1. The business mainly operates in the United States, with core products including eyelash growth serum, eyebrow growth serum, nail products, skincare, haircare, and other personal care products. 2. In Health / Medical (personal care and beauty), it is a vertical brand e-commerce business, with competitors including other beauty product brands such as RevitaLash. 3. The official website brand terms are "NYK1" or "NYK1SECRETS".