Streax Professional Argan Secrets Hair Serum with its unique UV filter and colour technology helps to protect and preserve the vibrancy of your hair colour for a longer time. It helps prevent frizz and provides instant sheen and smoothness to coloured hair. This hair serum is further enriched with the goodness of argan oil ensuring that your hair stays stronger and healthier always. Discover colour-retention, shine, and smoothness like never before! Streax Professional gives you the Argan Secrets Colour Protect Range - your easy 3-step complete colour care routine - for vibrant hair, up to 10 weeks (Tested as a regime under controlled laboratory conditions with 3 washes per week).