Redken Play Safe Heat ProtectionThe Benefits: Redken Extreme Play Safe is a hair heat protectant treatment that strengthens while you style. A go to for pros for any client who frequently uses heat to style their hair (blow dryers, flat irons, curling irons). As a multi benefit treatment and leave in conditioner, the science within leverages the power of plant proteins and tourmaline to protect strands while helping repair existing damage and reduce the appearance of split ends.