Optiphen - Optiphen is a paraben and formaldehyde-free preservative.
It consists of Phenoxyethanol and Caprylyl Glycol. The Caprylyl Glycol
is essentially a carrier base for the Phenoxyethanol. Optiphen is a
clear liquid that has no pH restrictions and is safe for use at
temperatures below 176 degrees. It is suggested for usage levels at .5
- 1.5% and is best used in oil based products.
INCI: Phenoxyethanol (and) Caprylyl Glycol