Kérastase Spécifique Sérum Potentialiste 90 ml – Fortifying Protective Scalp Serum

The Kérastase Spécifique Sérum Potentialiste 90 ml is the first fortifying protective serum dedicated to the scalp microbiome. Designed to rebalance stressed or sensitized scalp, it helps strengthen the scalp barrier and protect it from everyday external aggressors.

Thanks to its advanced formula with fractions of Bifidus Prebiotic and a Vitamin C derivative, it nourishes the scalp, combats oxidative stress and promotes a healthier environment for hair growth.

It is compatible with all Kérastase ranges and can be applied after any treatment.

Microbiome-rebalancing scalp serum

An unbalanced scalp can show discomfort, redness or sensitivity after chemical services like coloring or bleaching. This professional scalp serum offers:

Barrier reinforcement

Helps protect the scalp from external aggressors.

Antioxidant action

Counters damage from oxidation and environmental factors.

Microbiome support

Promotes the natural balance of the scalp flora.

Key benefits

• ✔️ Professional serum for sensitive scalp

• ✔️ Strengthens the scalp microbiome

• ✔️ Protects against oxidative stress and external agents

• ✔️ Ideal after coloring or bleaching

• ✔️ Lightweight, non-sticky formula

• ✔️ Leave-in — no rinse required

Technology and key ingredients

The formula combines high-performance active ingredients:

• Bifida Ferment Lysate (fractions of Bifidus Prebiotic): supports the scalp microbiome

• Ascorbyl Glucoside (Vitamin C derivative): powerful antioxidant action

• Prebiotics: help maintain scalp balance

• Glycerin: contributes to moisturization

Ingredient lists are updated periodically. Please always consult the product label.

How to use

1. Apply once daily (morning or evening) for 3 weeks.

2. Dispense 3 pipettes onto damp, cleansed hair, section by section.

3. Gently massage to encourage absorption.

4. Do not rinse.

Can also be used on towel-dried or dry hair as needed.

Professional recommendation

Integrate Potentialiste into the routine after every shampoo to strengthen the scalp barrier and prevent post-technical treatment discomfort.

Recommended for

• Unbalanced or sensitized scalp

• Discomfort after coloring or bleaching

• Scalp exposed to environmental stressors

• Those seeking a professional fortifying scalp serum

FAQs – Frequently Asked Questions

1. Is it suitable for all hair types?

Yes, it can be used on any hair type.

2. Should it be rinsed out?

No, it is a leave-in treatment.

3. Can it be used after coloring?

Yes, it is ideal to soothe and protect the scalp post-treatment.

4. Is it compatible with other Kérastase ranges?

Yes, it works in synergy with all ranges.

5. How long does a treatment cycle last?

Daily use for 3 weeks is recommended.

6. Does it weigh hair down?

No, it has a lightweight, invisible texture.

Product specifications

• Brand: Kérastase

• Line: Spécifique

• Size: 90 ml

• Type: Fortifying scalp serum

• Manufacturer: L’Oréal – 14, Rue Royale 75008 Paris

• Email: servizioconsumatorikerastase.corpit@loreal.com