What is the main function of conditioner?

The primary function of a conditioner is to moisturize and detangle the hair. Conditioners are formulated with specific ingredients that help to hydrate the hair, making it softer and more manageable. They work by coating the hair shaft, reducing friction, and allowing strands to slide past each other more easily, which minimizes tangles. Additionally, conditioners can help restore moisture that may have been stripped away during washing or styling, leaving the hair feeling nourished and less prone to breakage.

The other functions mentioned in the other choices are not associated with the primary purpose of conditioners. Coloring the hair is a process that involves dyes or color treatments and does not relate to conditioning properties. Providing hold and stiffness is typically the role of styling products, such as gels or hairsprays, rather than conditioners, which focus on softness and smoothness. Cleaning hair is the responsibility of shampoos, designed specifically to remove dirt, oil, and product buildup, while conditioners are meant to work after cleansing to enhance the hair's condition.