Repair and protect your locks with the Goldwell kerasilk colour brilliance perfector. Ideal for colour treated and damaged hair, the oil is powered by an innovative complex that strives to strengthen and repair the follicle.lightweight but rich, this reparative treatment coats the hair in nourishment, gracing the locks with a luxurious shine. The unique kerasilk keratransform technology™ (kt3) uses three key ingredients, tamanu oil, keratin and silk extract, to renew lacklustre locks, repairing and protecting the tresses.tamanu oil deeply hydrates the follicle, feeding vital vitamins deep into each strand to transform the hair from dry and dull to soft and silky. Enriched with a high molecular form of keratin, the oil works to rebuild the hair’s natural barriers, reinforcing the precious moisture seal and improving resilience.smoothing the cuticle, this leaves the hair soft and shiny, with a glossy finish. As if that wasn’t enough, the oil also offers uva/uvb protection for up to 72 hours, safeguarding the strands from sun and heat damage.