What it is: Blacklight's Nourishing Conditioner, formulated for highlighted, bleached and colour treated hair, is enriched with 11 amino acids and argan oil. What it does: Its unique formula moisturizes, strengthens hair structure and repairs surface damage while increasing shine and colour retention. What else you need to know: This conditioner promotes healthier hair and replenishes hair in need of moisture and weightless conditioning, leaving hair manageable, soft and shiny.