Composition No. 1 SerumComposition No. 1 Every repair function your skin needs. At once. Composition No. 1 is not a serum for one concern. It is the definitive expression of the AUTEUR philosophy: over 40 ground breaking actives working in concert overnight to rescue distressed skin, restore structural integrity, and reveal a measurably healthier appearance by morning. The Scale of This Formulation 40+ High performance active ingredients in a single overnight serum 1 The

Luminosity optimised from first use

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I&III Types of collagen actively stimulated to counteract age-related degradation

The set is presented in the AUTEUR Journey Bag

contributing to the healthier overall appearance visible by morning

the foundation for enduring vitality

Smooths from the surface

silence irritation

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Ergothioneine

Reduce senescent cells that accumulate with age and drive the chronic low-grade inflammation known as inflammageing