What effect does pre-softening have on the cuticle of the hair?

Pre-softening refers to a technique used in hair care, particularly during processes such as coloring or perming, where the cuticle is treated to allow for better penetration of products. When pre-softening is applied, it causes the cuticle, which is the outermost layer of the hair, to soften and swell. This is significant because a softened cuticle is more receptive to conditioners, dyes, and other treatments, facilitating better absorption and even distribution of these products throughout the hair shaft.

This process is essential for achieving desired results in hair treatments, as an open or swollen cuticle allows for easier access to the inner layers of the hair. By softening the cuticle, professionals can enhance the effectiveness of various treatments, leading to improved hair health and appearance. Therefore, the correct answer highlights the important effect that pre-softening has in preparing the hair for subsequent treatments by softening and swelling the cuticle.