Koster – Cosmetic neutralizer

Koster cosmetic neutralizer is designed to fix the various permanent colours created for normal, resistant and sensitive hair. The formula is enriched with cosmetic ingredients that help to support the hair, creating lasting, flexible curls. The instant action of Koster neutralizer does not attack the hair structure, providing emollient action for all types of hair.

Professional use only

1000 ml size

Categories: ,

Instant fixing, to reduce development time

Gentle formula, not attacking the hair fibre


A perfect, long lasting perm, with strong, bouncy waves, on all hair types