Multiple choice

In galvanic electrolysis, the chemical agent the destroys hair is

  1. Sodium Hydroxide

  2. Hydrochloric Acid

  3. HCl

  4. Sodium Carbonate

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Galvanic electrolysis uses direct current to cause a chemical reaction in the follicle. This reaction produces sodium hydroxide (lye), which is the caustic agent that destroys the hair root.