A clear, gentle liquid created via steam distillation. It usually contains 14% alcohol as a preservative unless labeled "Alcohol-Free."

A more concentrated version made by soaking the plant in a solvent. It often has higher tannin levels but can be harsher on sensitive skin. 2. Alcohol-Free vs. USP

For high-end formulations and alcohol-free options, sites like Thayers and LookFantastic offer curated selections.