What is a common result of applying chemical bonding treatments to hair?

When chemical bonding treatments are applied to hair, one of the primary effects is that the texture of the hair is altered. These treatments work by breaking the natural bonds within the hair structure, enabling changes to be made to its appearance and texture. For example, chemical processes such as relaxers or perms can change straight hair to curly or vice versa.

The alteration in texture can lead to significant changes in how the hair behaves, its manageability, and its overall look. This is due to the rearrangement of the disulfide bonds, which are responsible for the natural texture of the hair. As a result, individuals who undergo such treatments often notice changes that can include increased smoothness, reduced frizz, or a complete transformation in curl pattern.

The other options—hair becoming more porous, thicker, or retaining its natural curl—do not accurately reflect the typical outcomes of chemical bonding treatments. While some treatments might influence porosity, the primary and most noticeable result is an alteration in texture.