Seasonal Wash DuoFellow Summer Wash and Fellow Winter Wash are designed specifically for the way your hair responds to the changes in the seasons. During the summer, your hair and scalp typically produce more oils and a gentle cleanser is best when it lets those oils condition your hair. In the winter, the cold air and hot showers can dry your hair and scalp. For that, a nourishing and conditioning wash is the best bet to leave your hair feeling healthy. Both formulas