This 4PCS acne needle set is made of stainless steel and is designed for removing blackheads, acne, and other skin imperfections. The set includes three types of heads to choose from and is great for skin care. It can efficiently clean your skin and improve your skin condition. The tool is designed for comfort and precision and is made of high-quality, durable materials. To use, simply place the loop end over the top of the blackhead and press it gently. It is recommended to clean your skin before extractions and to clean the extractor with cotton and alcohol after use.