Safe and harmless: suitable for beginners and intermediate users. The beard microneedle roller may help promote blood circulation in the face and head. Using the device may support beard growth by stimulating hair follicles. For best results, use with beard oil. The roller can also be used for skincare to help reduce the appearance of wrinkles, improve skin brightness, and support skin health. Individuals with sensitive skin can gently use the device on clean skin. Made from safe and environmentally friendly materials. Suitable for home use, non-irritating. May help enhance skin radiance. An ideal gift for loved ones, friends, and fathers. Specifications: Instructions: 1. Clean the treatment area with a cleanser. 2. Clean the microneedle roller using 75% alcohol, saline solution, or ultraviolet light. 3. Clean the treatment area with saline solution. 4. Gently roll the target area with the microneedle roller. 5. Roll each section in an "M" pattern for approximately 5 minutes. Apply beard oil after rolling for optimal results. 6. Avoid touching the treated area within 5 hours after use to help prevent infection. 7. Use 1–2 times per week. A course consists of 10 sessions. It is recommended to complete at least 2 consecutive courses. If you experience any discomfort, discontinue use immediately. Keep this product out of reach of children. Store in a cool, dark place at room temperature. Package Included: 1 x hair growth liquid 1 x microneedle roller Notes: Due to manual measurement, there may be a 1–2 cm variation. Color may vary slightly due to monitor settings. We strive to provide high-quality products and excellent service. If you have any questions, please contact us and we will respond promptly. Thank you.