HELP! I need quick ways to p a hair drug test!?

i havent smoked in around a month and a half and i cut my hair short normaly, id say its about a hald inch atm. I got omni cleansing shampoo to help and read articles about using vinigar, clean and clear acne soap, and tide detergent in your hair so i did. Now im still freaking out because my test is tomorrow morning and i need some advice on what else i can do to help inprove my chances of ping :( please someone help me