Why is it significant to test fabrics for allergenic substances?

Testing fabrics for allergenic substances is crucial primarily to prevent allergic reactions in sensitive individuals. Many people can have sensitivities or allergies to specific chemicals used in fabric production, such as dyes, finishes, or additives. By identifying and controlling these allergenic substances, manufacturers can create textiles that are safer for consumers, thereby promoting health and well-being. This layer of safety is particularly important in products that have close contact with the skin, such as clothing, bedding, and upholstery.

The other options focus on aspects of manufacturing and fabric performance but do not directly relate to health concerns. Ensuring cost-effectiveness, verifying colorfastness, and enhancing moisture content are all important factors in the textile industry, yet they do not address the vital issue of allergic reactions that can significantly impact individuals' health. Thus, prioritizing the testing for allergenic substances is essential for consumer protection in the fabric industry.