The Redken Acidic Grow Full Instant Densifying Spray is a lightweight leave-in root treatment designed to support fuller-looking hair while improving scalp balance and strengthening fragile strands. Powered by Azelaic Acid and a 5% Densifying Complex, it helps create the appearance of thicker hair from the roots without weighing it down.

Ideal for thin or thinning hair, this instant densifying spray lifts at the roots while reinforcing the hair fibre and improving manageability. Used as part of the Grow Full routine, it helps support healthier-looking volume and density over time.

Key Benefits

• Creates instant root lift and volume
• Supports fuller-looking hair
• Strengthens fragile hair fibres
• Helps rebalance scalp hydration
• Lightweight leave-in formula
• Suitable for thin or thinning hair

How to Use

1 Apply to damp hair after washing
2 Spray directly onto the scalp by sectioning hair
3 Hold at least 6 inches from the scalp
4 Work through hair using a comb
5 Do not rinse and style as usual

Laura loves this product because it adds visible root lift instantly while helping fine hair feel stronger and fuller without heaviness.