The Derma Roller System 4-in-1 is a multifunctional skin care tool designed to rejuvenate, tighten, and smooth skin. Featuring four interchangeable roller heads, it targets different areas of the face and body for effective skin treatment. Key Benefits • Promotes collagen production for firmer skin. • Reduces the appearance of scars, wrinkles, and fine lines. • Includes four roller heads for versatile use (face, body, and delicate areas). • Improves the absorption of skincare products. How to Use Disinfect the roller, gently roll over clean skin in different directions, and follow with a serum or moisturizer. Use 1–2 times a week.