dilution
SOLVENTS
in
SOLVENTS: are liquids, virtually odorless and colorless, used in perfumery for the dilution of perfume oils. The most commonly-used solvent is ethyl alcohol. Some solvents also have fixative properties.
EAU DE COLOGNE (EDC)
in
EAU DE COLOGNE: is a solution of approximately 3 % to 5 % perfume oil in an alcohol/water mix.
The classical "eau de Cologne" is a composition of fresh, light, volatile essential oils (pre dominantly citrus oils) which contains few, if any fixatives.
Eau de Cologne is intended to be refreshing, and has a limited perfuming effect.
This is often referred to just as Cologne and has the greatest dilution of fragrances with a 3-5% concentration of perfume essence, lasting up to 2 hours.
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