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DISCOVER KÉRASTASE CHRONOLOGISTE:
ADVANCED HAIRCARE FOR AGEING HAIR

Introducing the new Chronologiste range: Key takeaways

• Kérastase’s most advanced anti‑ageing ritual, designed to reverse 5 visible signs of hair ageing: dryness, dullness, frizz, lack of volume, and thinning.
• Powered by luxury ingredients like Hyaluronic Acid, Abyssine, Pro‑Xylane™ and Ochrophyta Algae, it targets both scalp and fibre for long‑term vitality.
• The 4‑step routine, Bain Régénérant, Masque Intense, Overnight Youth Serum and L’Huile de Parfum, revitalises, strengthens & restores youthful bounce.
• The signature fragrance is fresh, floral and warm, with citrus top notes, a refined floral heart, and a sensual musky‑patchouli base.
• Loved by women 50+, Chronologiste champions confidence, longevity and elevated self‑care, helping hair look and feel youthful for longer.

In the dynamic world of beauty, innovation is constant, but every so often, a paradigm shift occurs. We've long focused on "anti-ageing" for skin, but now, a new frontier is emerging: sustaining hair's prime. Kérastase is at the forefront of this revolution with its Chronologiste range, which moves beyond merely counteracting the visible signs of time to actively prolonging the hair's inherent youth and vitality. This isn't just about looking younger; it's about optimising hair health at its very core, driven by an impressive blend of cutting-edge science and luxurious care. The modern woman over 50 is redefining age. She's vibrant, engaged, and confidently living longer and better. From fashion icons gracing covers to influential public figures, these women are celebrated for their wisdom, style, and unapologetic authenticity. Yet, while their spirit remains ageless, their hair, like their skin, tells a story of time. Kérastase understands this nuanced reality, and with the Chronologiste range, it offers these discerning women not just a product, but a luxurious, empowering ritual designed to honour their journey and celebrate the enduring beauty of their hair.

Here, we’ll cover:
• The science behind the new Chronologiste range
• Products in the range
• Chronolgiste ingredients
• Chronologiste fragrance
• What people say

THE SCIENCE BEHIND CHRONOLOGISTE

Just like our skin, hair undergoes a complex ageing process. Kérastase's research dives deep into the "invisible root causes" of hair ageing, identifying several critical factors:

These internal processes manifest as the "5 signs of hair ageing":

DRYNESS
DULLNESS
FRIZZ
LACK OF VOLUME
THINNING

The Chronologiste philosophy recognises that to truly combat these visible signs of ageing, we must address their biological origins.

Targeted Action Summary:

SIGN OF AGEING	CHRONOLOGISTE TARGETED ACTION	HERO INGREDIENT
Thinning	Boosts fiber diameter and density	Pro-Xylane™
Dryness	1000x moisture retention for scalp & fiber	Hyaluronic Acid
Dullness	Deep cuticle smoothing and light reflection	Abyssine
Frizz	Restores elasticity and moisture barrier	Ochrophyta Algae
Lack of Volume	Internal plumping of each hair strand	Hyaluronic Acid

KÉRASTASE CHRONOLOGISTE INGREDIENTS: YOUTH REVITALISING CARE

At the heart of the Chronologiste range lies a powerful combination of ingredients, meticulously selected for their synergistic effects on promoting hair's lasting health:

Hyaluronic Acid: Equally transformative in hair youth revitalising care, serving as an exceptional humectant that works to replenish and retain moisture at an unparalleled level. This powerful molecule acts like a magnet for hydration, drawing up to 1,000 times its weight in water to both the scalp and the hair fibre. For the scalp, this intense hydration creates an optimal, balanced micro-environment, essential for healthy hair growth and mitigating dryness that can contribute to scalp discomfort and fragility. When applied to the hair fibre, Hyaluronic Acid penetrates deeply, plumping each strand from within. This internal plumping action directly addresses concerns of thinning and lack of volume, helping to restore a youthful fullness and density to the hair. By ensuring optimal moisture levels, it significantly improves hair's elasticity, making it more supple and less prone to breakage, while also smoothing the cuticle to reduce frizz and enhance natural shine.

Abyssine: Discovered in the depths of the Pacific Ocean's volcanic rifts, Abyssine is a truly exceptional and resilient molecule renowned for its remarkable regenerative and protective properties. Abyssine plays a pivotal role in hair youth revitalisation by acting as a powerful bioconverter, fortifying both the scalp and the hair fibre against the ravages of time and environmental aggressors. For the scalp, it offers profound soothing benefits, calming irritation and contributing to a balanced, healthier foundation that supports stronger hair growth. On the hair fibre, Abyssine works to reinforce the integrity of each strand, enhancing its innate resistance and resilience. This strengthening action directly combats issues of fragility and breakage, which are common signs of ageing hair. Its ability to shield the hair from oxidative stress and external damage helps to preserve the hair's natural vitality and colour vibrancy.

DISCOVER THE CHRONOLOGISTE RANGE: 4-STEP ROUTINE

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PRO-XYLANE™ + OCHROPHYTA ALGAE

The Chronologiste range is designed to provide comprehensive care for hair showing signs of ageing, from cleansing to a luxurious finishing touch.

Bain Régénérant, a revitalising gel-textured shampoo designed to deeply cleanse both hair and scalp while delivering essential nutrients.

Masque Intense Régénérant, a rich balm-textured mask providing an intensive treatment for deep repair and revitalisation.

Overnight Youth Serum, a white gel-formula serum designed to work while you sleep, reversing key signs of hair ageing.

L’huile de parfum, a luxurious oil that serves as the final step in the ritual, imparting an exquisite, long-lasting fragrance and a touch of shine.

HERO PRODUCT FOR
SUSTAINED BEAUTY

OVERNIGHT YOUTH SERUM

Imagine waking up to hair that feels visibly transformed. Central to this luxurious experience is the hero serum designed to deliver visible transformation. This serum is engineered to reverse five signs of ageing in just one night. By morning, hair is noticeably fuller, healthier, and smoother. It's an effortless indulgence, working its magic while you rest, aligning perfectly with the desire for effective, yet seamless, beauty routines.

CAVIAR OF LONGEVITY

Overnight youth serum

1. Pro-Xylane™: The Green Chemistry Anti-Ageing Revolution Pro-Xylane™ is a patented molecule that mimics the skin's regeneration capacity to boost the synthesis of glycosaminoglycans (GAGs). Derived from xylose, a sugar found naturally in beechwood, Pro-Xylane™ is a patented molecule developed through an environmentally friendly, direct synthesis process. It's a prime example of "green" chemistry, mimicking our skin's regeneration capacity. Its power lies in its ability to boost the synthesis of glycosaminoglycans (GAGs) – essential components of the extracellular matrix in both skin and hair follicles. For the hair, this translates to: • In the Hair Follicle: Stimulation of GAGs increases hair shaft diameter and fibre thickness, tackling thinning at the source. • Scalp Benefits: It revitalises the scalp, creating an optimal environment for healthy hair growth by restoring natural hydration and elasticity, ensuring hair roots receive the nutrients they need for continued vigour.

2. Ochrophyta Algae: Capturing the Ocean's Regenerative Power Ochrophyta Algae binds with hair proteins to moisturise, prevent split ends, and reinforce the skin barrier. Sourced from giant kelp (Macrocystis pyrifera) thriving in the nutrient-rich Pacific waters off California, Ochrophyta Algae is a bio-sourced treasure. Its extraction utilises sustainable Zeta Fraction™ technology, which captures the essence of the living kelp in a unique serum fraction without solvents. This powerful marine ingredient contributes significantly to hair's sustained vitality: • Revitalising scalp and hair: Known for its resilience to harsh marine environments, its active compounds bind with hair proteins to moisturise, prevent split ends, and boost shine and elasticity. • Skin barrier renewal and hydration: Clinical studies show it enhances skin barrier integrity and improves hydration maintenance, crucial for a healthy scalp foundation that supports thriving hair.

THEY TRIED IT, THEY LOVED IT

Stronger Hair, Stronger Stories. See Chronologiste in action. #TimeIsOnYourSide

THEY TRIED IT, THEY LOVED IT

Stronger Hair, Stronger Stories. See Chronologiste in action. #TimeIsOnYourSide

FAQ

WHAT HAIR TYPE IS KÉRASTASE CHRONOLOGISTE FOR?

HOW DOES KÉRASTASE SCIENTIFICALLY DEFINE HAIR AGEING?

Kérastase defines hair ageing as a complex degradation of structural integrity caused by both intrinsic biological factors and extrinsic environmental aggressors. This process leads to "invisible root causes"—such as DNA instability, cell senescence, and chronic micro-inflammation—which eventually manifest as observable cosmetic attributes like dryness, dullness, and a visible loss of hair thickness.

WHAT SIGNS OF HAIR AGEING DOES CHRONOLOGISTE TARGET?

WHAT IS THE CORE SCIENTIFIC PRINCIPLE OF THE CHRONOLOGISTE RANGE?

HOW DO PRO-XYLANE™ AND OCHROPHYTA ALGAE WORK TOGETHER IN CHRONOLOGISTE?

Pro-Xylane™ and Ochrophyta Algae work synergistically to reinforce hair fibre architecture and optimize the scalp microenvironment. While Pro-Xylane™ primarily influences hair density and follicular dynamics, Ochrophyta Algae provides essential hydration and environmental protection, creating a combined "Caviar of Enduring Hair" effect that tackles the multifactorial aspects of hair ageing.