What is the reducing agent typically used in an alkaline perm?

In alkaline perms, the reducing agent used is ammonium thioglycolate. This substance is key in altering the structure of the hair during the perming process, allowing it to be reshaped. Ammonium thioglycolate breaks down the disulfide bonds in hair, making it more pliable, which enables the hair to take on the new curl pattern defined by the perm rods.

This chemical is effective at a higher pH level, which is characteristic of alkaline perms, making the hair more susceptible to the perming process. It also allows for a faster reaction time compared to other perming agents, which is advantageous in a salon setting for providing quicker service to clients.

Other reducing agents, while they may also serve some perming functions, do not provide the same benefits at the alkaline level needed for this specific type of perm. Understanding the role of ammonium thioglycolate helps in both performing perms effectively and advising clients on the best options for their hair type and desired outcomes.