Meet the Growing Season Derma Roller - designed for ultimate hair growth. Our new 192-needle (0.3mm) titanium derma roller is designed for ultimate performance in hair care. Lightweight and easy to use, it glides smoothly without tangling, while enhancing product absorption. Unlike the typical 540 triangular needle disk roller, ours uses individual titanium linear needles for more precise and controlled micro-punctures. This allows for better scalp stimulation with less irritation, promoting healthier hair growth and delivering the best results.  Aftercare: Spray with alcohol-based sanitizer after each use and replace every 4-6 months.