Promotes healthy hairSuitable for everyday wellness seekersFree of gluten, dairy, soy, nuts, sugar, preservatives, and artificial flavors or colors Keratin and collagen are two proteins that are vital to healthy hair. Keratin maintains the structure and strength of your tresses, while collagen promotes keratin production and maintains the health of your hair follicles. Formulated with 250mg of keratin and 2,000mg of collagen per serving, The Vitamin Shoppe brand Keratin for Hair has what you need to nurture strong, lustrous locks.