If you’re using a hair growth serum (or thinking about it), the biggest difference in results usually comes down to application and consistency. In this guide, you’ll learn exactly where to apply hair growth serum, how often to use it, how to prep your scalp, and what to avoid so you don’t waste product—or irritate your scalp. Quick note: Hair growth … Continue reading How to Use a Hair Growth Serum (Step-by-Step Routine + Timeline)