First of its kind formula that protects todays fabrics from damage in the wash (even synthetics and blends), perfect for cottons, linens, socks, cotton underwear, T shirts, khakis, button down shirts, sheets and towels. Protects from fading, pilling for up to 20 washes and stretching for up to 6 washes. Keeps your clothes looking like new for up to 20 washes with a combination of ingredients to gently clean stains, while protecting your clothes. Free from optical brighteners, phosphates, bleach and dyes. Good for both regular and HE washing machine.