101 shampoo is primarily a mild cleanser and will not irritate the scalp. It has a high concentration of herbal extracts found in 101 and 101B formulas, and leaves the hair feeling fresh and clean. It is designed to aid in improving your thinning hair condition, removing the dandruff, stopping itchiness, and make your hair to be healthier. Better effects when used in conjunction with other Dr. Zhao's Fabao 101 Hair Loss Treatment formulas.