The Kostech derma roller is easy to use. NOT A MEDICAL DEVICE. The 0.25mm derma roller with short, blunt needles that only helps facilitate exfoliation of the skin or improve the appearance of skin. How to use The Derma Roller: Recommended use: 1-2 times a week depending on skin tolerance. 1. Clean The Derma Roller. 2. Clean your face thoroughly. 3. Roll gently 10 times back and forth - horizontally, vertically and diagonally. 4. Wash with hot (not boiling) water and dry The Derma Roller. How to use The Activator Serum: Recommended use: For best results use The Activator Serum daily on an ongoing basis. 1. Clean your face thoroughly. 2. Distribute 1-2 pumps in the palm. 3. Apply the serum with circular movements onto the desired area. This process will further increase the blood, helping the formula get into the follicles. . Leave in The Activator Serum and allow it to fully absorb. AVOID USE: 1. On acne or irritated skin. 2. Under eyes or on lips. 3. If irritation occurs, discontinue use. 4. Do not share with others. 5. Please keep away from children. facial skin care products: Our face ice roller ( ice roller for face ) is made of high-quality silicone with more ice beads, which keeps cold longer than other products. You can use it on your face, eyes or body Ergonmically designed plastic handle, Easy to hold and use. The face ice roller is Perfect for migraines, wollen neck glands, sinus pain and TMJ pain, reducing dull or dry skins, under eye circles/bags, inflamed acne, etc. easy without making ice cubes Say Goodbye to Fine Lines and Puffy Eyes Without Making Ice Cubes tell fine lines, wrinkles, and inflammation to “chill out!” Our ice facial roller soothes puffy, tired, or irritated skin and is incredibly relaxing. The cold ice roller can be used as a ice cubes or ice packs, the roller can also be used as a massager 1. It prevents the formation of wrinkles and improves the elasticity of the face 2. It minimizes discomfort, irritation, redness 3. Minor injuries,