Kérastase Resistance Fibre Architecte Level 3+4 is an icon in the making. Specially formulated for brittle hair with extremely damaged lengths and split ends, this reparative serum is the perfect way to finish your look and add a healthy, long lasting shine.

The weightless formula seals and repairs damaged hair so you can enjoy beautifully smooth hair and shine, with renewed health and vitality.

Directions for use: Apply Kérastase Resistance Fibre Architecte Level 3+4 to dry hair. Full instructions are included.

30ml