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Definitive Collagen Activator Serum

(2)
Definitive Collagen Activator Serum
Auteur
(2)
Benefits
  • Firming
  • Lifting
  • Plumping
  • Barrier-Strengthening
  • Anti-Wrinkle
  • Regenerating
  • Anti-Pigmentation
  • Scar-Repairing
  • Brightening
  • Cellular Anti-Ageing
  • Anti-Redness
  • Hydrating

Auteur Definitive Collagen Activator Serum is a cutting-edge collagen-boosting treatment that transforms skin strength, tone and elasticity for a visibly firmer, smoother and more resilient complexion.

A powerful Peptide Complex featuring Growth Factor Tripeptide works in synergy with Guava Phyto-Extract and Peony Root Extract to stimulate new collagen and elastin production, refine texture, and reduce wrinkle depth, restoring a youthful density and bounce.

Bio-optimized antioxidants and anti-inflammatory agents help neutralise free radicals, protect against environmental aggressors and reduce micro-inflammation that contributes to collagen breakdown.

Read more

Auteur Definitive Collagen Activator Serum is a cutting-edge collagen-boosting treatment that transforms skin strength, tone and elasticity for a visibly firmer, smoother and more resilient complexion.

A powerful Peptide Complex featuring Growth Factor Tripeptide works in synergy with Guava Phyto-Extract and Peony Root Extract to stimulate new collagen and elastin production, refine texture, and reduce wrinkle depth, restoring a youthful density and bounce.

Bio-optimized antioxidants and anti-inflammatory agents help neutralise free radicals, protect against environmental aggressors and reduce micro-inflammation that contributes to collagen breakdown.

Read less

30 ml

$330
Free Delivery
($150)
Free Samples
($275)
Spend $150 more for Free Delivery

More Info

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

Volume Loss

Wrinkles

Loss of Firmness

Dull Skin

Dehydrated Skin

Oily Tendency Skin

Non-Comodogenic

Red Cross
Not For you if
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.

About the Brand
Brand logo
Launched in Germany in 2021, AUTEUR is a luxury skincare house dedicated to advanced anti-ageing. Working with leading scientists, the line merges epigenetic research with potent concentrations of proven actives. Each formula targets the root causes of ageing, rebuilding skin structure, smoothing wrinkles, and improving elasticity. Every product is extremely powerful, designed for maximum potency and visible transformation. The result is high-performance treatments with lasting results.

No other brand marries high-end German skincare technology with such a breadth of actives to deliver transformative results. Each product boasts an unprecedented concentration of ingredients, so every pump provides a multifaceted treatment that tackles multiple skin concerns at once. This clinically driven approach yields dramatic improvements where conventional routines plateau, delivering visible regeneration and smoothing from the very first application.

AUTEUR’s formulations are rooted in biomedical science and engineered for performance. Advanced encapsulated peptide technology delivers potent molecules deep into the skin for optimal repair. Each formula unites growth factors, antioxidants, probiotics, and ceramides to stimulate collagen, calm inflammation, and fortify the barrier, accelerating renewal and delivering cumulative, clinically proven results.

The Benefits

  • - + Firming & Lifting
  • - + Plumping
  • - + Prevents Collagen Breakdown
  • - + Skin Barrier Strengthening
  • - + Anti-Wrinkle
  • - + Regenerating
  • - + Anti-Pigmentation
  • - + Scar-Repairing
  • - + Brightening (Energising)
  • - + Anti-Ageing (Senescence)
  • - + Anti-Redness
  • - + Hydrating
Firming & Lifting

Firming & Lifting skincare is designed to restore strength, structure, and definition to the skin, creating a visibly tighter, more sculpted appearance. As the skin loses collagen and elasticity over time, it can begin to soften and sag, losing its natural contours. Advanced formulations work to rebuild this support from within—boosting firmness while helping to visibly lift and redefine the skin. The result is a smoother, more toned complexion with enhanced bounce and resilience, where facial contours appear sharper and elevated.

Plumping

Plumping involves using active ingredients to boost the production of key structural components like collagen, the dermal-epidermal junction and glycosaminoglycans (GAGs), giving your skin more volume and density. Collagen provides structural support and firmness, while the dermal-epidermal junction, a thin connective layer, ensures smooth, wrinkle-free skin by facilitating cell communication. GAGs, like hyaluronic acid, keep your skin hydrated and plump from within. By stimulating these components, active ingredients help restore your skin's plumpness and radiance.

Prevents Collagen Breakdown

By preventing collagen breakdown (Collagenase), you preserve your skin's firmness and elasticity. Inhibiting the enzymes that degrade collagen helps maintain the skin's structural integrity, reducing the appearance of fine lines and wrinkles. This promotes a firmer, more lifted complexion. The result is resilient, plump skin that defies the signs of ageing, keeping you looking youthful and radiant.

Skin Barrier Strengthening

Strengthening your skin barrier involves replenishing the key elements in the top layer of your skin (stratum corneum), leading to a stronger and healthier barrier. These essential elements include lipids (ceramides, fatty acids, and cholesterol) and Natural Moisturizing Factors (amino acids, hyaluronic acid, etc.). Various factors, such as incorrect skincare use, seasonal changes, and aesthetic treatments, can damage your skin barrier. When this happens, your skin loses excess water through Trans Epidermal Water Loss (T.E.W.L) and becomes less capable of defending against environmental stressors, resulting in dryness, sensitivity, and irritation.

A healthy skin barrier is crucial for overall skin health as it helps prevent hydration loss, protects against environmental damage, and reduces the risk of skin conditions like eczema and acne. By strengthening your skin barrier, you ensure your skin remains well-hydrated, resilient, and protected.

Anti-Wrinkle

Anti-wrinkle skincare is focused on both preventing and visibly reducing the formation of lines by targeting the structural and dynamic causes of wrinkles within the skin. Fine lines and deeper wrinkles develop as collagen and elastin decline, cell turnover slows and repeated facial movements create creases that become etched over time. Advanced formulations address these mechanisms through a combination of elastin-stimulating actives, smoothing peptides that help relax the appearance of expression lines, and deeply hydrating ingredients that plump the skin from within. By reinforcing the skin’s architecture while softening surface contractions and improving elasticity, anti-wrinkle skincare delivers a visibly smoother complexion.

Regenerating

Regenerating skincare actively stimulates the formation of new, healthier skin, working in alignment with the skin’s innate renewal processes. Central to this are growth factors—effectively encouraging the development of new skin tissue. Peptides complement this by acting as targeted messengers guiding the skin to rebuild with greater strength and structural integrity. Stem cell–derived actives further support this environment by delivering protective and regenerative signals that optimize cellular function and renewal. While these mechanisms are synonymous with advanced anti-ageing—improving firmness, elasticity and overall skin quality—they are equally valuable in addressing scarring, as they promote tissue repair, accelerate regeneration and help restore a smoother, more even skin surface.

Anti-Pigmentation

Dealing with pigmentation means targeting melanin overproduction to reduce dark spots and prevent new ones. Melanin production can be triggered by UV exposure, pollution, hormonal changes (like during pregnancy), and inflammation (from acne or cuts). This excess pigment is then transferred to surrounding cells in epidermis called keratinocytes, which then moves to the skin's surface, causing visible dark spots.

To treat hyperpigmentation, a personalised and consistent approach is needed. Our anti-pigmentation products include lightening agents to block tyrosinase (the enzyme that creates melanin), antioxidants to fight free radicals, and ingredients to speed up skin cell turnover, removing pigmented cells. Using broad-spectrum sun protection is crucial to prevent new pigmentation during treatment.

Scar-Repairing

Anti-Scarring skincare targets the textured scars left by acne breakouts. These scars form due to inflammation disrupting collagen and elastin fibres leading to uneven healing and indented areas. Anti-Scarring actives harness growth factors and exfoliating actives to stimulate cell repair and regeneration, optimising the skin's healing process to reduce scar formation. They also effectively diminish older scars, improving overall skin texture and leaving you with a smoother complexion and significantly reduced scar visibility.

Brightening (Energising)

Brightening skincare involves using active ingredients to boost your blood circulation, detoxification and cellular energy. Improved blood circulation brings more essential nutrients and oxygen to your skin, while detoxification helps eliminate cell waste and impurities that can make your skin look dull. Certain active ingredients also enhance your skin's metabolism and regeneration. These combined actions restore your skin's vitality and radiant appearance, giving you a fresh, energised complexion.

Anti-Ageing (Senescence)

Anti-senescence skincare represents a new frontier in skin longevity, focusing on slowing and reversing the accumulation of “retired” cells that no longer contribute to renewal but actively accelerate ageing. These senescent cells release inflammatory signals and degradative enzymes that weaken the skin’s structure, leading to loss of firmness, uneven tone, and the formation of wrinkles. Advanced anti-senescence formulations are designed to target this process at a cellular level—helping to limit the formation of these dysfunctional cells, neutralize their harmful effects, and support the regeneration of healthy, active ones. By restoring a more youthful cellular environment, this approach goes beyond traditional anti-ageing, promoting skin that appears smoother, stronger, and visibly revitalized over time.

Anti-Redness

Anti-Redness skincare is all about reducing and preventing facial or body redness, which can result from irritation, skin conditions, compromised barriers, and hormonal changes. A targeted approach with multiple strategies works best for tackling redness. Anti-Redness formulations include active ingredients that soothe and strengthen your skin barrier. Their anti-inflammatory and antioxidant properties calm inflammation and protect against environmental irritants. Additionally, these ingredients have vasoconstrictive properties, meaning they reduce blood vessel dilation to lessen redness. Together, these actions help achieve a more even-toned, balanced complexion that's less prone to redness flare-ups.

Hydrating

Hydration is a fundamental part of healthy skincare, focusing on maintaining and restoring the skin’s water content. Well-hydrated skin appears plump, smooth and radiant, while dehydration can lead to dullness, tightness, fine lines and increased sensitivity.
Hydrating the skin can work through a fascinating mix of ingredients with different roles. Humectants like hyaluronic acid and glycerin act like water magnets, pulling water into the skin to instantly plump and smooth, while Natural Moisturizing Factors (NMFs)—such as urea, amino acids and sodium PCA—mimic the skin’s own hydration system, helping it hold onto water and stay balanced from within.
Adding humectants like hyaluronic acid to your routine will restore your skin's healthy glow, minimize fine lines, and provide a plumping effect.

  • - + Firming & Lifting
  • - + Plumping
  • - + Prevents Collagen Breakdown
  • - + Skin Barrier Strengthening
  • - + Anti-Wrinkle
  • - + Regenerating
  • - + Anti-Pigmentation
  • - + Scar-Repairing
  • - + Brightening (Energising)
  • - + Anti-Ageing (Senescence)
  • - + Anti-Redness
  • - + Hydrating

Active Ingredients

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

The Collagen Segment, composed of three amino acids, acts as building blocks for collagen protein. It stimulates skin cells to increase production of collagen, elastin, and hyaluronic acid, leading to increased skin plumpness and improved elasticity, which helps reduce wrinkles and tone the skin.

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.

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. In addition, its anti-inflammatory properties help calm sensitised or stressed skin, reducing visible redness while strengthening the skin’s natural defence and resilience for healthier-looking skin over time.

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.

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.

  • - + Collagen Segment
  • - + Growth Factor Tripeptide
  • - + Biologically Optimised Guava
  • - + Peony Root Extract
  • - + Glycerin
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.

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

  • Auteur Definitive Collagen Activator Serum 30ml
    Auteur

    Definitive Collagen Activator Serum

    $330

    Auteur Definitive Collagen Activator Serum is a cutting-edge collagen-boosting treatment that transforms skin strength, tone and elasticity for a visibly firmer, smoother and more resilient complexion.

    A powerful Peptide Complex featuring Growth Factor Tripeptide works in synergy with Guava Phyto-Extract and Peony Root Extract to stimulate new collagen and elastin production, refine texture, and reduce wrinkle depth, restoring a youthful density and bounce.

    Bio-optimized antioxidants and anti-inflammatory agents help neutralise free radicals, protect against environmental aggressors and reduce micro-inflammation that contributes to collagen breakdown.

    View product