The phrase likely refers to visual documentation of hair coloring results using a product called “Soy4plex 9nn.” “9nn” likely designates a specific shade within the product line. Before-and-after photographs provide a direct comparison illustrating the product’s effects on hair color, showcasing potential transformations like lightening, darkening, or tonal shifts. These images serve as examples of achievable results.
Such visual aids are crucial for consumers considering hair color products. They offer a realistic preview of potential outcomes, assisting in informed product selection. Before-and-after pictures can build consumer confidence by demonstrating the product’s efficacy and showcasing the expected color transformation. In the context of marketing and advertising, these visuals can be highly persuasive, driving purchasing decisions. Historically, visual representations have been essential in the beauty industry, evolving from hand-drawn illustrations to high-quality photography and digital imaging.