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PREVENTION & PROTECTION
SERUM

Chronophase
Day

PREVENTION & PROTECTION
SERUM

Taxes includedFree shipping over £170

This high-performance day serum is designed to meet the skin’s many needs throughout the day in a single, intelligent formula. Working in sync with your skin’s natural transition into protection mode, it delivers targeted hydration, strengthens the barrier, supports collagen, and enhances radiance before...

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PREVENTION & PROTECTION
SERUM

Chronophase
Day

PREVENTION & PROTECTION
SERUM

Key Benefits

▪ A multi-dimensional serum that addresses the skin’s complete daytime needs in one intelligent step.

▪ Defends against pollution, blue light, and oxidative stress

▪ Firms and supports collagen production

▪ Evens skin tone and helps prevent hyperpigmentation

▪ Deeply hydrates and restores plumpness

▪ Strengthens the skin barrier and boosts resilience

▪ Smooths fine lines and improves texture

▪ Calms and soothes skin exposed to daily stress

Full Ingredients List

AQUA (WATER), GLYCERIN, POLYGLYCERYL-10 LAURATE, SEA WATER, PHENOXYETHANOL, NIACINAMIDE, CHLORELLA VULGARIS EXTRACT, VACCINIUM VITIS-IDAEA FRUIT EXTRACT, SODIUM CARBOMER, SODIUM HYALURONATE, LECITHIN, SQUALANE, CAPRYLIC/CAPRIC TRIGLYCERIDE, PALMITOYL TRIPEPTIDE-38, ETHYLHEXYLGLYCERIN, HELIANTHUS ANNUUS (SUNFLOWER) SEED OIL, CITRIC ACID, PHENETHYL ALCOHOL, HYDROXYPROPYL CYCLODEXTRIN, AVENA SATIVA (OAT) KERNEL EXTRACT, LACTOBACILLUS FERMENT, XANTHAN GUM, CYSTOSEIRA TAMARISCIFOLIA EXTRACT, SACCHARIDE ISOMERATE, LACTIC ACID, ALCOHOL GLUCONOLACTONE, SODIUM CARRAGEENAN, POTASSIUM PHOSPHATE, SODIUM BENZOATE, , POTASSIUM SORBATE, ROSMARINUS OFFICINALIS (ROSEMARY) LEAF EXTRACT, CALCIUM GLUCONATE, MARIS SAL (SEA SALT).

Clinical Studies

Our high-performance formulas combine marine biotechnology with scientifically advanced, plant-based actives, selected for their proven effectiveness. They deliver exactly what your skin needs at different times of the day, providing transformative results.

  • 90% reduction in melanin formation within 2 weeks.
  • 26% reduction in the appearance of wrinkles within 4 weeks.
  • +25% improvement in barrier function repair within 4 weeks.
  • +24% increase in skin density within 4 weeks.

Based on a 4-week clinical study with 20-50 volunteers aged 25-65.

Read the full results

How to Apply

Apply in the morning to clean, dry skin.

Dispense a few drops into your palms and gently pat onto face, neck, and décolleté. Follow with your preferred GEZEITEN Face Cream for the day, either Intensive Anti-Aging or Liquid Skin, depending on your skin's Needs, and finish with SPF.

Tip: No additional serums are needed - the precisely selected daytime actives address exactly what your skin needs in the morning.

How to Recycle

Glass bottle with mixed-material pipette. Empty completely and rinse lightly before recycling. Remove pipette; recycle bottle with glass. Dispose pipette components (PP and rubber) according to local recycling rules.

Complete The Routine

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CLINICAL TRIAL RESULTS

  • Reduced melanin formation by 90% within 2 weeks.
  • Improved evenness of the skin’s texture by 5,4% within 4 weeks.
  • Improved repairing ability of the barrier function by 25% within 4 weeks.
  • Reduced the appearance of wrinkles significantly by 26% within 4 weeks.
  • Improved skin density significantly by 24% within 4 weeks.
  • Improved skin moisturization by 13% within 4 weeks.
  • Reduced factors involved in inflammation by 26% within 4 weeks.
  • Reduced factors involved in tissue degradation by 52% within 4 weeks.
  • Reduced cellular oxidative stress by -44% within 4 weeks.

3-Dimensional decrease in wrinkles:

  • The appearance of forehead lines and wrinkles significantly reduced in volume up to -100% and in depth up to -62% within 8 weeks.
  • The appearance of crow's feet significantly reduced in wrinkle volume up to -21% and in depth up to -15% within 8 weeks.
  • Lifting effect on the forehead up to +77% within 8 weeks.
  • Lifting effect on the crow's feet up to +12.6% within 8 weeks.

Based on a 4-week clinical study of 20 – 50 volunteers aged from 25 to 65 years.USER TRIAL RESULTS

  • 87% agree skin looks brighter
  • 87% agree skin looks more even
  • 83% agree skin complexion is looks dramatically transformed

Based on 8-week clinical study of 25 female volunteers in the aged from 42 to 70 years.

Key Ingredients

Earth Marine Celltech Complex®

GEZEITEN’s patented bioadaptive marine complex delivers highly concentrated minerals, trace elements, and marine bioactives that support cellular vitality. It helps restore the skin’s osmotic balance, stabilizes the function of the cell nucleus, and enhances cellular communication. This strengthens the skin barrier, increases resistance to oxidative stress, and promotes a more hydrated, balanced, and visibly revitalized complexion.
Green Microalgae Extract (Biotech Chlorella Vulgaris)

Rich in antioxidants and up to 70% plant proteins, this green microalga protects against free radical damage, smooths wrinkles, and stimulates cellular regeneration through its unique Chlorella Growth Factor (CGF). With its wealth of proteins, peptides, and amino acids, it acts as a true skin energizer, boosting resilience against stress and environmental aggressors while supporting detoxifying processes for a youthful, healthy appearance.
Saccharide Isomerate (Biotech Marine Plankton Exopolysaccharides)

This unique marine-derived sugar complex works like a moisture magnet, binding to the skin for up to 72 hours of continuous hydration. It not only locks in water but also strengthens the skin barrier, ensuring long-lasting comfort and a plump, radiant look.
Rainbow Seaweed Extract (Cystoseira Tamariscifolia)

A rare algae from Brittany’s pristine coast, celebrated for its iridescent tones and its remarkable “melanobrake” effect. It slows down excessive melanin production to visibly reduce dark spots and balance uneven pigmentation. At the same time, it restores luminosity and shields the skin from oxidative stress. Clinical studies confirm a brighter, more even, and radiant complexion.
Cranberry Stem Cell Extract (Biotech Vaccinium Vitis-Idaea Fruit)

Derived from resilient Arctic cranberries, this advanced stem cell extract is packed with polyphenols and anthocyanins that deliver strong antioxidant defense. Clinically shown to protect against blue light–induced oxidative stress, it helps safeguard collagen, prevent premature cell damage, and maintain youthful vitality. Skin feels more resilient, smoother, and visibly radiant, even under daily digital and environmental stress.
Palmitoyl Tripeptide-38

A next-generation peptide that acts directly within the skin’s matrix, the structural framework responsible for firmness and elasticity. It stimulates the synthesis of collagen and hyaluronic acid, supporting the rebuilding of the skin’s support system from within. The result is visibly smoother skin with reduced wrinkle depth and a plumper, more youthful appearance.
Avena Sativa (Oat) Kernel Extract & Lactobacillus Ferment

This unique combination of oat extract and probiotic ferment provides soothing care for sensitive and stressed skin. It helps rebalance the skin’s microbiome, reducing redness and irritation while strengthening barrier function. The result is enhanced comfort, resilience, and long-term skin health.
Niacinamide (Vitamin B3)

A multitasking vitamin that strengthens the skin barrier and improves overall skin clarity. It regulates sebum production, minimizes the appearance of pores and impurities, and calms sensitivity. Niacinamide also supports natural ceramide and collagen synthesis, brightens uneven tone, and enhances elasticity and radiance - for a smoother, more balanced, and healthier-looking complexion.
Multi-Molecular Hyaluronic Acid Complex (Sodium Hyaluronate)

Combining different molecular sizes of hyaluronic acid, this complex hydrates at multiple skin levels, plumps fine lines, and enhances elasticity.
Squalane

A plant-derived, skin-identical lipid that mimics the skin’s natural sebum. It restores the skin’s moisture balance, improves elasticity, and reinforces the barrier. Its lightweight, non-comedogenic texture leaves the skin smooth and soft without any greasy residue.
Lactic Acid

A naturally occurring alpha-hydroxy acid (AHA) known for its dual action: it gently exfoliates dead skin cells to boost radiance, while also binding water to the skin for lasting hydration. It additionally helps balance the skin’s pH value, supporting a healthy barrier and improving overall skin comfort, making it suitable even for more sensitive skin types.

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