"50 ml" refers to an online retailer specializing in niche perfumes, artistic fragrances, and high-end skincare, offering samples and full-size products from sought-after brands like Byredo, Creed, and Tom Ford, alongside a physical boutique in Milan, emphasizing discovery and personalized service. They focus on curating unique, hard-to-find items, acting as a guide to the world of luxury scents and beauty, making niche accessible with convenient online shopping and expert advice.