Rohan Iyer
Grooming & hair care writer
Rohan writes JoshWell's hair and grooming coverage. He started researching hair loss for himself at 26 and has been separating dermatology from marketing ever since. He believes every hair article should say clearly what works, what doesn't, and when it's time to see a dermatologist.
Why Men Lose Hair: Causes and What Actually Helps
Most male hair loss is genetic, not your helmet or shampoo. Here's what really causes it, which treatments have evidence, and when to see a dermatologist.
26 August 2026 · 6 min read
Minoxidil for Beginners: How It Works, Timelines and Side Effects
Thinking about minoxidil for hair loss? Here's how it works, realistic timelines, the shedding phase, 2% vs 5%, side effects and who should skip it.
26 August 2026 · 5 min read