Description HASUO Herbal Solution Treatment 750ml / 25.3 OZ HASUO herbal solution hair treatment had been invented by in house technical skills. mixtures of herbal extracts medecines like Ginseng.. Licorice. Mulbery maintaining healthy and glssy hair through balancing oil & moisture. How to use After shampooing, squeeze out excess moisture, apply from mid-length to ends and massage in for 30 seconds until hair feels soft and smooth. Then rinse thoroughly.