For fine, chemically enhanced, noticeably thinning hair Scalp protection Adds thickness and strength System 4 -BioAmpTM adds thickness and strength. Glyco-Color ShieldTM Dual protection technology designed to safeguard the scalp skin and preserve hair color. Scalp Protection: Formulated with herbs and botanicals to moisturize and help guard the scalp skin from chemical service residues. Hair Color Protection: Custom-built molecular technology designed to provide Clinically Proven* Color protection and vibrancy. Scalp AccessTM Delivery SystemTM helps protect nutrients at they moisturize and energize the scalp and hair combined with SPF 15 scalp protection against UV rays.