Baccarat Rouge 540 is a popular fragrance by Maison Francis Kurkdjian. If you're looking to purchase it online, you can check out several reputable retailers. Here are a few options:
1. **Official Website**: The Maison Francis Kurkdjian official website often has the full range of their fragrances.
2. **Sephora**: They usually carry a variety of high-end perfumes, including Baccarat Rouge 540.
3. **Nordstrom**: Another reliable retailer for luxury fragrances.
4. **FragranceNet**: They often have competitive prices and a wide selection.
5. **Amazon**: Be sure to purchase from a verified seller to avoid counterfeit products.
Make sure to read reviews and check return policies before making a purchase!