Hair Tonic and Hair Preparations bottles are similar to liquor bottles except they were not made of heavier glass and round in body shape. The thickness of the glass and in some cases the shape is a feature that can be useful in bottle identification. Generally speaking the glass thickness of Hair Tonic and Hair Preparations bottles is distinctly less than for whiskey, soda/mineral water, beer, and most wine and champagne bottles.
There are hundreds of Hair Tonic and Hair Preparations product manufacturers and store proprietors bottles that were made between the 1850s and 1920s. Beside the product manufacturers and store proprietors names found on these bottles you can also find the following product names; Hair Tonic, Hair Shampoo, Hair Balsam, Hair Restorer, Hair Generator, Hair Vigor, Hair Life, Hair Grower, Hair Restorer, Hair Reviver, Hair Fluid, Hair Oil, Hair Wash, Hair Dressing, Hair Preservative, Hair Dye etc.