Kerastase - Resistance Soin No1 Extentioniste Max Length strengthening - 10x20ml. Kerastase Resistance Protocole Extentioniste Soin N°1 is an intensive cure designed to deliver maximum strength to long hair. This is the first of two steps from Protocole Extentioniste professional treatment enriched with Taurine to stimulate scalp and hair roots. Citric Acid protects hair against oxidation and promotes cell regeneration. Kerastase Protocole Extentioniste Soin N°1, combined with Soin N°2, will instantly reduce split ends and breakage, promoting hair growth up to 4 cm in length in 3 months.
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