What is the primary function of a hair conditioner?

The primary function of a hair conditioner is to add shine and moisture to the hair. Conditioners are formulated to penetrate the hair shaft, hydrate and smooth the hair cuticles, which helps enhance the overall appearance and manageability of the hair. By providing moisture, conditioners can reduce frizz, improve texture, and restore shine, making hair look healthier and more vibrant. This is essential for maintaining the hair's natural luster and softness, particularly after washing, which can sometimes strip the hair of its natural oils.

The other options represent functions that are generally associated with different types of hair products. Cleansers are responsible for removing dirt and product buildup, while some products focus on excess oil removal. Additionally, while conditioners may help detangle and prepare hair for styling, that is not their primary role. The main focus remains on enhancing moisture and shine.