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Fixative (perfumery)
A
fixative
is used to
equalize
the
vapor pressures
, and thus the
volatilities
, of the
raw materials
in a
perfume
oil
, as well as to
increase
the
tenacity
.
Natural
fixatives
are resinoids and
animal products
.
Synthetic
fixatives include
substances
of
low
volatility
and
virtually
odorless
solvents
with very low
vapor
pressures
.