Hydrosols for animals By Françoise Heitz
- Aromatika Magazine
- Jul 8
- 2 min read
Pg. 84-90 - 6-minute read
Hydrosols are the water-based products created during the distillation of aromatic plants for essential oils, although some plants, such as cornflower and witch hazel, are distilled specifically for their hydrosols. While they contain only trace amounts of essential oils (around 0.1%), they also carry water-soluble plant compounds and are composed primarily of water. Historically, hydrosols were widely used before falling out of favor after the 18th century, but they have regained interest for both human and animal care. Much of the practical knowledge we have today comes from clinical experience and experimentation, particularly in veterinary practice.
Although hydrosols are generally considered gentle, their composition varies depending on the plant. They may contain significant amounts of water-soluble constituents such as ketones and phenols, some of which can be unsuitable for cats, young animals, or pregnant animals because of their potential neurotoxic or abortifacient effects. Beyond their measurable chemical constituents, some practitioners propose that hydrosols also retain the "information" of the plant through the distillation process, suggesting this may contribute to their rapid action despite their low concentration of active compounds. While this concept remains theoretical and extends beyond established scientific consensus, it is a perspective held by some hydrosol practitioners.
The quality of a hydrosol depends heavily on how it is produced. Genuine hydrosols are obtained through steam distillation and differ from commercially manufactured "floral waters," which may contain synthetic fragrances, preservatives, or colorants. Factors such as organic cultivation, proper harvesting, distillation methods, and adequate maturation all influence the final product. Proper storage is equally important, with most hydrosols remaining usable for about one year when stored in cool conditions. Visible cloudiness, filament formation, or unpleasant odors are signs that a hydrosol should no longer be used.
In veterinary applications, hydrosols can be used both externally and internally. They are commonly applied to the skin, wounds, eyes, ears, and oral cavity, either directly, diluted, or as a spray, while also helping reduce unpleasant odors. Internally, they are administered in small doses mixed with drinking water or given orally, with dosage adjusted according to the animal's body weight. They are used in companion animals as well as livestock for general wellness, hygiene, and supportive care, including traditional parasite management protocols. However, appropriate plant selection and species-specific safety considerations remain essential, particularly for cats and other sensitive animals.
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