Endothermic atmosphere is prepared by reacting a mixture of hydrocarbon gas, typically methane or. propane and air, metered in a proportion such that there is just enough oxygen to form carbon monoxide. and hydrogen without excess carbon dioxide or water vapor.
But for your everyday run-of-the-mill deep conditioner, it should begin to work instantly, and reach maximum capacity at around the 20 or 30 minute mark. If your deep conditioner doesn't work after 30 minutes, it's time to ditch it for one that's more effective.
In the past after taking down my weaves, I would only wait 2-3 days. When I took my hair down to begin with, the first thing I would do is DETANGLE. You have to get whatever shed hair you may have out before your wash, thats where your tangles are coming from.'m taking down my locs, and I have my relaxer date set for two weeks after tomorrow to give my hair time to rest. -But-I just found out I have to go to this mandatory college event on the 6th.