Why your hair keeps breaking (and it's probably not your shampoo)
If your hair breaks no matter what products you use, you've probably blamed your shampoo, your heat tools, or your water. Those can all be factors. But there's one cause almost nobody talks about, and it's happening every single night: your pillowcase. Cotton is rough at the fiber level. Every time you move in your sleep, your hair drags across it. Over 7 or 8 hours, that friction is enough to roughen up the hair cuticle, strip moisture out of the shaft, and cause the kind of small, repeated damage...
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