeneration, and improve metabolic efficiency within the skin. Encapsulated Retinol: A stabilized form of Vitamin A that promotes cellular turnover and collagen synthesis while smoothing texture and reducing hyperpigmentation. SYN®-HYCAN Peptide: A contouring peptide that encourages hyaluronan synthesis and supports skin structure for firmer, more voluminous skin. VISIBLE RESULTS Stimulates collagen production to firm and lift Reduces fine lines, wrinkles, and visible signs of fatigue Refines texture and visibly smooths skin’s surface Restores hydration and plumps from within Helps repair environmental damage and photoaging Supports skin’s natural regeneration and resilience

Key ingredients

Of the active ingredients the catalog knows, these appear in this product’s text.

1. 1RetinolRetinolVitamin A derivative: speeds cell turnover and softens fine lines. Use at night.More details
2. 2PeptidesPeptidesShort amino-acid chains: support collagen production and improve firmness.More details

Where does this product fit in a routine?

The highlighted step is where this product’s active ingredient or concern matches that step.

Other products containing Retinol.