Redken Acidic Grow Full System Instant Densifying Spray for thin hair is a lightweight formula that delivers an immediate volumizing effect, visibly improving the look of hair density for thin or flat hair with heat protection up to 450°F.

• Break-free: See the fullness of up to +5,000 hair fibers

• Fuller-looking hair with instant densifying effect

• Heat protection for styling safety

• Ideal for thin or flat hair

• Maintains color-treated hair integrity

The Acidic Grow Full Density & Strength System provides a healthier feeling scalp that is balanced with moisture and instantly thicker, fuller looking hair that is 2x stronger