Final answer:
Color-protecting shampoos are formulated to be gentle on artificial hair color, avoiding harsh surfactants and often containing conditioning agents to maintain hair health. Therefore, the correct option is D.
Step-by-step explanation:
The shampoos referred to in the question are Color-protecting shampoos. These shampoos are specifically formulated with little to no alkaline soap base, making them ideal for use on color-treated hair. They work well with soft water sources and are designed to cause minimal fading of artificial hair color. These specialty shampoos avoid harsh surfactants such as sodium lauryl sulfate or sodium laureth sulfate that can strip hair color, instead opting for gentler alternatives. They may also contain conditioning agents like silicones and are often pH-balanced to ensure they are gentle on the hair and scalp.