This repairing treatment helps to strengthen and reconstruct damaged hair from within. Perfect for weak, brittle hair, this product contains Keratin and Amino Proteins to seal split ends and add shine. Developed, tested and approved in Trevor Sorbie's award-winning salons. Every Trevor Sorbie product is Sulphate, Sodium Chloride and Paraben free. This means the formulations are gentle on hair, colour-kind, and can be used after Keratin smoothing treatments. This leave-in treatment also contains; KerastoreTM 2.0 which provides targeted surface repair to the most damaged areas of hair, and Prodew® 500 which moisturises and strengthens the hair strand.