FORMAL KLEIN offers a range of skincare, health foods, pharmaceuticals, and bath additives. Their product lineup includes basic skincare, whitening skincare, high concentrate skincare, sensitive skin care, moisturizing care, UV protection, base makeup, all-in-one gels, health foods, and pharmaceuticals. The company emphasizes detailed care and customer-oriented service, managing products from manufacturing to sales. Their product brands include Flavia, Simitry, Flavan, and Whiteal. Customer service is available via designated phone numbers during weekdays. They aim to deliver true beauty through carefully crafted products and heartfelt hospitality.