Streax Professional Argan Secrets Colour Protect Hair Serum prevents frizz and provides instant sheen and smoothness to coloured hair, thereby enhancing its radiance and keeping it manageable and soft. Our Professional Argan Secrets Colour Protect Hair Serum is enriched with Argan Oil, which is known to nourish your hair.Streax Professional Argan Secrets Colour Protect paraben free range has been created with advanced Colour Reinforcer Technology and UV Protection that gives hair more than 90% colour retention, softness & smoothness for upto 10 weeks. Tested as a regime under controlled laboratory conditions with 3 washes per week.