definiens: shall mean ( a ) a process, product or system, which product or system comprises an apparatus for delivering Optical Radiation, and which is intended or marketed for Hair Management in the Consumer Field, and ( b ) any ( i ) apparatus, component, accessory, disposable or Consumable which is ( 1 ) designed specifically for, ( 2 ) intended or marketed for sale or sold for use with, and ( 3 ) physically integrated in or physically attached to, such a process, product or system, or ( ii ) any lotion, gel, cream, powder or similar formulation that is ( 1 ) designed specifically for use with, ( 2 ) approved by the FDA for use with, and ( 3 ) essential for the functionality of . such process, product or system . Such product or systems may include other mechanisms for Hair Management ( e.g .. chemical, mechanical, magnetic, acoustic, radio trequency, temperature, or electrical ) to the extent that such -VIII -mechanisms are designed specifically for . intended or marketed for sale or sold for use with, and physically integrated in or physically attached to such product or system . For the avoidance of doubt . shall exclude any ( a ) power sources, or ( b ) razors, blades, electric shavers or similar devices ( even if use of any such power source . razor, blade, electric shaver or similar device may be used with, or use thereof, is recommended to improve the efficacy of a Light - Based Hair Management Product ), except to the extent that any such power source, razor, blade, electric shaver or similar device is ( 1 ) not marketed and sold for uses independent of such product or system, ( 2 ) is physically integrated in or physically attached to such product or system, and ( 3 ) is specifically designed for and sold for use with, such product or system