Wella Professionals Invigo Balance Senso Calm Sensitive Shampoo, with allantoin, is a fragrance-free shampoo that soothes and calms sensitive scalps. This shampoo soothes and stimulates sensitive scalp while alleviating itchiness, leaving it calmed and relaxed. It contains active ingredients such as bamboo, caffeine and menthol which combine to treat scalp and provides much needed nourishment, protection and a refreshing cleanse. Resulting in fresh, clean and healthy-looking hair.