Composition No. 1 Serum

Ultimate Optimizing Serum

The definitive expression of the AUTEUR skincare philosophy, this high-active overnight treatment serum is engineered to repair and rejuvenate distressed, tired and damaged skin. Composition No. 1 brings together a range of over 40 active ingredients into one concentrated treatment - including perfluorocarbons, peptides, and antioxidants. Ingredients work together to enhance cellular regeneration and restore skin’s ability to achieve a more optimal function and healthier appearance.