Final answer:
Improper positioning of perm rods can result in uneven curls, undesired wave patterns, and can cause hair damage such as breakage. The process requires careful rod selection, sectioning, and wrapping to ensure even and consistent results.
Step-by-step explanation:
When perm rods are not positioned properly in relation to their bases during a perming process, the result can lead to uneven curls, undesired wave patterns, and a lack of uniformity in the size and shape of the curls.
This improper placement can cause too much or too little tension on the hair strands, resulting in inconsistent results throughout the head. Furthermore, it could lead to issues like hair breakage, excessive frizziness, or an overall unprofessional appearance.
To achieve a successful perm, it is crucial to select appropriate rod sizes, properly section the hair, and wrap the rods with the correct tension to ensure smooth, consistent curls that are in harmony with the surrounding hair.