How often should I consider replacing my hairbrush? Is there a specific timeframe that one should adhere to, or does it vary based on individual usage patterns and hair types? Considering the materials and construction of different hairbrushes, do they not degrade over time, thereby losing their effectiveness in maintaining healthy hair? Moreover, should one account for factors such as the frequency of hair washing and the accumulation of product buildup? Might it be wise to examine the bristles for wear and tear, or even the overall integrity of the brush itself, as this could directly impact hair health? Are there telltale signs, such as breakage or tangling, that signal it’s time for a new brush? Additionally, in the context of hygiene, how important is it to replace one’s hairbrush periodically to prevent issues like bacterial growth? What expert recommendations exist on this subject, and how do they reconcile with personal grooming habits?