The Photocatalyst Textiles market is dissected primarily by application, a taxonomy that determines revenue allocation across end‑use sectors. Apparel accounts for roughly 35 % of total sales, driven by consumer demand for self‑cleaning and odor‑resistant garments. Home textiles—including curtains, upholstery, and bedding—represent about 28 %, reflecting growing awareness of indoor air quality and surface decontamination. Technical textiles such as filtration media, automotive interiors, and protective covers capture close to 22 %, where durability and catalytic performance are critical performance criteria. Medical textiles hold a smaller yet strategic 10 % share, primarily in wound‑care dressings and antimicrobial hospital linens where sterility is paramount. The residual 5 % is classified as Other applications, encompassing niche uses like sports equipment and aerospace components. Together, these application segments compose the full Photocatalyst Textiles segmentation, each contributing distinct cost structures, regulatory environments, and growth dynamics that shape the overall market size. Investors monitor these ratios to allocate R&D budgets, as higher‑margin apparel and technical segments attract disproportionate funding.