GROWTURN Hair Growth Serum with Built in Brush for Hair Growth & Thickening Treatment for Thinning Hair, Hair Loss

[Built-In Scalp Brush for Fast, Daily Use] Glide, twist, and massage with 38 precision bristles that deliver serum directly to your roots. Ensures even application, deeper absorption, and a cleaner experience compared to droppers or roller tools. Designed for quick, daily scalp care on wet or dry hair — the ultimate scalp massager and hair growth tool.