How To Carefully Add Blow Drying To Your Natural Hair Regimen With Little or No Heat Damage For most naturals keen on growing their hair, avoiding heat is a very sacred mantra. We know that blowdrying, even on a low setting, literally dries the hair by taking internal moisture levels to below what air drying would produce and never rebalancing with humidity in air. You can read the science here. However, some naturals actually attribute low temperature blow drying to being able to manage their hair better as hair dries faster, has reduced tangling and shrinkage due to the stretching