The second dimension of Natural Antimicrobial Agents for Textiles segmentation concerns the type of bio‑active ingredient employed. Essential‑oil extracts such as tea‑tree, lavender, and eucalyptus dominate with an estimated 45 % share, owing to their broad-spectrum efficacy, low toxicity, and compatibility with conventional dyeing processes. Chitosan‑based agents, derived from crustacean shells, contribute roughly 30 % and are valued for their film‑forming ability and synergistic action with metal‑based finishes. Plant‑derived polyphenols (e.g., neem, curcumin) account for about 15 %, offering antioxidant properties that enhance durability of the antimicrobial effect. Bioactive peptides sourced from microbial fermentation represent the remaining 10 %, a niche that is expanding as precision‑engineering techniques improve scalability and cost efficiency. Each type influences cost structures, regulatory pathways, and end‑use performance, thereby shaping the overall market size. The distribution of these sub‑categories reflects both consumer preference for natural provenance and the technical constraints of textile manufacturing. Consequently, manufacturers prioritize formulation optimization to balance efficacy with fabric hand feel.