EFFECTIVE SKIN CARE TREATMENT: The 540 needles (1.0mm) help promote collagen production, improving the texture, tone, and overall appearance of your skin. SAFE AND PROFESSIONAL QUALITY: Made with medical-grade stainless steel, the needles are safe, durable, and designed for optimal performance, offering results similar to professional treatments. STIMULATES HAIR GROWTH: Ideal for use on the scalp, the 1.0mm derma roller helps boost hair follicles and encourage thicker, healthier hair growth over time. PAIN-FREE AND EASY TO USE: The ergonomic handle provides a comfortable grip for easy application, ensuring minimal discomfort during use for all skin types. SUITABLE FOR VARIOUS SKIN CONCERNS: Perfect for reducing fine lines, wrinkles, acne scars, stretch marks, and improving overall skin texture, elasticity, and firmness.