FREE NEXT WORKING DAY DELIVERY OVER £75
FREE NEXT WORKING DAY DELIVERY OVER £75 FREE NEXT WORKING DAY DELIVERY OVER £75 SPEND £150 FOR 3 FREE SAMPLES SPEND £150 FOR 3 FREE SAMPLES SPEND £250 FOR 3 LUXURY SAMPLES SPEND £250 FOR 3 LUXURY SAMPLES EARN REWARDS EARN REWARDS
FREE NEXT WORKING DAY DELIVERY OVER £75 FREE NEXT WORKING DAY DELIVERY OVER £75 SPEND £150 FOR 3 FREE SAMPLES SPEND £150 FOR 3 FREE SAMPLES SPEND £250 FOR 3 LUXURY SAMPLES SPEND £250 FOR 3 LUXURY SAMPLES EARN REWARDS EARN REWARDS
NEW

Definitive Collagen Activator Serum

Auteur
(1)

Definitive Collagen Activator Serum

Auteur
(1)
Benefits
  • Anti-Ageing
  • Anti-Wrinkle
  • Firming
  • Antioxidant
  • Brightening
  • Hydrating
The AUTEUR Definitive Collagen Activator Serum enhances collagen synthesis, reducing wrinkle depth and improving skin density. Bio-optimised antioxidants protect against environmental damage, while peptides boost firmness and elasticity, revealing more sculpted contours.
Read more
The AUTEUR Definitive Collagen Activator Serum enhances collagen synthesis, reducing wrinkle depth and improving skin density. Bio-optimised antioxidants protect against environmental damage, while peptides boost firmness and elasticity, revealing more sculpted contours.
Read less

30 ml

£275
You could earn With this purchase
Free next working day delivery when you spend £75
Complimentary samples when you spend £150

More Info

  • - + Who it is for
  • - + How to Apply
  • - + Ingredients
  • - + Smell & Texture
  • - + Who it is for
  • - + How to Apply
  • - + Ingredients
  • - + Smell & Texture
Who it is for
Green tick
For you if

Volume Loss

Wrinkles

Loss of Firmness

Dull Skin

Dehydrated Skin

Red Cross
Not For you if

Sensitive

Pregnant / Nursing

Can't Tolerate High-Active Ingredients

How to Apply
For optimal results, gently massage one pump of the Definitive Collagen Hyaluron Activator to the cleansed skin of the entire face, neck, and décolleté.
Ingredients

Scroll down the page for a full breakdown of the active ingredients.


Aqua / Water, Polyglyceryl-2 Stearate, Glyceryl Stearate, Stearyl Alcohol, Octyldodecyl Oleate, Octyldodecyl Stearoyl Stearate, Polyhydroxystearic Acid, Octyldodecanol, Propanediol, Psidium Guajava Leaf Extract, Saccharomyces Lysate Extract, Glycerin, Palmitoyl Tripeptide-5, Dipeptide Diamminobutyroyl Benzamide Diacetate, Gigartina Stellata Extract, Phenoxyethanol.


Please note: The ingredients listed in this product are subject to change as the formulation is updated. We aim to update the INCI list as soon as possible, but we encourage you to read the ingredient list on the product itself to ensure it's suitable for your personal use.

Smell & Texture

Smells Like: It has a light, clean, and botanical scent.

Texture: A lightweight creamy-serum texture.

The Benefits

  • - + Anti-Ageing (Senescence)
  • - + Anti-Wrinkle
  • - + Firming
  • - + Antioxidant
  • - + Brightening
  • - + Hydrating
Anti-Ageing (Senescence)

The advancement in anti-ageing skincare now enables us to combat cellular senescence—a state where cells stop dividing but remain metabolically active, continuing processes like protein synthesis. This means that while these cells no longer contribute to tissue renewal, they still engage in metabolic activities, producing proteins and other molecules that can affect the surrounding tissue. Skin senescence is triggered by factors such as stress, poor diet, lack of sleep, DNA damage, inflammation, and genetic predisposition. Over time, the accumulation of these senescent cells accelerates ageing by secreting harmful compounds that cause inflammation and damage surrounding tissues and cells. Innovative technologies in anti-ageing skincare can now target cellular senescence using advanced actives to inhibit senescence-associated markers and promote cell regeneration. By regenerating skin cells, these products reduce visible signs of ageing, such as wrinkles, sagging, and discoloration, while enhancing skin resilience and overall health.

  • - + Anti-Ageing (Senescence)
  • - + Anti-Wrinkle
  • - + Firming
  • - + Antioxidant
  • - + Brightening
  • - + Hydrating
Anti-Wrinkle

Anti-wrinkle products work to smooth out fine lines and wrinkles by boosting collagen and elastin, essential proteins that keep your skin glowing. Collagen helps reduce wrinkle depth, while elastin shortens their length. Keeping your skin hydrated is crucial, as dehydration can make wrinkles more noticeable. For smooth, bouncy skin, ensure you stay well-hydrated and use products that promote collagen and elastin production.

  • - + Anti-Ageing (Senescence)
  • - + Anti-Wrinkle
  • - + Firming
  • - + Antioxidant
  • - + Brightening
  • - + Hydrating
Firming

Skin firming focuses on boosting your skin's elasticity and tightness to reduce sagging and wrinkles, leaving your skin looking firmer. This is done by stimulating fibroblasts to produce more elastin, the protein that helps your skin stretch and bounce back. To keep your skin firm longer, antioxidants protect these elastin fibres from free radical damage, which can cause early breakdown. This combined action helps maintain a youthful, resilient complexion.

  • - + Anti-Ageing (Senescence)
  • - + Anti-Wrinkle
  • - + Firming
  • - + Antioxidant
  • - + Brightening
  • - + Hydrating
Antioxidant

Antioxidant Protection shields your skin and preserves its youthful glow. It refers to a defence system that protects against harmful molecules and keeps your complexion healthy and radiant. Free radicals, those incredibly reactive molecules, come from everyday sources like sunlight, diet, smoking, and pollution. They attack healthy cells, accelerating skin ageing, causing wrinkles, loss of firmness, pigmentation, and dullness.

Incorporating antioxidants, such as vitamins C and E, into your skincare routine creates a protective shield on your skin. These powerful ingredients neutralise free radicals, preventing them from causing damage. The result is skin that stays youthful, firm, and luminous.

  • - + Anti-Ageing (Senescence)
  • - + Anti-Wrinkle
  • - + Firming
  • - + Antioxidant
  • - + Brightening
  • - + Hydrating
Brightening

Brightening your skin means restoring its natural glow. One of the best ways to do this is through exfoliation. By exfoliating, you promote faster skin cell turnover, replacing old, damaged cells with fresh, radiant ones. This keeps your skin looking vibrant and healthy.

  • - + Anti-Ageing (Senescence)
  • - + Anti-Wrinkle
  • - + Firming
  • - + Antioxidant
  • - + Brightening
  • - + Hydrating
Hydrating

Hydration is all about the water content in your skin that keeps it supple and healthy. Humectants, ingredients with water-binding properties, deliver this hydration by attracting water molecules from the atmosphere. For the best results, apply hydrating serums right after a shower. Humectants not only replenish your skin's hydration but also enhance its water retention, creating a long-lasting hydration reservoir. Adding humectants like hyaluronic acid to your routine will restore your skin's healthy glow, minimize fine lines, and provide a plumping effect.

  • - + Anti-Ageing (Senescence)
  • - + Anti-Wrinkle
  • - + Firming
  • - + Antioxidant
  • - + Brightening
  • - + Hydrating

Active Ingredients

  • - + Growth Factor Tripeptide
  • - + Collagen Peptide Complex
  • - + Peony Root Extract
  • - + Biologically Optimised Guava
  • - + Glycerin
Growth Factor Tripeptide

A synthetic tripeptide that mimics the body's Transforming Growth Factor Beta (TGF-β) pathway to stimulate collagen biosynthesis. By activating fibroblast activity, it not only enhances new collagen formation but also shields existing collagen from enzymatic degradation. It supports its ability to restore skin’s firmness and elasticity, yielding visibly smoother and more structured skin.

  • - + Growth Factor Tripeptide
  • - + Collagen Peptide Complex
  • - + Peony Root Extract
  • - + Biologically Optimised Guava
  • - + Glycerin
Collagen Peptide Complex

A biomimetic peptide complex designed to replicate the skin’s natural collagen synthesis process, enhancing both production and structural integrity. By increasing collagen stability in mature skin, it reinforces the extracellular matrix, improving dermal density, elasticity, and reducing the appearance of fine lines and wrinkles. Studies indicate its role in promoting organised collagen fibrillogenesis, supporting a firmer, more plump skin architecture.

  • - + Growth Factor Tripeptide
  • - + Collagen Peptide Complex
  • - + Peony Root Extract
  • - + Biologically Optimised Guava
  • - + Glycerin
Peony Root Extract

A potent antioxidant-rich botanical known for its melanogenesis-inhibiting properties. Peony root extract interferes with melanin production pathways to combat hyperpigmentation, while its anti-inflammatory capabilities mitigate oxidative stress and irritation. It effectively restores skin’s radiance and promotes a more even complexion by reducing the appearance of dark spots and redness.

  • - + Growth Factor Tripeptide
  • - + Collagen Peptide Complex
  • - + Peony Root Extract
  • - + Biologically Optimised Guava
  • - + Glycerin
Biologically Optimised Guava

A bioactive extract engineered to counteract cellular senescence—one of the primary drivers of skin ageing. By targeting and reducing the accumulation of senescent cells, it minimises chronic inflammation, a key factor in skin dullness and degradation. Additionally, its antioxidant-rich composition aids in neutralising oxidative stress, contributing to brighter, more revitalised skin.

  • - + Growth Factor Tripeptide
  • - + Collagen Peptide Complex
  • - + Peony Root Extract
  • - + Biologically Optimised Guava
  • - + Glycerin
Glycerin

Glycerin is a potent humectant commonly used in skincare for its powerful hydrating properties. It works by attracting water molecules from the atmosphere and retaining them in the deeper layers of the skin, effectively boosting hydration reservoir. This helps to plump up the skin, resulting in reduced dehydration lines and a soft, supple complexion.

  • - + Growth Factor Tripeptide
  • - + Collagen Peptide Complex
  • - + Peony Root Extract
  • - + Biologically Optimised Guava
  • - + Glycerin

Spotlight

Collagen Peptide Complex

This innovative biomimetic peptide complex is designed to replicate the biological mechanisms of collagen synthesis, targeting the structural foundation of the skin. By stimulating collagen production and ensuring its proper organization, it enhances dermal strength and elasticity while improving the extracellular matrix’s integrity. Clinical studies demonstrate its ability to promote structured collagen fibrillogenesis, leading to improved skin density, reduced wrinkle depth, and a more sculpted, youthful complexion. Furthermore, it works synergistically with the skin’s natural repair processes, aiding in long-term resilience, hydration, and barrier reinforcement.

Why I love it

  • Featuring high-end German skincare technology and powerful actives, I was astounded by the results. This is a new kind of luxury, who wouldn't want this on their bathroom shelf?

    X Natalie K-F

    Founder, Embassy of Beauty

    • Customer Reviews

    Based on 1 review
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    L
    Letitia
    Retinal night cream Autier

    Extremely powerful and gentle. Very anti aging. A beautiful brand. Expensive but high quality luxury to care for our skin.

    Auteur serum designed to stimulate collagen production, visibly firming and rejuvenating the skin. Packed with advanced peptides and growth factors, it delivers deep hydration while enhancing skin resilience—all in a sleek, modern bottle.
    Auteur

    Definitive Collagen Activator Serum

    £275

    The AUTEUR Definitive Collagen Activator Serum enhances collagen synthesis, reducing wrinkle depth and improving skin density. Bio-optimised antioxidants protect against environmental damage, while peptides boost firmness and elasticity, revealing more sculpted contours.

    View product