The derma roller is easy to use. Not a medical device. The 0.25mm derma roller has short, blunt needles that simply help promote skin exfoliation or improve the appearance of your skin. how to use: Recommended use: 1-2 times per week depending on skin tolerance. 1. Clean the Derma Roller. 2. Clean your face thoroughly. 3. Gently roll back and forth 10 times horizontally, vertically, and diagonally. 4. Wash and dry the Derma Roller in hot water (not boiling water). How to use Activating Serum: Recommended use: For best results, use Activating Serum consistently every day. 1. Clean your face thoroughly. 2. Apply 1-2 pumps to palms. 3. Apply the serum to the desired area in a circular motion. This process will further increase blood flow, helping the formula enter the hair follicles. Leave in the activating serum and allow it to absorb completely. Avoid using: 1. Use on acne or irritated skin. 2. Under the eyes or on the lips. 3. If irritation occurs, discontinue use. 4. Don't share it with others. 5. Please keep away from children. SAFETY WARNING noAffordable Professional Results: Say goodbye to expensive professional micr edling procedures and enjoy professional-quality results at home. Our affordable option offers the same benefits at a premium price, making it a smart investment for your skin care routine. THOUGHTFUL SKINCARE GIFT: Whether for your partner, best friend, or yourself, our micr edling roller is the perfect Valentine's Day gift for any seeking beautiful skin. Give yourself the gift of a radiant complexion with our versatile and effective skin care tools. VERSATILE AND EASY TO USE: Our product comes with two rollers in sizes 0.25mm and 0.2mm, making it safe and easy for any to use at home. Its portable design makes it easy to use on the go or in the comfort of your home. BEARD GROWTH SUPPORT: Transform our micr edle roller into a versatile tool for promoting hair and beard growth on your scalp or face. When used with our beard growth solution, it promotes long-term results, ensuring a fuller, more attractive beard. Enhance radiance: Elevate your skin care routine with our micr edling, designed to exfoliate and enhance skin's appearance for a smoother, more radiant complexion. Use with our serum for long-lasting glow.