5 Weeks Enriching Hair TreatmentThe 5 Week Enriching Hair Treatment is designed as a complete service. All 5 tubes are designed for a single use application. For most optimum results use as a 5 Week Enriching Hair Treatment to ensure that all new connections within the protein chain are sealed. Luxury Haircare Treatment Regeneration and revitalization within 5 weeks Reconstructs the hair fiber How to use: Each tube is a measured single application of the treatment. Use one