Page 31 - HPIC-Magazine (Feb-2021)

Special Article

flooding the market and if you don’t in your car, purse, or even around pared on a small scale at home or
pay attention to the alcohol content, your home. Gels are generally better in a laboratory, using basic equip-
you may end up buying a non-effec- than and preferable to liquids. ment. For the hand gel to be effective
tive hand sanitizer which may smell against viruses such as COVID-19,
nice but not do the job as required. Gels also perform significantly the final product should contain
better on skin tolerance parameters. 60-95% ethanol or 70-91.3% isopropyl
The world has shifted to disease Ethanol-based hand sanitizers tend- alcohol. Ethanol is less concentrated
preventative measures in a bid to re- ed to dry faster than isopropanol- than isopropyl alcohol, so you will
duce the spread of the coronavirus. A based. For both types of sanitizers, need to use slightly more.
hand sanitizer should not be treated gels took longer to dry than other
as a cure, but simply a preventative formulations. Next Generation Polymer Techno-
measure. logy
Gels are easy to use and provide Acrypol®956, is a synthetic high
The World Health Organization the best and most complete cover- molecular weight cross linked poly-
(WHO) defines an alcohol-based hand age to the skin. The correct dose can acrylate polymer developed by Corel
sanitizer as: “An alcohol-containing be dispensed and easily remains in Pharma Chem. Although primarily
preparation (liquid, gel or foam) de- the palm until you rub your hands used in aqueous system with neutra-
signed for application to the hands together and spread the sanitizer to lization, it can also be used in solvent
to inactivate microorganisms and/or all parts of your hands. Gel sanitizers systems, with neutralization. It is
temporarily suppress their growth. can be spread evenly thus providing capable of providing excellent trans-
Such preparations may contain one the best defense against germs and parency and forms sparkling clear gels
or more types of alcohol, other active it dries quickly. In high-risk settings, in alcohol. It has very good alcohol re-

ingredients with excipients, and such as health care or food process- sistance, so less quantity gives high
humectants.” ing/food service, alcohol gels are the viscosity of hydro-alcoholic gel. There
best choice as they generally provide is no significant effect of temperature
Why Hand Sanitizing Gels? a higher dosage amount and more on viscosity performance. It is gene-
Hydro-alcoholic hand sanitizing effectiveness. The friction created rally used in cosmetic industries.
gels have found increasing use by by using sanitizing gels may be a
consumers and institutional facili- more effective way to rid the hands
ties. These gels have gained popu- of germs.
larity due to their ability to instantly
kill germs and bacteria on the hands Sprays are somewhat wasteful,
without the use of soap and water. as some of the product will miss
These gels can be formulated to your hands or be deflected into the
provide pleasant sensory and good air. Wipes may or may not be as ef-
conditioning on the hands, while fective as a gel although they offer
providing effective disinfecting per- both chemical and mechanical means
formance. of germ elimination, it would be im-
portant to achieve full coverage of the Applications include hydro-alco-
Alcohol-based hand sanitizers can entire hand to sanitize your hands. holic gel, hand sanitizer gel, antibac-
be made in the form of a gel, which Foam is a cost-effective alternative terial gel, toothpaste gel, nail polish
allows the alcohol to remain in con- for facilities as it can stretch dollars remover gel and as rheology modifier
tact for the hands for longer while by delivering less product per “dose” for topical gels, lotions and creams.
hand washing/hand rubbing. Hand The mere action of foaming a sanitizer
sanitizer gel is easy to transport and adds air to the “dose” thus less Polymer selection for hand sanitiz-
apply without creating a fire hazard. active ingredient is delivered in the ap- ing gels
plication to the hands. Formulas tend The Hydro alcoholic gel composi-

Consumers have found gel easier to be water thin for spray applications tion includes: Ethanol at 60% to 90%
to dispense and handle than liquid and doses need to be smaller so that (w/w) or Isopropanol at 70% to 91.3
sanitizers. Gel hand sanitizer is an the product will not pour over and v/v (deemed safe by United States
excellent option for keeping your through the hands once dispensed. Food and Drug Administration (US
hands clean throughout your day. FDA), Centers for Disease Control
Easy to dispense and keep at hand, Hand sanitizer gel can be pre- and Prevention (CDC) and the WHO),
Home, Personal & Institutional Care India February 2021 31