Normally the scalp exfoliates every 20-30 days. However, several factors such as hormonal imbalances, stress, pollution, mechanical or chemical effects and unsuitable shampoos unbalance the scalp flora promoting development of the micro-organism Malassezia furfur, which in turn causes inflammation and intensive exfoliation. Celery seed natural extract is the main active ingredient in this line. It is clinically proven to hinder development of Malassezia furfur yeast and reduces flaking within the very first weeks.