Keratin treatment pack gold black RMC System Q indicated to recover hair very damaged by the use of chemicals: straightening, permanent or definitive straightening. It consists of; Repositioning shampoo 300ml, Mass and keratin replenisher 300 grams and Post-repositioning balm 300ml. They help reduce surface damage from the first application, and contribute to rebuild the hair fibre, hair mass and replenish keratin. In addition, it instantly increases hair shine, volume and softness.