Digital perm

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A digital perm is a perm that uses hot rods with the temperature regulated by a machine with a digital display, hence the name.[1] The process is otherwise similar to that of a traditional perm. The name "digital perm" is copyrighted by a Japanese company, Paimore Co.[2] Hairstylists usually call it a "hot perm."

A normal perm basically requires only the perm solution. A digital perm requires a (different) solution plus heat. This type of perm is popular in several countries, including South Korea and Japan.[3]

Difference between a normal perm and a digital perm[edit]

The biggest difference between other perms and a digital perm is the shape and the texture of the wave created by the digital process. A normal perm, or "cold perm," makes the wave most prominent when the hair is wet, and loose when it is dry. The hair tends to look moist and as locks. A digital perm makes the wave most prominent when the hair is dry, and loose when it is wet. Therefore you can create the dry and curly look of the curl iron or the hot curler.

Digital perms thermally recondition the hair[citation needed], though the chemicals and processing are similar to a straight perm. The hair often feels softer, smoother, and shinier after a digital perm.

Cost and time of a digital perm[edit]

The price depends on the hair salon, but a digital perm is usually a little more expensive than a cold perm. Also, some hair salons have systems where they can use the machine one at a time, in which case the price could be a lot higher.

The time it takes to perm the hair also depends on the hair salon and the hair type, but it usually takes longer than a cold perm. In some cases, it takes about the same time, but different salons use different solutions and machines, so the time varies.


A cold perm makes the hair most wavy when it is wet, so to put the styling gel/foam when it is wet and air-drying it makes the wave most prominent. A digital perm makes the hair wavy when it is dry, so you just need to dry it with a blow dryer, and use your hand to make the curl. Styling is very easy, and if you set the curl in the morning, at the end of the day when the wave loosens, you can revive the curl just by curling it with your finger.

See also[edit]


  1. ^ Hughes, Sali. "Sali Hughes: digital perms", The Guardian, 13 July 2012.
  2. ^ Paimore Ltd. website in Japan
  3. ^ Cf. Liu for digital perms in Chinatown in Boston, Massachusetts.

Further reading[edit]

  • Liu, Christine, Le Gala Hair Group: Introducing the digital perm, Boston's Weekly Dig, Wednesday, January 31, 2007, Issue 9.5.
  • Pastor, Pam, Hi-tech hair, Philippine Daily Inquirer
  • Red, Isah V. (2006-09-22). "Erik Mana: strikes again". Philippines News - Manila Standard Today. Retrieved 2008-03-12.