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en.wikipedia.org/wiki/Perm_(hairstyle)

A permanent wave, commonly called a perm or "permanent", involves the use of heat and/or ... As the demand for self-determination grew among women, hair was shortened so that .... which are mildly alkaline (having a high pH) but are relatively harmless. .... Acid perms, or buffered wavers, are slower but gentler to the hair.

www.differencebetween.net/science/difference-between-alkaline-and-acid-perm

Feb 20, 2011 ... Alkaline vs Acid Perm One thing that you will first notice when you look at people is their hair. People are born with different types of hair, ...

www.hairfinder.com/hair3/acid-alkaline-perm.htm

What is the difference between an acid perm and an alkaline perm? When should you use it and on what type of hair?

www.differencebetween.com/difference-between-alkaline-perm-and-vs-acid-perm

Mar 8, 2011 ... Alkaline Perm vs Acid Perm Alkaline Perm and Acid Perm are two methods of perming. Perming has been a constant practice by beauty ...

www.ask.com/youtube?q=What+Is+The+Difference+Between+Acid+Permanents++Alkaline+Permanents&v=en2ThabUHAE
Mar 15, 2014 ... How Do I Choose the Right Perm for My Hair? ... THE DIFFERENCE between a FLEXI ROD SET and a PERM ROD SET - Duration: 3:48.

quizlet.com/8208031/cosmetology-flash-cards

Not true acid waves, as they have a pH between 7.8 and 8.2 and use glyceryl ... Active ingredient or reducing agent in alkaline permanents. .... they are not lye, their chemistry us identicalm and there is very little difference in their performance.

womenfitness.net/beauty/hair/hairstyles_waves.htm

A permanent wave is a service that creates permanent curl, waves, or body. To achieve ... There are two types of permanent waves: alkaline and acid. Each type  ...

www.ehow.com/facts_5992508_acid-vs_-alkaline-perm.html

Alkaline perms contain a low acidity, between 9.0 and 9.6 pH. Acid perms contain between 4.5 and 7.0. They are much more acidic and require additional heat ...

www.flashcardmachine.com/chapter-2091.html

Apr 21, 2013 ... Definition ... Also know as COLD WAVES; have a pH between 9.0-9.6, use ammonium thioglycolate (ATG) as a reducing agent, and process at room ... amino acids ... Active ingredient or reducing agent in alkaline permanents ...