Brand from South Korea: ViveLab. Benefits:This needle roller features 144 specially designed scalp-boosting needles that stimulate blood circulation deep in the scalp, strengthening both the hair and the overall scalp environment.It enhances the benefits of scalp ampoules, facilitating faster and deeper absorption.Using a non-invasive method, it pushes vital ingredients into the scalp without creating wounds or causing hair to become jammed.How to use:1. After shampooing, apply the Enhancing Foam to the concerned areas of a wet scalp.2. Use the needle roller to gently massage for better absorption.3. Rinse with water and dry after use.