definiens: shall mean ( a ) a Light - Based Hair Management Product intended for use in or marketed in the Female Field, which either ( i ) is developed in whole or in part by Palomar or Gillette in connection with R&D Activities, Additional Activities . or Commercial Assessment Period Additional Activities or ( ii ) uses . embodies . is Manufactured using, practices an invention claimed by, comprises or is comprised of . in whole or in part . Palomar Technology or Joint Technology . ( b ) all Female Accessory Products with respect thereto, and ( c ) an Improvement to any of the foregoing . For the avoidance of doubt . shall exclude any ( a ) power sources, or ( b ) razors, blades . electric shavers or similar devices ( even if any such power source, razor, blade, electric shaver or similar device may be used with, or 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 ( I ) not marketed and sold for uses independent of Light - Based Hair Management Products, ( 2 ) is physically integrated in or physically attached to a Light - Based Hair Management Product . and ( 3 ) is specifically designed for and sold for use with, a Light - Based Hair Management Product