All Nutrient Developer & Lighteners Keratint Color-Glaze Demi Developer is a professional-grade formula designed to work seamlessly with demi-permanent color systems. This 16.9 fl.oz bottle delivers consistent, reliable results while nourishing hair with nutrient-rich ingredients that help maintain moisture and shine throughout the coloring process. Perfect for stylists seeking vibrant color payoff with minimal damage, this developer ensures even processing and beautiful, long-lasting color that keeps clients coming back.