Redken Acidic Grow Full Leave-in is a lightweight treatment spray that instantly boosts volume, body, and resilience in fine or lifeless hair starting from the roots. The leave‑in formula provides thermal protection up to 230°C and helps strengthen the hair while keeping it soft and lightweight. The non‑greasy, fast‑absorbing texture nourishes both the hair and scalp, supporting a healthy foundation for stronger‑growing hair.

  • Instantly boosts volume and resilience from the roots
  • Protects the hair against heat up to 230°C
  • Helps reduce hair breakage by up to 50%
  • Lightweight, non‑greasy leave‑in formula that keeps the hair soft and airy