Carefully read all labels on the packaging - the name of the perfume must be specified correctly (often fraudsters use reception replacing one letter, which did not immediately notice). The name of the country of manufacture must be written in English or French. The ability to read barcodes can be useful to you, but it is often enough just his presence. List of all the ingredients that make up the toilet water is not obligatory sign of authenticity toilet water, but an indication of the percentage of alcohol must be present on the packaging. Unclear printing design (blurred letters and numbers, peel off stickers, curve printing) may indicate improper quality.
Reputable manufacturers spend a lot of money to ensure that their brand vial was difficult to counterfeit, so it will be nice if you at least will have an idea on how should look like a toilet tank with water. Otherwise, limit your external examination - the glass should be strong and thick, with no chips or cracks, scuffs and defects. Usually stamped on the bottle volume in milliliters - rub the label with your finger to make sure that it is not erased. At the bottom of the bottle there is often engraved.
Get the toilet water only in specialty stores and boutiques - there you can request a certificate of conformity for products. If somewhere you refuse to provide it, it is better to buy toilet water at another store, because these products may be adulterated.
Already purchased goods can be distinguished not only by the smell. Place the bottle in the fridge for a while - if the liquid is cloudy, then you have a reason to contact the store and demand a refund.