▁Although ▁there ▁are ▁many ▁br ands ▁of ▁nic ot ine ▁g um ▁available , ▁they ▁are ▁d osed ▁in ▁a ▁similar ▁manner . ▁Light ▁sm ok ers , ▁those ▁who ▁smoke ▁less ▁than ▁ 1 5 ▁c igare tt es ▁per ▁day , ▁should ▁use ▁the ▁ 2   m g ▁g um . ▁He avy ▁sm ok ers ▁( ≥ ▁ 2 3 ▁cig / day ) ▁should ▁use ▁the ▁ 4   m g . ▁The ▁size ▁of ▁nic ot ine ▁g um ▁is ▁the ▁same ▁for ▁both ▁strength s . ▁ ▁The ▁dos ing ▁reg imen ▁provided ▁by ▁the ▁Nic or ette ▁g um ▁label ▁is ▁as ▁follows : ▁ ▁Users ▁should ▁not ▁use ▁more ▁than ▁ 2 4 ▁pieces ▁of ▁g um ▁per ▁day . ▁▁▁ ▁Dire ctions ▁for ▁use : ▁▁ ▁Users ▁are ▁directed ▁to ▁che w ▁the ▁g um ▁until ▁it ▁soft ens ▁and ▁produces ▁a ▁t ing ling ▁sens ation ▁or ▁" pe pp ery " ▁taste . ▁ ▁The ▁g um ▁is ▁then ▁" park ed ," ▁or ▁t uck ed , ▁in ▁between ▁the ▁che ek ▁and ▁g ums . ▁ ▁When ▁the ▁t ing ling ▁ends ▁the ▁g um ▁is ▁che wed ▁again ▁until ▁it ▁returns , ▁and ▁is ▁then ▁re - park ed ▁in ▁a ▁new ▁location . ▁ ▁These ▁steps ▁are ▁repeated ▁until ▁the ▁g um ▁is ▁de ple ted ▁of ▁nic ot ine ▁( about ▁ 3 0 ▁minutes ) ▁or ▁the ▁cra ving ▁diss ip ates . ▁ ▁Ca