Here are some tips to help you keep your temperatures manageable. 1  Do not let your grow room exceed 86Â° F. Keep it between 70Â°-86Â° (21Â°-30Â° C) 2  Heat rises. So place air intake vents as low as possible in the room and exhaust vents as high as possible. 3  Circulate the air in your grow room to keep temperatures even.
Quick Answer. Perms can take between 1 and 2 hours, depending on how long the hair being permed is and what perming technique is implemented by the stylist. Once complete, a perm is not completely settled until about 28 hours have passed. Keep Learning.
Also every perm asks people to do a test on there hair before going on with the full process. Make shure that you get the set to maintain yor perm like the relaxer, spray and stuff it really helps. The one thing Im shure of that will break your hair is if you get a perm too often wait atleast 7 weeks.