For weak & fragile or mature hair that needs a boost. Let the extremely effective Q10 Keratin Booster teach your hair how to spread energy & bouncy shine again. The hairs inner structure is rebuilt stepbystep for a enlivened & vitalised look & feel. Shampoo protects the hair against free radicals whilst leaving it invigorated healthy & shiny. * Use daily * Leave for 2 minutes before rinsing