HAIR MYTHS
Products Stop Working if You Use Them Repeatedly
Another common hair myth is that your hair can build up "immunity" to products that you use on a regular basis. People often report that their shampoo doesn't work like it used to or that their regular conditioner doesn't seem to have the same effect that it used to. There is no evidence that hair can build up a resistance against products. In many cases, what these people are experiencing may be a "build up" of styling products. To eliminate this problem, wash you hair once a week with either a clarifying shampoo or rinse with apple cider vinegar to remove product build up and freshen your hair.
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