Most people don’t think twice about their hairbrush—but the truth is, your brush can hold buildup, bacteria, and product residue that directly affects the health of your hair and scalp. If your hair isn’t feeling as fresh, smooth, or healthy as it should, your brush could be part of the problem. When Should You Replace Your Hairbrush? A good rule of thumb is to replace your hairbrush every 6 to 12 months , depending on how often you use it and how well you maintain it. Here a
