Sweat glands are the primary source of foot secretion and allow for a high level of hydration particularly as the feet are often confined in socks and closed shoes/trainers. Foot perspiration with its distinct cheesy, acid note smells different from axilla perspiration due to a different composition of the skin's micro flora, which is responsible for foot malodor. The different perfumes of the products have therefore also been optimized to cover possible foot malodor or axilla malodor respectively.