Leave-in day treatment
A leave-in day care that hydrates and tames gray and white hair, from morning to night. Hyaluronic acid, biomimetic amino acids, and copper peptides hydrate and preserve the quality of the hair fiber.
Apply a small amount to damp or dry hair, on the ends or on areas prone to frizz.
The daily step in a routine that enhances the softness, manageability, and radiance of gray and white hair.
Description
For which hair types
Our day treatment is suitable for white and/or gray hair, whether it is still salt and pepper or already completely gray or white.
No need to have completely white hair to adopt it: it also supports hair in transition.
Usage
Ingredients
Tested and approved
GREY SCIENCE
The GRIS science is based on a simple conviction: gray and white hair is not a problem to be corrected, but a different fiber to be understood.
GRIS develops a comprehensive, biomimetic scientific approach to gray and white hair. By acting on the fiber and the scalp, our formulas sustainably preserve their quality, radiance, and vitality.
Provide lasting hydration
With the disappearance of melanin, gray and white hair becomes more porous and loses its ability to retain water. GRIS combines a very low molecular weight hyaluronic acid, which captures and maintains hydration, with Prodew® 500, a biomimetic complex of 11 amino acids inspired by the natural composition of hair, to restore moisture balance and strengthen the fiber.
Together, these active ingredients restore lasting hydration, which is essential for the quality of white hair.
Activate molecular biomimicry
GRIS relies on molecular biomimicry to draw inspiration from the natural mechanisms involved in hair vitality and structure.
The copper peptide, naturally present in the body, helps to preserve hair vitality over time, while Prodew® 500, a biomimetic complex of 11 amino acids inspired by the composition of the fiber, helps to strengthen its structure. This approach helps to lastingly preserve the quality of white hair, for a stronger, suppler, and shinier fiber.
Maintaining scalp balance
Yes, our formulas are designed for daily use, gentle on the scalp and hair fiber.
Results after 15 days of use
After 15 days of use, testers report softer hair and a visible reduction in yellow tones, as well as an overall improvement in shine, suppleness, and manageability.
*Based on a GRIS consumer study conducted among several dozen testers with 30% to 100% white hair
J'aime particulièrement le leave-in : mes cheveux paraissent plus disciplinés et plus forts, sans être alourdis
Pas très évident comme résultat
Appliqué après chaque lavage sur les pointes humides avant séchage. Les cheveux sont doux et soyeux
FAQ - LEAVE-IN DAY CARE
What is the GRIS leave-in day treatment used for?
The GRIS leave-in day care intensely hydrates gray and white hair, tames frizz, and makes daily styling easier.
Its creamy texture delicately envelops the lengths without weighing them down. From the moment of application, the hair fiber appears softer, more supple, and naturally more luminous, from morning to night.
Why do gray and white hair require specific daily care?
With the gradual decrease in melanin, the hair's structure changes. The fiber generally becomes more porous, retains water less effectively, and reacts more to humidity changes.
Gray and white hair can thus become drier, rougher, and more unruly. Applied daily, a treatment specifically formulated for their needs helps preserve their hydration, suppleness, and comfort between washes.
What is the difference between the GRIS leave-in day treatment and a classic hair treatment?
A classic hair treatment generally meets the occasional needs of dry or damaged hair. The GRIS leave-in day treatment addresses the specific characteristics of gray and white hair, particularly their porosity and difficulty in retaining moisture.
Its formula combines copper peptides, low molecular weight hyaluronic acid, Prodew® 500, and Nutripeptide GR. This synergy helps preserve moisture, suppleness, and fiber quality, while making daily styling easier.
Does the GRIS leave-in day treatment hydrate hair all day long?
Yes. Its formula helps the fiber retain the water it needs and preserve its hydration level throughout the day.
Low molecular weight hyaluronic acid acts as a moisture reservoir, while Prodew® 500, a biomimetic amino acid complex, helps maintain the hair's softness and suppleness. The fiber remains more comfortable, fluid, and luminous from morning to night.
Does the GRIS leave-in day treatment help tame frizz?
Yes. Gray and white hair, which is naturally more porous, can react strongly to humidity and become more difficult to manage.
Applied to the lengths or directly to areas prone to frizz, the treatment helps smooth the appearance of the hair fiber and tame flyaways. The hair retains its natural movement, without a stiff finish.
Does the GRIS leave-in day treatment weigh hair down?
No. Its creamy texture has been designed to provide targeted hydration without leaving a greasy finish or a heavy feeling.
A small amount is enough. Warm a pea-sized amount of product between your hands, then distribute it through the lengths and ends. Adjust the quantity according to the thickness, length, and dryness level of the hair.
How to apply the GRIS leave-in day treatment to dry or damp hair?
On damp hair, apply a small amount of product to the lengths and ends after washing. Gently distribute the texture, then style as usual.
On dry hair, use a smaller amount to revive softness, add shine, or tame frizz. The treatment can be applied daily and reapplied whenever the fiber feels the need. Do not rinse.
Does the GREY leave-in day treatment help preserve the hair fiber and limit breakage?
Used regularly, the GRIS leave-in day treatment helps maintain the fiber's hydration and suppleness. Better-hydrated hair that is easier to style is less exposed to tangles, friction, and mechanical breakage.
Copper peptides help preserve a more resistant fiber, while GR Nutripeptide and biomimetic amino acids support its quality. With continued use, hair appears more uniform, disciplined, and visibly more luminous.
Is the GRIS leave-in day treatment vegan?
Yes. Its formula contains no ingredients of animal origin and its products are not tested on animals.
How do I incorporate the leave-in day treatment into my GRIS routine?
Start with a double wash using the GRIS hydrating care shampoo, then apply the GRIS conditioner to the lengths and ends. Leave on for two to three minutes before rinsing thoroughly.
On towel-dried hair, then apply a small amount of GRIS leave-in day care to the lengths and ends. Do not rinse, then style as usual.
Between washes, the treatment can also be applied in small amounts to dry hair to revive softness, restore shine, and tame frizz.
Is the GRIS nourishing conditioner suitable for pregnant women?
Yes, the GRIS nourishing conditioner is indicated as suitable for pregnant women. As with any cosmetic product, it is recommended to follow the instructions for use and to seek advice from a healthcare professional in case of particular sensitivity or doubt.
Avoid contact with the eyes and rinse immediately if contact occurs. Do not apply the product to an irritated or damaged scalp and keep it out of the reach of children.
Does the GRIS leave-in day treatment have a natural composition, free from sulfates, silicones, and parabens?
Yes. The leave-in day care is sulfate-free, silicone-free, paraben-free and is composed of over 97% ingredients of natural origin.
