An exclusive new formaldehyde and aldehyde free smoothing system loosens curl smoothest and softens hair and eliminates frizz while repairing damage caused by other chemical processes. Liquid keratin s 60 day straighter smoother stronger and longer treatment leaves hair looking and feeling healthier than ever before. Treatment is washed out immediately so no more waiting 48 -72 hours. Typical results last 2 - 3 months. Liquid keratin is a progressive treatment with results improving with continued use.