KMS AddVolume Liquid Strength Rinse is an innovative strengthening and thickening treatment designed to leave hair looking fuller, stronger, and healthier with every use. Ideal for fine, weak, or fragile hair, this lightweight rinse delivers intensive strengthening benefits without weighing the hair down.

Formulated to strengthen the hair fiber from within, AddVolume Liquid Strength Rinse helps improve resilience and elasticity while providing up to 20 times stronger hair compared to untreated hair. The advanced formula works to reinforce and protect each strand, helping reduce the appearance of weakness while promoting healthier-looking, more manageable hair.

At the same time, this unique rinse instantly thickens individual hair strands to create the appearance of greater density and fullness. Hair feels noticeably thicker, stronger, and more voluminous while maintaining natural movement and softness. The lightweight conditioning technology provides excellent detangling benefits, leaving hair smoother, easier to manage, and visibly fuller without residue or heaviness.

In addition to strengthening and thickening, the formula enhances natural shine for a healthier, more vibrant appearance. The result is hair that looks fuller, feels stronger, and maintains a soft, touchable finish.

Perfect for those seeking added body, strength, and volume, KMS AddVolume Liquid Strength Rinse delivers professional-level performance while helping transform fine or weakened hair into hair that appears thicker, stronger, and full of life.

Rinse. And that's it. No processing time is required.