Redken Acidic Growth Full System Densifying Shampoo for Thin Hair Strengthens & Thickens

Gentle, pH-balanced shampoo formulated with azelaic acid and a 7% densifying complex to help strengthen and thicken thin hair. The lightweight formula delivers an instant volumising effect and immediate softness while gently cleansing. Part of the Acidic Grow Full System (shampoo, conditioner, serum and spray) to help balance scalp hydration, coat the hair fibre and reduce breakage as hair grows. How to use: apply to wet hair, lather and rinse.