Penhaligon's is a legitimate and well-regarded brand in the fragrance industry. The company has received an excellent rating of 4.3 out of 5 based on 1,219 reviews on Trustpilot. Customers appreciate the high-quality perfumes and the creativity behind each scent. However, there have been some complaints about customer service, with a few customers experiencing delays in receiving their orders or issues with promotional codes. Despite these occasional issues, the majority of customers are satisfied with their purchases and the overall experience.