Virtue® Curl Shampoo is a rich, non-drying formula that gently cleanses while removing excess oils and build-up to maintain the natural curl pattern. It protects against humidity, heat, and environmental damage while mending and prepping hair for manageable, frizz-free styles.Alpha Keratin 60ku® works with specially chosen hydrators and curl-optimizing polymers to facilitate natural curl patterns while repairing brittle hair that's more prone to breakage. Virtue® Curl is also the only premium curl line free of parabens, phthalates, silicones, sulfates, formaldehyde donors, and synthetic colorants.