Meet the Bur Bur Growing Season Derma Roller - designed for ultimate hair growth. Meet our innovative derma roller that is more sustainable, designed for gentle, precise scalp stimulation and improved product absorption. Featuring a solid metal handle and a detachable roller head, this derma roller is equipped with 192 high-strength titanium needles (0.3 mm) that glide smoothly across the scalp without tangling. The linear needle design allows for controlled micro-punctures with reduced irritation compared to traditional disk rollers.