Boost hair and skin regeneration naturally with the Ktein Derma Roller 0.5 mm. Featuring 540 premium titanium micro-needles, this clinically-tested roller stimulates scalp and skin micro-circulation to activate dormant follicles and improve collagen production. Ideal for hair growth, beard thickening, and skin renewal, it helps enhance absorption of serums and topical treatments for faster results. The ergonomic, anti-slip handle ensures safe, comfortable use, while the 0.5 mm needle length provides gentle yet effective penetration suitable for beginners. Use 2–3 times a week on clean scalp, beard, or skin for visibly thicker hair and smoother texture. Durable, rust-resistant, and easy to sanitize — your all-in-one solution for natural regrowth and rejuvenation.