Lets Jam Heat Styles Set & Wrap Lotion. Locks in hold. Locks out stiffness. Styles last 3x longer. Heat Protection up to 400oF. Locks in endless hold that lasts 3x longer even in the most humid conditions for soft, smooth and textured styles that defy stifness, dryness and breakage. Exclusive style definers and thermal protectants work with heat to define and hold your style while locking out heat damage - up to 400oF.