Kérastase

Kérastase is a French luxury hair and scalp care brand owned by L'Oréal. Established in 1964 by scientists working at L'Oréal Advanced Research, it was created around a professional-care model that combined scientific research with high-end salon services. The brand is positioned above mass-market hair care and is associated with personalized routines for different hair types, textures, conditions, and scalp concerns. Its portfolio includes shampoos, conditioners, masks, leave-in treatments, serums, oils, and styling products. Product families have included Chronologiste, Bain Satin, Elixir Ultime, and Résistance, among other ranges addressing moisture, damage, nourishment, strengthening, smoothing, and general hair vitality. The brand’s offer is designed to be used as complete routines rather than as isolated products, with cleansing, conditioning, treatment, and finishing steps often organized around a specific hair concern. Kérastase operates through professional salons, its own e-commerce channels, and selected beauty retailers. The brand’s international distribution has included specialty retailers such as Sephora and Douglas, while salons remain central to its identity and consumer experience. This salon connection differentiates Kérastase from conventional supermarket hair-care labels and supports its premium pricing and consultation-led positioning. The brand’s communication generally emphasizes the combination of advanced hair science, luxury presentation, sensory formulas, and professional expertise. Its public profile has also been developed through ambassador and celebrity partnerships, including Emily Ratajkowski, Angie Katsanevas, Sydney Sweeney, Jang Won-young, and the announced association with Demi Moore. These partnerships have helped Kérastase present its products across fashion, entertainment, beauty, and social-media audiences. Kérastase is part of L’Oréal’s professional-products organization and remains an active international brand. Public reference material identifies its founding, ownership, distribution channels, product categories, and ambassador activity, but does not provide a detailed public account of its financial performance, individual founders, or a complete chronology of product launches.

Kérastase was established in 1964 by scientists at L'Oréal Advanced Research. Its creation placed scientific development at the center of a luxury hair-care concept intended for professional use and premium consumer experiences. From its beginnings, the brand was associated with the salon channel rather than with general mass retail, helping define its identity around expert diagnosis, specialized treatment, and high-value hair-care routines. Over time, Kérastase developed a broad portfolio covering hair cleansing, conditioning, intensive treatment, finishing, styling, and scalp care. Its named ranges have addressed different needs, including nourishment, moisture, strengthening, damage care, smoothing, and overall hair vitality. Product families such as Chronologiste, Bain Satin, Elixir Ultime, and Résistance became recognizable components of the brand’s offer. The range structure allowed Kérastase to organize products around hair concerns and encourage consumers to use coordinated routines. The brand expanded internationally through professional salons, direct e-commerce, and selected beauty retailers. Public reference material identifies Sephora and Douglas among its retail channels, while salons continue to represent an important part of its distribution and brand proposition. This combination allows Kérastase to maintain a professional heritage while reaching consumers through digital commerce and specialist beauty stores. Kérastase is owned by L'Oréal and is associated with the group’s Professional Products Division. Its market identity remains distinct from L'Oréal’s mass-market hair-care brands: Kérastase emphasizes luxury, professional knowledge, research, and individualized care. Its marketing has increasingly used high-profile ambassadors to communicate with international audiences. Publicly listed ambassadors include Emily Ratajkowski from 2018, Angie Katsanevas from 2021, Sydney Sweeney and Jang Won-young from 2024, and Demi Moore in 2026 reference material. The available reference material does not establish a complete chronology of corporate reorganizations, manufacturing locations, sales figures, product launches, or named founding scientists. Accordingly, these details are not treated as established facts in this dossier.

1. 2026Demi Moore is listed as an ambassador

   Reference material lists Demi Moore as a Kérastase ambassador for 2026.

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2. 2024Sydney Sweeney and Jang Won-young are listed as ambassadors

   The brand’s publicly listed ambassador group is expanded to include Sydney Sweeney and Jang Won-young.

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3. 2021Angie Katsanevas becomes an ambassador

   Angie Katsanevas is listed as a Kérastase ambassador.

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4. 2018Emily Ratajkowski becomes an ambassador

   Emily Ratajkowski is listed among Kérastase’s brand ambassadors.

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5. 1964Kérastase is founded

   Kérastase is established by scientists at L'Oréal Advanced Research as a luxury, professionally oriented hair-care line.

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Luxury professional hair and scalp care combining scientific research, salon expertise, personalized routines, and premium sensory presentation.

• ChronologisteLuxury hair and scalp care range

  Chronologiste is a Kérastase product family positioned within the brand’s luxury hair and scalp-care offer. It is associated with premium treatment routines and is presented as part of the brand’s high-end portfolio.

• Bain SatinShampoo and hair-care range

  Bain Satin is a named Kérastase range centered on cleansing and care products. It represents the brand’s approach of organizing products into coordinated routines for specific hair-care needs.

• Elixir UltimeHair oil and treatment range

  Elixir Ultime is a Kérastase range associated with finishing care, oils, and treatment products. It forms part of the brand’s premium portfolio for nourishment, softness, shine, and a polished hair-care experience.

• RésistanceStrengthening and damage-care range

  Résistance is a Kérastase product family focused on strengthening and damage-oriented hair care. It illustrates the brand’s use of concern-based ranges to organize shampoos, conditioners, masks, and other treatments.

• 2024Sydney Sweeney and Jang Won-young ambassador partnerships

  International

  Kérastase’s ambassador roster included Sydney Sweeney and Jang Won-young, supporting broad international communication across entertainment, fashion, and beauty audiences.

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• 2021Angie Katsanevas ambassador partnership

  International

  Angie Katsanevas was listed as a Kérastase ambassador in the brand’s publicly documented ambassador activity.

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• 2018Emily Ratajkowski ambassador partnership

  International

  Kérastase used Emily Ratajkowski as a public ambassador, connecting its luxury hair-care positioning with fashion and celebrity audiences.

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• 2026Demi Moore listed as a future Kérastase ambassador

  Reference material lists Demi Moore as a Kérastase ambassador for 2026. The available material does not provide further details about the campaign or its launch timing.

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• 2024Sydney Sweeney named a Kérastase ambassador

  Kérastase added Sydney Sweeney to its ambassador portfolio, reinforcing the brand’s celebrity-led international marketing.

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• 2024Jang Won-young named a Kérastase ambassador

  Jang Won-young was listed as a Kérastase ambassador, broadening the brand’s visibility in contemporary Asian popular culture and beauty markets.

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• 2021Angie Katsanevas named a Kérastase ambassador

  Angie Katsanevas joined Kérastase’s publicly listed ambassador roster.

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• 2018Emily Ratajkowski named a Kérastase ambassador

  Kérastase identified Emily Ratajkowski as a brand ambassador, extending its communications into fashion and celebrity culture.

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1. Kérastase
2. Kérastase official website