Glossary · Formulation
What Is Essential Oils?
Essential oils are volatile, aromatic plant extracts used in cosmetics for scent and sometimes for perceived functional benefit. Their composition varies with species, harvest and extraction method, which makes them chemically variable inputs, and several of their naturally occurring components are regulated as fragrance allergens.
Why it matters when you source
Essential oils behave like fragrances from a compliance perspective but are often described as though they were actives, and that gap is where label problems begin. Ask for the allergen content of the specific oil used, because natural origin does not exempt a component from declaration.
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