PSI Barbering Practice Exam 2025 - Free Barbering Practice Questions and Study Guide

Concentrated protein conditioners are specifically formulated to improve the tensile strength of the hair. This means they help to strengthen the hair fibers, making them more resilient and less prone to breakage. The proteins in these conditioners, such as keratin, are fundamental building blocks of hair, and when applied, they can penetrate the hair shaft, reinforcing its structure and improving its overall health.

By repairing the inner structure and providing additional strength, these conditioners can help maintain the integrity of the hair, especially in individuals with damaged or chemically treated hair. While many conditioners may offer lubricating or moisturizing properties, the primary goal of concentrated protein conditioners is to enhance the strength and durability of each hair strand, thereby promoting healthier hair over time. Thus, focusing on the strengthening aspect aligns perfectly with the function of concentrated protein conditioners.