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Definitive Hyaluron Activator Serum

(7)
Definitive Hyaluron Activator Serum
Auteur
(7)
Benefits
  • Plumping
  • Anti-Wrinkle
  • Hydrating
  • Active Delivery
  • Barrier-Strengthening
  • Firming
  • Lifting
  • Regenerating
  • Anti-Pigmentation
  • Scar-Repairing
  • Brightening
  • Anti-Redness
  • Anti-PIH

The AUTEUR Definitive Hyaluron Activator Serum is a high-performance hydration treatment designed to restore optimal moisture levels, strengthen the skin barrier, and visibly improve smoothness, elasticity, and radiance. Engineered with advanced molecular hydration technology, this formula works across multiple layers of the skin to deliver both immediate plumping and long-term skin resilience.

A multi-weight hyaluronic complex — featuring Sodium Hyaluronate alongside advanced hydration actives—penetrates at different depths to attract and retain moisture, instantly smoothing fine lines while reinforcing long-term hydration. Collagen-supporting peptides help to improve firmness and elasticity, enhancing the skin’s structural integrity and promoting a more refined, supple appearance.

Niacinamide works to strengthen the skin barrier, refine texture, and improve overall tone, while Panthenol soothes and supports skin repair. Antioxidant ingredients help defend against environmental stressors, reducing signs of fatigue and supporting a healthier, more luminous complexion.

Glycerin and additional humectants draw moisture into the skin, while barrier-supporting lipids help to prevent transepidermal water loss, ensuring lasting hydration and comfort. The result is skin that feels deeply hydrated, visibly smoother, and more resilient.

Together, these precisely selected actives deliver a comprehensive approach to hydration and skin performance — plumping, strengthening and revitalising the skin.

Read more

The AUTEUR Definitive Hyaluron Activator Serum is a high-performance hydration treatment designed to restore optimal moisture levels, strengthen the skin barrier, and visibly improve smoothness, elasticity, and radiance. Engineered with advanced molecular hydration technology, this formula works across multiple layers of the skin to deliver both immediate plumping and long-term skin resilience.

A multi-weight hyaluronic complex — featuring Sodium Hyaluronate alongside advanced hydration actives—penetrates at different depths to attract and retain moisture, instantly smoothing fine lines while reinforcing long-term hydration. Collagen-supporting peptides help to improve firmness and elasticity, enhancing the skin’s structural integrity and promoting a more refined, supple appearance.

Niacinamide works to strengthen the skin barrier, refine texture, and improve overall tone, while Panthenol soothes and supports skin repair. Antioxidant ingredients help defend against environmental stressors, reducing signs of fatigue and supporting a healthier, more luminous complexion.

Glycerin and additional humectants draw moisture into the skin, while barrier-supporting lipids help to prevent transepidermal water loss, ensuring lasting hydration and comfort. The result is skin that feels deeply hydrated, visibly smoother, and more resilient.

Together, these precisely selected actives deliver a comprehensive approach to hydration and skin performance — plumping, strengthening and revitalising the skin.

Read less

50 ml

£275
MyEB
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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

Dehydrated Skin

Volume Loss

Wrinkles

Red Cross
Not For you if
How to Apply
Lightly massage a small amount into clean, dry skin using tapping and pressing movements until completely absorbed. Allow the serum to dry before applying your preferred cream.
Ingredients

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

Aqua/Water, Pentylene Glycol, Sodium Lactate, Sodium PCA, Urea, Xanthan Gum, Lactic Acid, Sodium Hyaluronate, Butylene Glycol, Allantoin, Alpinia Galanga Extract, Sodium Acetylated Hyaluronate, Caprylic/Capric Triglyceride, Caprylyl Glycol, Sodium Hyaluronate Crosspolymer, Acetyl Glutamine, Lecithin, Tripeptide-10 Citrulline, Hydrolyzed Sodium Hyaluronate, Magnolia Officinalis Bark Extract, Paeonia Lactiflora Root Extract, 1,2 Hexanediol, Bacillus/Folic Acid Ferment Extract, sh-Oligopeptide-1, sh-Oligopeptide-2, sh-Polypeptide-1, sh-Polypeptide-11, sh-Polypeptide-9


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: A neutral scent

Texture: A watery and light gel-like 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

  • - + Plumping
  • - + Reduces Trans Epidermal Water Loss
  • - + Anti-Wrinkle
  • - + Hydrating
  • - + Active Delivery
  • - + Skin Barrier Strengthening
  • - + Firming & Lifting
  • - + Regenerating
  • - + Anti-Pigmentation
  • - + Scar-Repairing
  • - + Brightening (Energising)
  • - + Anti-Redness
  • - + Anti-PIH (Post-Inflammatory Pigmentation)
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.

Reduces Trans Epidermal Water Loss

Reducing Trans Epidermal Water Loss (TEWL) is key to maintaining your skin’s optimal hydration levels. By strengthening your skin’s natural barrier, these ingredients prevent water from escaping, keeping your skin well-hydrated and plump. The result is a smoother, more supple complexion with improved texture and resilience, giving you a healthier, more radiant look.

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.

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.

Active Delivery

Active Delivery skincare involves advanced technologies designed to boost the absorption and effectiveness of active ingredients deep within your skin's layers. These enhancements ensure that other ingredients deliver their powerful benefits precisely where they're needed most. By overcoming the common issue of low permeability in many effective ingredients, active delivery ingredients maximise the unique benefits and visible results of your skincare routine.

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.

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.

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-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.

Anti-PIH (Post-Inflammatory Pigmentation)

Anti-PIH treatments are designed to target post-inflammatory hyperpigmentation—those lingering dark marks that appear after inflammation or skin injury, such as acne. These advanced formulations work on multiple levels: calming inflammation, accelerating skin repair, and promoting healthy regeneration while inhibiting excess melanin production. By combining growth factors with exfoliating actives, they stimulate cellular renewal and optimise the skin’s natural healing processes. This dual approach not only helps fade existing discoloration more effectively but also prevents new marks from forming.

  • - + Plumping
  • - + Reduces Trans Epidermal Water Loss
  • - + Anti-Wrinkle
  • - + Hydrating
  • - + Active Delivery
  • - + Skin Barrier Strengthening
  • - + Firming & Lifting
  • - + Regenerating
  • - + Anti-Pigmentation
  • - + Scar-Repairing
  • - + Brightening (Energising)
  • - + Anti-Redness
  • - + Anti-PIH (Post-Inflammatory Pigmentation)

Active Ingredients

  • - + 5 Hyaluronic Complex
  • - + Collagen Organising Peptide
  • - + Allantoin
  • - + Biomimetic Placenta
  • - + Hyalufix™
5 Hyaluronic Complex

Hyaluronic Complex includes 5 different molecular weights of Hyalurons ranging from ultra-low too high for and instant boost of hydration, increased skin firmness and elasticity and long-lasting plumping results.

Hyaluronic Complex includes:

Cross-linked Hyaluronic Acid or Sodium Hyaluronate Crosspolymer, forms a three-dimensional mesh-like structure on the skin's surface. This unique structure acts as a breathable hydration barrier, helping to increase water retention by blocking trans epidermal water loss (TEWL). Cross-linked hyaluronic acid also has wrinkle-filling and skin-softening effect.

Medium Molecular Weight Hyaluronic Acid or Sodium Acetylated Hyaluronate, occupies a unique position between high and low molecular weight hyaluronic acids, boosting skin hydration in the middle layers of the skin. It complements and enhances hydrating plumping results from famous Low and High Hyaluronic Acids, giving the skin even more suppleness and volume. It's in particularly good for those who have hollow faces due to density loss.

Low Molecular Weight Hyaluronic Acid or Sodium Hyaluronate, is a salt for derived from naturally occurring hyaluronic acid. Sodium hyaluronate has a low molecular size which allows it to penetrate the skin deeper and more effectively. Sodium hyaluronate has superior hydrating and skin-plumping benefits. Increased skin hydration also contributes to efficient desquamation, supporting the skin's natural renewal cycle.

Ultra-Low Molecular Weight or Hydrolyzed Hyaluronic Acid penetrates the skin the faster and the deepest compared to other forms. This provide ultra hydrating and plumping results. Additionally it can enhance collagen and elastin synthesis by stimulating fibroblast activity, resulting in firmer, denser and smoother looking skin.

Collagen Organising Peptide

Collagen Organising Peptide, also known as Decorinyl, replicates the function of Decorin, a protein involved in regulating fibrillogenesis, which is essential for collagen formation. By mimicking, Decorinyl enhances the organisation and quality of collagen fibres in the skin. Using a liposomal delivery system (a method of transporting active skincare ingredients to enhance their penetration for improved efficacy) Decorinyl penetrates deeply into the skin's lower layers, ensuring rapid and efficient results. This process helps improve skin structure and firmness, promoting a smoother and more youthful appearance.

Allantoin

Allantoin is a natural plant derivative, widely used in skincare for its soothing, hydrating, softening and healing properties.

Biomimetic Placenta

Biomimetic Placenta contains key Growth Factors similar to those in the human placenta, aiding in cell growth and skin regeneration. This helps heal and reduce post-acne hyperpigmentation (PIH) and scarring. Additionally, it boosts collagen and elastin production, enhancing skin elasticity and firmness while reducing fine lines and wrinkles.

Hyalufix™

Hyalufixô, also known as Galanga Leaf Extract, is a powerful active ingredient that stimulates fibroblasts in the skin to enhance the production of natural Hyaluronic Acid. This promotes hydration, plumpness, and elasticity of the skin. Hyaluronic Acid is naturally produced in the deeper layers of the skin, where it helps maintain skin density and structural integrity. It also acts as a hydration reservoir, nourishing the upper layers of the skin and contributing to a smooth and supple complexion. This active ingredient is important because it supports the skin's moisture barrier and helps maintain its youthful appearance by boosting natural hydration levels and skin elasticity.

  • - + 5 Hyaluronic Complex
  • - + Collagen Organising Peptide
  • - + Allantoin
  • - + Biomimetic Placenta
  • - + Hyalufix™
The Auteur's Hyaluronic Complex

Auteur’s Hyaluronic Complex is a potent hydrating blend targeting multiple skin layers. Its key benefits include deep, long-lasting hydration and anti-ageing protection. It combines four types of hyaluronic acid: Sodium Hyaluronate for deep epidermal moisture, Hydrolysed Sodium Hyaluronate (miniHA) for enhanced plumping, Sodium Acetylated Hyaluronate for water retention and collagen support, and Sodium Hyaluronate Crosspolymer for prolonged surface hydration. This blend of different molecular weights gives a noticeable boost in skin smoothness and moisture retention. Auteur’s powerful yet gentle complex ensures comprehensive hydration and anti-ageing results, leaving skin plump and rejuvenated.

Spotlight

The Auteur's Hyaluronic Complex

Auteur’s Hyaluronic Complex is a potent hydrating blend targeting multiple skin layers. Its key benefits include deep, long-lasting hydration and anti-ageing protection. It combines four types of hyaluronic acid: Sodium Hyaluronate for deep epidermal moisture, Hydrolysed Sodium Hyaluronate (miniHA) for enhanced plumping, Sodium Acetylated Hyaluronate for water retention and collagen support, and Sodium Hyaluronate Crosspolymer for prolonged surface hydration. This blend of different molecular weights gives a noticeable boost in skin smoothness and moisture retention. Auteur’s powerful yet gentle complex ensures comprehensive hydration and anti-ageing results, leaving skin plump and rejuvenated.

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 Hyaluron Activator Serum 50ml
    Auteur

    Definitive Hyaluron Activator Serum

    £275

    The AUTEUR Definitive Hyaluron Activator Serum is a high-performance hydration treatment designed to restore optimal moisture levels, strengthen the skin barrier, and visibly improve smoothness, elasticity, and radiance. Engineered with advanced molecular hydration technology, this formula works across multiple layers of the skin to deliver both immediate plumping and long-term skin resilience.

    A multi-weight hyaluronic complex — featuring Sodium Hyaluronate alongside advanced hydration actives—penetrates at different depths to attract and retain moisture, instantly smoothing fine lines while reinforcing long-term hydration. Collagen-supporting peptides help to improve firmness and elasticity, enhancing the skin’s structural integrity and promoting a more refined, supple appearance.

    Niacinamide works to strengthen the skin barrier, refine texture, and improve overall tone, while Panthenol soothes and supports skin repair. Antioxidant ingredients help defend against environmental stressors, reducing signs of fatigue and supporting a healthier, more luminous complexion.

    Glycerin and additional humectants draw moisture into the skin, while barrier-supporting lipids help to prevent transepidermal water loss, ensuring lasting hydration and comfort. The result is skin that feels deeply hydrated, visibly smoother, and more resilient.

    Together, these precisely selected actives deliver a comprehensive approach to hydration and skin performance — plumping, strengthening and revitalising the skin.

    View product