Discover the best natural preservatives for hydrosols, including potassium sorbate, citric acid, and sodium benzoate. Learn how they work, proper usage concentrations, and how to keep your hydrosols fresh and microbe-free with safe, food-grade preservation methods.

Estimated essential oil yield from different herbs.

This guide will walk you through creating a luxurious lemongrass lotion using fresh lemongrass hydrosol and jojoba oil.

Dr Leo e-book Tinctures of 48 Beneficial Herbs