Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Hydrosols are water-based products made from the distillation of fresh flowers, leaves, fruits, and other plant materials. Some claim they have health benefits, but there is limited scientific ...

Medically reviewed by Arno Kroner, DAOM Filling your diffuser with filtered or bottled water prevents damage from hard ...

Essential oils are concentrated compounds extracted from plants through steam or water distillation, or mechanical methods, such as cold pressing. Essential oils are most commonly used in the practice ...