Rexaline

Rexaline is a skincare brand built around a single idea: that the slow, invisible loss of water from skin is a primary driver of ageing, and that deeply hydrating it can hold the effects of time at bay. Despite the French name, Paris headquarters and production described as entirely French, the company traces its beginnings to the United States. According to its own account, the Rexaline laboratory was created in Miami in 2008 in collaboration with American researchers [1]. Third-party sources tend to describe it simply as a French anti-ageing brand — an understandable reading given that it is now based in Paris and, the company says, made entirely in France [6].

The founding aim, as the brand puts it, was "to reinvent hyaluronic acid in cosmetics to create the first anti-aging line through over-hydration" [1]. That premise still frames the range today: every product is organised around hydration and a proprietary form of hyaluronic acid, supported by a stated in-house committee of researchers and doctors.

Rexaline dates its founding to 2008, when, by its own account, the laboratory took shape in Miami alongside American researchers. The names of its founders are not stated publicly. Over time the operation moved to France; the company now lists its headquarters in Paris and describes its production as "100% made in France" [1]. The retailer and editorial site Cosmetify records the same founding year and frames the brand's purpose as restoring "hydration that is lost in the skin due to the ageing process" [6].

This mixed heritage — an American origin story, French manufacturing and a Parisian base — is one of the more distinctive features of the brand's identity, and the two readings appear side by side in different sources.

The company's central claim is that ageing skin is, above all, dehydrated skin. It groups the visible signs of ageing into four categories it calls "dehydr'aging," "inflam'aging," "melano'aging" and "matrix'aging" — covering dermal dehydration, inflammation and reactivity, uneven tone and pigmentation, and loss of firmness. Each product range is aimed at one of these concerns.

Rexaline frames itself around science and performance, summarised in the homepage line, "there's nothing sexier than science and performance" [2]. Its tagline, "L'âge est juste un nombre" — age is just a number — sits alongside a stated belief that it is now possible to "stay young at any age." The company also describes its approach as combining American research with French sensibility, pairing measurable results with what it calls an "exceptional care experience" [5].

At the centre of the range is a form of hyaluronic acid the company brands as RX, or Refill Xtreme. It describes this ingredient as "15 times more penetrating than a classic hyaluronic acid," obtained through bio-fermentation and refined into a powder before use [5]. The brand says the ingredient was reformulated in 2012 to be five times more concentrated, and a related complex is marketed as RX2.

The catalogue is organised into themed lines, each introduced in a specific year and tied to a signature active:

- Hydra-Shock (2012) — aimed at dehydration, using phyto-cells - Line Killer (2014) — targeted at wrinkles, using lipopeptides - Derma Repair (2017) — for sensitive and inflamed skin, using amino acids - Crystal Bright (2021) — for spots and dullness, using gallic acid, which the company describes as "4 times more powerful than pure vitamin C" - Hyalurx Solutions — a broader hydration line

Beyond these headline actives, the ingredient glossary details a range of fermentation-derived and biotech components, including lactobionic acid and gluconolactone (both polyhydroxy acids used for gentle exfoliation), probiotic and postbiotic ferments, and a firming complex it calls Hydra Firm CX, built on shea butter and centella asiatica. The company states that its formulas are vegan and "contain on average more than 80% biomimetic ingredients."

Rexaline attaches specific performance figures to individual products — for example, a stated "+138% hydration" for a Hydra-Shock mask, "-55% depth of wrinkles" for a Line Killer cream, and "82% effectiveness" on spots for a Crystal Bright serum [1]. The company says these rest on "independent and rigorous studies," though the studies themselves are not identified [5].

Rexaline lists Glamour, Allure, Beauty and Cosmopolitan among publications it has been "loved by," presenting them as media it has been featured in rather than as attributed reviews [2]. It also references an "award-winning" status without naming specific awards, and cites a self-reported Trustpilot score of 4.4 out of 5 [2]. A collection titled "Les essentiels RX de Veronika Loubry" is associated with the French television presenter of that name.

Independent editorial coverage appears limited. Cosmetify, a third-party retailer and editorial site, characterises the brand as delivering "professional anti-aging solutions," with "every formula powered by hyaluronic acid" [6].

Rexaline is active. It operates a live multilingual online store with a regularly updated blog — recent articles cover topics such as sun protection, skin longevity and the effect of stress on skin — and its newest product line dates to 2021. The company sells directly through its own site and, according to third-party listings, through marketplaces including Amazon and Zalando [6], giving it a multi-region retail presence as of 2026.