Keep yourself protected during the rainy season with health, beauty essentials from WatsonsEnjoy a well-deserved rest with your daily dose of Vitamins from Watsons! MANILA, Philippines — Rainy season is already here, so there are a lot of health risks, including dengue, colds, even skin problems. Health, wellness and beauty retailer Watsons is your partner in staying healthy and well during the rainy season. Watsons has a wide range of health products, services and offers that will help you stay in good health all year round. During the rainy season, our immune system is compromised, which results in various diseases.