
Keratin Protocol
Keratin In & Out Routine
Discover a routine to repair, protect and revitalize your hair, enriched with keratin and plant keratin extracts*.
The Keratin Protocol routine (shampoo + mask) helps to make hair stronger, more resistant and visibly less damaged. These formulas help protect hair from external aggressors, smooth the fiber, and add shine and nourishment.
These treatments are tested and approved to strengthen the hair fiber, improve resistance, protect against external aggressions, and leave hair softer, moisturized and visibly stronger.*.
This routine enhances your hair, making it stronger, suppler and healthier.
To complete your routine, combine it with our Keratin in & out routine to benefit from the Keratin Complex food supplement.
Tested & approved
Natural formulas

Silicone- and sulfate-free*.

Made in France