Perfume, Cologne, and Toilet Water Bottles as a group come in a variety of shapes and sizes. This group of bottles is often referred to as simply “Scent Bottles,” although historically, there was a difference between perfume and scent. Perfume was and is used primarily for personal embellishment whereas scent, commonly meant perfume that contained ammonia and was used for reviving fainting females or just "social smelling," (masking body odors of others). The real difference between perfume and cologne/toilet water was essentially concentration with cologne/toilet water being much less concentrated (alcohol diluted) and less expensive than perfume.