kehne ko to log bohatttttttttttt koch kehte hain.. per jab tak khud pay experiment na kar lo pata nai chalta.. high lights, striking may honestly bohat taiz chemical hota ha jo start may to kafi acha lagta ha per kahi na kahi wo balo ko baad may white karta ha.. coz is k lie pehle black hairs ko colorless banana parta ha or is k uper new color apply karna hota ha.. so new color 1 saal baad tak khatam ho jata ha n neche white baal aa jata ha.. so yaaa is k nuksaan hain..wese maine kafi logo se sona k baad mainjab colour khatam hota to baal white hone lag jatey hai .. so is hi dar ki wajah se mai nahi karwati wese bht pehle maine karwaye they as such hua nhi kuch a-sa ... or reddish colour k hi highlights liye they... bt i've heard much complain frm ppl abt it... or baal kharab honey k bhi bht chances hotey hai...