For Light Brown to Medium Blonde Hair Care for colortreated hair with Blacklight Blue Shampoo by Oligo Professionnel This vegan shampoo is an argan oil and amino acidinfused toning conditioner specifically formulated for hair levels 5 Light Brown to 7 Medium Blonde Easy to Use Our blue conditioner is easy to incorporate into your hair care routine Simply apply on damp hair lather evenly and rinse Repeat application and leave for 2 to 5 minutes Use the blue toning shampoo once a week or whenever brassiness reappears Upgrade Your Hair Care Regimen To maximize the nourishing benefits of the Blacklight blue toner for brassy hair use it in tandem with Blacklight Blue conditioner When applying the blue shampoo and conditioner use gloves to avoid hand or nail staining Great Value A bottle of our color care shampoo contains 85oz of product This is also a sulfate salt and parabenfree anti brass shampoo for an effective blue toner for blonde hair bleached highlighted or brunette hair Decades of Oligo Legacy in Each Bottle Oligo Professionnel styling products for fine hair are stylistapproved and backed by 3 decades of expertise in the hair and cosmetics industry Our brand lives by the virtues of Consistency Reliability Performance and Excellence