What advantage do professional products have over retail products typically found in stores?

Professional products are formulated to deliver superior results compared to retail products sold in stores. These products are typically designed for use in a professional setting, like salons or spas, where trained professionals can apply them based on their knowledge of skin and hair types. This expertise allows for more effective application techniques and customization that are not possible with off-the-shelf consumer products.

Furthermore, professional products often contain higher concentrations of active ingredients, making them more effective for achieving specific outcomes, such as enhancing hair condition or treating skin issues. This level of effectiveness is what gives these products an advantage over those available at retail stores, where formulations are generally designed for general use and may lack the potency or specificity of professional-grade products.

In contrast, the other options do not accurately reflect the primary benefits of professional products. While affordability, shelf life, and concentration are relevant considerations, they do not directly speak to the outcomes or results the guest experiences when using these types of products.