Re: Propylene glycol= glycerin derivative.
Posted by Ilithiya on June 27, 2004 at 13:11:19:
In reply to: Propylene glycol= glycerin derivative. posted by Stormheller on June 25, 2004 at 22:13:14:
: It's basically glycerin. It's what makes lotion and conditioner and: shampoo have that 'thick' consistency and traps water in the air to
: help moisturize your skin and hair. I don't think it has any effect
: on color.
*nods* Was thinking of its use as more of a base rather than a dye
catalyst. It's not, in my opinion, safe enough to use as a
base/carrier because there's better things out there; I'm sure that a
mucilage and glycerin mix would work just as well.
Illy
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For amusement's sake...
http://www.atsdr.cdc.gov/tfacts96.html
What are ethylene glycol and propylene glycol?
Both ethylene glycol and propylene glycol are clear, colorless,
slightly syrupy liquids at room temperature. Either compound may
exist in air in the vapor form, although propylene glycol must be
heated or briskly shaken to produce a vapor. Ethylene glycol is
odorless but has a sweet taste. Propylene glycol is practically
odorless and tasteless.
Both compounds are used to make antifreeze and de-icing solutions for
cars, airplanes, and boats; to make polyester compounds; and as
solvents in the paint and plastics industries. Ethylene glycol is
also an ingredient in photographic developing solutions, hydraulic
brake fluids and in inks used in stamp pads, ballpoint pens, and
print shops.
The Food and Drug Administration (FDA) has classified propylene
glycol as an additive that is "generally recognized as safe" for use
in food. It is used to absorb extra water and maintain moisture in
certain medicines, cosmetics, or food products. It is a solvent for
food colors and flavors.
Propylene glycol is also used to create artificial smoke or fog used
in fire-fighting training and in theatrical productions.
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