Nioxin Hair System Kit 4 is a three-step restorative system to bring vitality and volume back to your fine and chemically enhanced, noticeably thinning hair. Bio Amp adds thickness and strength. Glyco-Colour Shield Dual protection technology designed to safeguard the scalp skin and preserve hair colour. Scalp Protection: Formulated with herbs and botanicals to moisturise and help guard the scalp skin from chemical service residues. Hair Colour Protection: Custom-built molecular technology designed to provide CLINICALLY PROVEN colour protection and vibrancy. Scalp Access Delivery System helps protect nutrients at they moisturise and energise the scalp and hair combined with SPF 15 scalp protection against UV rays. Contains: Cleanser 4 150ml - Helps to remove follicle-clogging sebum, fatty acids and environmental residues from the scalp skin and hair. Cleanses to provide thicker-looking hair. Scalp Revitaliser Conditioner 4 150ml - A lightweight conditioner that helps provide hair resilience and control moisture balance. Scalp & Hair Treatment 4 40ml - Contains antioxidants and botanicals that help to provide a refreshed scalp environment. Directions: Apply cleanser on wet hair, gently massage into scalp and hair. Lather 1 minute. Rinse thoroughly. Use daily. After cleansing, distribute the scalp revitaliser onto scalp and throughout the hair. Leave on 1 3 minutes. Rinse well. Apply scalp treatment directly to entire scalp. Gently massage into scalp. Do not rinse. May cause temporary redness to scalp skin after application.