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.
You should always use a conditioner after washing relaxed hair. If you don't have time to leave a deep-conditioning treatment on the hair for at least 10 minutes, try an intense moisturizing conditioner or leave-in conditioner.he first time you wash your hair after getting a relaxer, your hair will need extra moisture and protection as it adjusts to the new chemical treatment.