Nioxin System 4 Scalp Therapy: For people with normal to fine hair, that is chemically enhanced (coloured or permed), and may be experiencing noticeable signs of thinning > A daily moisturising scalp and hair conditioner that moisturises and improves resilience > Promotes a healthy scalp environment with soothing essential oils, special anti-oxidants and enzymatic complexes. > BioAmp adds thickness and strength. > Glyco-Color 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 as they moisturise and energise the scalp and hair combined with SPF scalp protection against UV rays.