Composition No. 1 Serum

$1,190.00

Overnight optimising serum

The gold standard in peptide serums, Composition No. 1 is the definitive expression of the AUTEUR skincare philosophy; optimised for ultimate skin repair and rejuvenating performance.

Bringing together over 40 ground-breaking and high-performance active ingredients to rescue and revitalise distressed, tired and damaged skin, including SYN®-AKE Peptide, SYN®-HYCAN Peptide, Gold Pro-Collagen Peptide, Liquid Oxygen, Encapsulated Retinol, Pentavitin®, Hyaluronic Acid and Niacinamide, this overnight serum unites an unmatched symphony of Liquid Oxygen, peptides and antioxidants to enhance cellular regeneration, restore optimal skin functions, and reveal a healthier appearance.

Overnight optimising serum

The gold standard in peptide serums, Composition No. 1 is the definitive expression of the AUTEUR skincare philosophy; optimised for ultimate skin repair and rejuvenating performance.

Bringing together over 40 ground-breaking and high-performance active ingredients to rescue and revitalise distressed, tired and damaged skin, including SYN®-AKE Peptide, SYN®-HYCAN Peptide, Gold Pro-Collagen Peptide, Liquid Oxygen, Encapsulated Retinol, Pentavitin®, Hyaluronic Acid and Niacinamide, this overnight serum unites an unmatched symphony of Liquid Oxygen, peptides and antioxidants to enhance cellular regeneration, restore optimal skin functions, and reveal a healthier appearance.

Active Ingredients

Gold Pro-Collagen Peptide

Next-generation peptide complex that enhances collagen synthesis, delivering firmer, more lifted skin while improving elasticity.

Liquid Oxygen

Optimises oxygen delivery to skin cells, accelerating repair and regeneration while boosting collagen production and luminosity.

SYN®-AKE Peptide

Precision peptide that visibly relaxes expression lines, revealing firmer, smoother skin with an immediate tightening effect.

Ectoin

A multifunctional extremolyte that protects skin from environmental stress, locks in hydration, and reduces visible inflammation.

Encapsulated Retinol

Otherwise known as Vitamin A, which delivers the benefits of Retinol with enhanced stability and reduced irritation, accelerating cell turnover and collagen synthesis for a visibly refined texture.

Ceramide Complex

Skin-identical blend of ceramides I, II, III, IV, and VI that reinforces the skin barrier, preventing moisture loss while enhancing elasticity and resilience.

Hyaluronic Complex

Multi-molecular blend of five micro-low to high molecular weights of hyaluronic acid, providing deep, long-lasting hydration while supporting skin elasticity.

Niacinamide

Reveals brighter, more even skin while reinforcing the barrier and minimising visible pores, fine lines, and discoloration.

Pentavitin

Moisture-binding complex that delivers 72-hour hydration, strengthening barrier functions and reducing irritation.

Probiotic Compound

Balances skin’s microbiome to enhance clarity, calm irritation, and reveal a healthier complexion.

Ingredients

Aqua/Water, Perfluorohexane, Glycerin, Pentylene Glycol, Glyceryl Stearate Citrate, Cellulose, Niacinamide, Panthenol, Glycine Soja Oil, Alpha-Glucan Oligosaccharide, Ectoin, Phytosphingosine, Perfluorodecalin, Bisabolol, Maltodextrin, Pentafluoropropane, Sodium Stearoyl Glutamate, Saccharide Isomerate, Allantoin, Parfum/Fragrance, Sodium PCA, Xanthan Gum, Retinol, Tocopherol, Alcohol, Lactobacillus Ferment

Hamamelis Virginiana Bark Leaf Extract, Helianthus Annuus Seed Oil, BetaGlucan, Lactic Acid, Caprylic/Capric Triglyceride, Hydrogenated Phosphatidylcholine, Lecithin, Butyrospermum Parkii Butter, Collagen, Citric Acid, Zingiber Officinale Root Extract, Sodium Hyaluronate, Sodium Acetylated Hyaluronate, Sodium Citrate, Squalane, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, Ceramide NP, Magnolia Officinalis Bark Extract, Paeonia Lactiflora Root Extract, Cyclotetrapeptide-24 Aminocyclohexane Carboxylate, Acetyl Heptapeptide-9, Colloidal Gold, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Tetradecyl Aminobutyroylvalylaminobutyric Urea Triflouroacetate, Magnesium Chloride, Limonene.