Radiance Duo
The expert duo that hydrates grey and white hair while revealing its radiance from the very first use.
Combining hyaluronic acid, copper peptides, and high-precision violet pigments, it envelops the fiber in lasting hydration, neutralizes yellow tones, and reveals hair that is infinitely softer, silkier, and more luminous.
Description
For which hair types
Our shampoo duo is suitable for white and/or gray hair, whether it is still salt and pepper or already entirely 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
GRIS science is based on a simple conviction: grey and white hair are not a problem to be corrected, but a different fiber to be understood.
GRIS develops a comprehensive, biomimetic scientific approach to grey and white hair. By acting on the fiber and the scalp, our formulas durably 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
FAQ - RADIANCE DUO
Which products are in the GRIS radiance duo?
The duo brings together two complementary shampoos:
- The GRIS moisturizing care shampoo gently cleanses the fiber, preserves its moisture balance, and prepares it to receive corrective pigments.
- The GRIS purple anti-yellowing shampoo neutralizes yellow and golden tones thanks to its purple pigments.
Used in succession, they cleanse, hydrate, and revive the radiance of gray and white hair in a single ritual.
What is the GRIS radiance duo used for?
The GRIS éclat duo gently cleanses gray and white hair while neutralizing the yellow tones that dull its color.
It acts on both the quality of the fiber and the purity of the color to reveal a more luminous white, a more intense gray, and naturally shiny hair, without drying it out.
Why can gray and white hair turn yellow?
Deprived of melanin, gray and white hair is more sensitive to external aggressors. Ultraviolet rays, pollution, limescale, heat from styling tools, smoke, or certain product residues can gradually alter its radiance.
The fiber can then take on yellow or golden highlights. The GRIS radiance duo helps eliminate impurities and visually correct these unwanted tones to preserve a purer, more luminous color.
How do the two shampoos in the GREY radiance duo work together?
The GRIS moisturizing care shampoo performs the first wash. It eliminates impurities and accumulated residue while respecting the fiber's balance.
The GRIS purple anti-yellowing shampoo is then used for the second wash. Its purple pigments neutralize yellow tones, while its moisturizing active ingredients help preserve the hair's softness and suppleness.
This dual action helps revive the color without compromising the quality of the fiber.
Does the Éclat GRIS duo color gray hair?
No. The GRIS radiance duo does not permanently color the hair. The violet pigments in the anti-yellowing shampoo are temporarily deposited on the surface of the fiber to visually neutralize yellow tones.
On very light or particularly porous hair, an excessive application time may leave a slight temporary violet tint. It is therefore important to respect the recommended application time and rinse thoroughly.
Does the GRIS radiance duo dry out hair?
No. Both shampoos were designed to cleanse and remove yellow tones from gray and white hair without accentuating their natural dryness.
Their gentle cleansing bases are combined with moisturizing and biomimetic active ingredients, including hyaluronic acid, Prodew® 500, amino acids, and copper peptides. The hair fiber remains supple, soft, and lightweight after rinsing.
What results can be expected from the first wash?
From the very first ritual, yellow undertones appear reduced and the hair regains more clarity. White appears purer, grey deeper, and the fiber visibly more luminous.
Hair retains its softness, suppleness, and lightness. The result may vary depending on the intensity of the yellow undertones, the porosity of the fiber, and the leave-in time.
How do I use the GRIS radiance duo and how often?
On wet hair, apply a hazelnut-sized amount of GRIS hydrating care shampoo. Gently massage the scalp, work the lather through the lengths, then rinse thoroughly.
Next, apply the GRIS anti-yellowing purple shampoo to the entire head of hair. Massage gently, leave on for one to two minutes, then rinse carefully.
Use the duo once or twice a week, depending on the intensity of the yellow tones and the desired result.
What is the difference between purple shampoo and blue shampoo?
The difference lies in the principle of colorimetry. Purple, the complementary color to yellow, neutralizes the yellow undertones that frequently appear on gray, white, or very light blonde hair.
Blue acts more on orange or copper tones, which are often present in lightened brown hair. To remove yellow tones from white and gray hair, a purple shampoo is therefore generally more suitable than a blue shampoo.
What is the difference between the GRIS radiance duo and the GRIS softness duo?
The GRIS radiance duo primarily targets color purity. It combines the moisturizing care shampoo with the purple anti-yellowing shampoo to cleanse the fiber and neutralize yellow tones.
The GRIS softness duo better addresses needs for nourishment and detangling. It combines the moisturizing care shampoo with the GRIS conditioner to make hair softer, more supple, and easier to style.
Both duos can be alternated according to the needs of the fiber and the color.
Does the GRIS éclat duo offer natural formulas, free from sulfates, silicones, and parabens?
Yes. Its formulas are sulfate-free, silicone-free, paraben-free, and are composed of over 97% ingredients of natural origin.
Is the GRIS radiance duo vegan?
Yes, the GRIS radiance duo is vegan and its formulas are not tested on animals.
Is the GRIS radiance duo suitable for pregnant women?
Yes, both shampoos in the GRIS radiance duo are indicated as suitable for pregnant women. As with any cosmetic product, it is recommended to follow the precautions for use and seek advice from a healthcare professional in case of any specific sensitivity or doubt.
Avoid contact with the eyes and rinse immediately if contact occurs. Do not apply the products to an irritated or damaged scalp and keep them out of the reach of children.
