Introduction The global flame-retardant textile market, valued at USD 4.94 billion in 2024, is projected to reach USD 7.61 billion by 2035 (CAGR 4.01%). Conventional flame-retardant (FR) finishes rely on high chemical loading (15–30 wt%) that compromises fabric handle, breathability, and durability. Nanotechnology addresses these limitations by engineering ultra-thin, multifunctional coatings at the fiber surface. …