Skip to product information
1 of 2

The Fortifying Serum and its Refill.

The Fortifying Serum and its Refill.

Regular price 118,00 €
Regular price 132,00 € Sale price 118,00 €
Sale Sold out
Tax included. Shipping calculated at checkout.

The Fortifying Serum and its Refill

The health and beauty of your hair start with a healthy scalp. Our exceptional fortifying serum, formulated with advanced actives and detoxifying ingredients, is designed to revitalize your scalp, strengthen hair density, and enhance your hair.

An innovative formula: This fortifying serum is enriched with prebiotics, providing a gentle and respectful care for the balance of your scalp microbiome. Alcohol-free, it preserves the integrity of your scalp while promoting a healthy and balanced hair ecosystem. The result? Stronger, denser, and healthier-looking hair.

Sustainable care: The serum comes with its 100 ml refill, perfectly suited to our bottles, and adhering to our environmental standards.

Yuka rating: Our fortifying serum scores 72/100, ensuring a high-quality product for your hair and well-being.

Key benefits:


- Revitalizes and strengthens hair density
- Preserves microbiome balance with prebiotics
- Alcohol-free formula, gentle and respectful of the scalp
- 2 refills of 100 ml for 6 months of use
- Environmentally friendly and recyclable packaging

Key Ingredients

99% of ingredients from natural origin


35% rice water: hydrates*, re-mineralizes, restores strength and vitality to the scalp

Fermented raspberry extract (rich in AHA): provides shine, hydration*, and radiance

Hyaluronic acid: absorbs and retains a significant amount of water, ensuring optimal hydration* (even in very dry environments), stimulates cell cohesion, and maintains skin firmness

Lactic acid, in synergy with phytic acid: gently exfoliates

Caffeine complex: stimulates and energizes hair regrowth, protects hair health, and improves microcirculation

Prebiome complex: maintains a balanced microbiome to protect against hair loss, for a healthy and sustainable bacterial balance

No silicones, no artificial colorants, no sulfate-based surfactants, no alcohol, no inert ingredients

*from the upper layers of the epidermis

Ingredient List

Oryza Sativa (Rice) Bran Water*, Aqua (Water), Vitis Vinifera (Grape) Fruit Water*, Glycerin, Propanediol, Pentylene Glycol, Phyllostachys Bambusoides Extract, Caffeine, Caprylyl/Capryl Glucoside,Polyglyceryl-10 Isostearate, Sodium Hyaluronate, Citric Acid, Lactic Acid, Sodium Benzoate, Phytic Acid, Sodium Dilauramidoglutamide Lysine, Corylus Avellana (Hazelnut) Leaf Extract*, Sodium Hydroxide, Sarcosine, Lindera Strychnifolia Root Extract, Calcium Chloride, Hydroxypropyl Guar, Rubus Idaeus (Raspberry) Fruit Extract, Lactobacillus Ferment Lysate, Potassium Sorbate, Levulinic Acid, Taraxacum Officinale (Dandelion) Leaf Extract, Citronellol, Limonene, Geraniol, HexylCinnamal

* Ingredients from organic farming

View full details

How to use The Fortifying Serum and its Refill. ?

To promote the vital longevity of your hair, apply before each shampoo. For an intensive treatment over one month, leave it on overnight 1 to 2 times a week.

1.Apply the serum directly to the roots of your hair.
2.Thoroughly saturate the entire scalp using the directional spray, lifting the strands.
3.Gently massage to create a light emulsion with the sebum to detoxify and optimize the penetration of the active ingredients*.
4.Leave on for 10 to 15 minutes or overnight for an intensive treatment.
5.Rinse thoroughly and then proceed with your shampoo.

*in the upper layers of the epidermis

The Range

1 of 3

The Cair refills