House Of Beauty Derma 540 Titanium Needles Roller 1 is used for supporting hair regrowth and scalp health. This professional-grade micro-needling tool features 540 high-quality titanium needles, which help stimulate collagen and elastin production for firmer, smoother skin and healthier hair. The 1mm needles are ideal for addressing hair thinning, hair fall and bald spots, while also supporting skin texture and reducing scars and uneven skin tone. Suitable for both scalp and skin remedies, this derma roller enhances product absorption, helping your hair and skin care products work more effectively.