Which chemical service can change hair texture and wave patterns?

Perming is the chemical service known for its ability to change hair texture and wave patterns. This process involves the application of a chemical solution that alters the internal structure of the hair, allowing it to be reshaped. During perming, the hair is wrapped around rods or curlers, and the solution penetrates the hair shaft, breaking down the existing bonds.

After the hair is processed, a neutralizer is applied to reform the bonds in the new shape. This results in the transformation of straight hair into curls or waves, depending on the size of the rods used. The lasting effect of a perm allows individuals to maintain the new texture and wave pattern for weeks or months, depending on hair care and growth.

Hair coloring doesn’t change the structure or pattern of the hair; it merely alters its color. Hair cutting, while it can change the appearance and manageability of the hair, does not affect its texture or wave patterns chemically. Hair straightening might modify the hair’s texture by temporarily smoothing or flattening it, but it does not create waves or curls as perming does. Thus, perming is the only service among the options that specifically changes the hair's wave pattern and texture through a chemical process.