Segmentation by types classifies the solutions into three functional categories: Preservative solutions, Stabilizing agents, and Transport media. Preservative solutions—often alcohol‑based or formaldehyde‑free—constitute the bulk of sales, offering rapid fixation while preserving nuclear detail, and they dominate the market due to their compatibility with automated processing equipment. Stabilizing agents, typically buffered formulations, are employed when extended storage or delayed analysis is required; they represent a niche but growing share as laboratories seek flexibility in workflow timing. Transport media, designed for safe shipment of specimens between collection sites and diagnostic centers, add a logistical dimension and capture a modest portion of revenue. Within each type, sub‑variants (e.g., buffered alcohol, non‑volatile organic solvents) further differentiate product portfolios, influencing pricing tiers and adoption rates across the application segments outlined earlier.