Bio Hair Serum Advance Formula 100mlA lightweight, Swiss made serum created to support healthier looking hair from root to tip. Made with botanical extracts, vitamins, and hydrating humectants, it helps hair stay stronger, smoother, and naturally vibrant with consistent use. This formula refreshes and regulates the scalp, creating the ideal environment for healthy hair growth and lasting shine. Key Benefits Supports healthier looking hair growth and scalp vitality Hydrates and softens