Composition No. 1 Serum

A potent overnight serum powered by collagen-targeting peptides, encapsulated retinol, and liquid oxygen to renew and rebuild skin while you sleep.

£1,216.00

50 ml

Product details

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

how to use

Apply 2 pumps across the face, neck, and décolleté. Press into skin until fully absorbed. Follow with your Auteur cream of choice.

Use every other evening or 3x weekly to start, alternating with hydration-focused products. Increase frequency as skin builds tolerance. For sensitive skin, layer over Hyaluron Activator Serum.

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 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, Cyclotetrapeptide24 Aminocyclohexane Carboxylate, Acetyl Heptapeptide-9, Colloidal Gold, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Tetradecyl Aminobutyroylvalylaminobutyric Urea Triflouroacetate, Magnesium Chloride, Limonene

Violet Code Approved

The Violet Code is a rigorous testing process by which our Committee of leading makeup artists, hairstylists, skin care experts, nail artists, and perfumers deem products best-in-class and therefore worthy of their kits, our SHELVES, and your vanity.

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Rated 4.0 out of 5 stars

Based on 1 review

100%would recommend this product

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Ian
Verified Buyer
I recommend this product
Rated 4 out of 5 stars
5 months ago
The serum that tries to do too much, but misses the mark...
After using COMPOSITION No. 1 for about eight months (I'm on bottle number two), I thought I'd share a review, since few want to take the financial plunge before some intel (which is wise)...
I'll state outright that I love AUTEUR products. The packaging is incredible, and each product is innovative and unique. This is the only one I've tried that I'm lukewarm on.
COMPOSITION No. 1 is almost great -- and filled with great ingredients (namely the high concentration of perfluorocarbons) -- but I've found that it's, essentially, an 'overachiever,' trying to do too many things at once and just missing the mark in the process. It's so active-packed, in fact, that it pretty quickly pills on my skin, leaving that distinct, retinoid-yellow tinge upon application. If I could give AUTEUR notes, I'd suggest that they dial-down the amount of retinol in this formula because of its pilling (and drying) effect. Otherwise, it's strong -- after about two months of nightly use, I noticed that my skin was smoother and more toned overall. Just before the six-month mark, I found that my crow's feet had diminished. The problem? These effects plateaued after that (my skin basically looks the way it did three months ago, with no other notable improvements). That's not really a negative... I suppose I just expected a bit more, and it's difficult to justify the price while only noticing a few modest improvements.
If you're in the market to spend north of $1k on skincare, I suggest MBR's LIQUID…
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Composition No. 1 Serum

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