Living Proof No Frizz Leave-In Conditioner is a hydrating treatment that gives an extra boost of conditioning and frizz protection. Powered by Living Proof's patented Healthy Hair Molecule (OFPMA), No Frizz Leave-in Conditioner. Weightlessly blocks humidity. Smoothes hair texture so strands are polished and frictionless. Nourishes and conditions, leaving hair feeling moisturized. No Frizz Leave-in Conditioner is ideal for all frizz-prone hair types. It is silicone-free. Safe and formulated for color and chemically treated hair. Living Proof's patented Healthy Hair Molecule (OFPMA), is proven to be 70% more effective at blocking humidity than the most widely used anti-frizz technology that is based on silicone. OFPMA. Creates a weightless invisible shield that wraps around each strand - blocks humidity and smoothes each strandIs weightless, so hair is polished without feeling heavy or greasy.