Final answer:
Galvanic, thermolysis, and blend are methods of electrolysis used for permanent hair removal by destroying hair follicles through chemical reactions and heat. Depilation is a temporary method involving shaving or using chemical depilatories to break down keratin in hair.
Step-by-step explanation:
The hair removal methods such as galvanic, thermolysis, and blend are used in the practice of electrolysis, which is a technique for permanent hair removal. Each method involves destroying the hair follicle to prevent hair from growing back, but they do so using different approaches. The galvanic method uses direct current to create a chemical reaction that destroys the hair follicle. Thermolysis uses high-frequency alternating current to produce heat that destroys the hair follicle. The blend method combines both galvanic and thermolysis techniques for a more effective destruction of the hair follicle.
Depilation, on the other hand, refers to temporary hair removal methods such as shaving, trimming, and the use of chemical depilatories. Chemical depilatories contain active ingredients like salts of thioglycolic acid and thiolactic acids to break disulfide bonds in keratin, which allows the hair to be easily wiped away from the skin surface.