Prior to use, in what solution must each cape be laundered?

When using a cape, it is important to consider hygiene and cleanliness. Option A, colour-enhancing solution, and D, hair growth solution, are unrelated to the proper care and sanitation of a cape. Option C, moisturizing solution, may seem like it could be used to clean a cape, but this solution is typically used for the hair or skin, not for fabric cleaning. Therefore, the best answer is B, disinfection solution, as this solution is specifically designed to kill bacteria and germs on a cape, ensuring proper sanitation and safety for future use.