Segmentation by type classifies peroxide killers into organic, inorganic, solid, and liquid chemistries, each with sub‑categories that shape the market’s structural composition. Organic peroxides, such as peracetic acid and benzoyl peroxide, deliver broad‑spectrum antimicrobial activity and dominate the high‑value niche, especially in pharmaceutical sterilization, contributing a sizable share of premium pricing. Inorganic peroxides, principally hydrogen peroxide, are favored for large‑scale water treatment and surface disinfection due to cost efficiency and ease of handling, underpinning the bulk of volume sales. Solid peroxide forms—powders and granules—provide stability for transport and storage, meeting the needs of remote or resource‑constrained sites, and command a modest but growing portion of the market as logistics considerations intensify. Liquid peroxide solutions, encompassing various concentrations, dominate day‑to‑day operational use across most sectors, reflecting the highest overall market penetration. This taxonomy clarifies how each chemical class contributes to total market size through differentiated performance attributes, regulatory acceptance, and pricing structures.