Segmentation by type further refines the market into distinct product families: Botulinum toxin (primarily type A and, to a lesser extent, type B) and hyaluronic acid (HA) dermal fillers (classified by molecular weight, cross‑linking density, and formulation). Type A toxin dominates the toxin sub‑segment, capturing over 90% of toxin sales because of its established safety profile and broader indication set; type B remains niche, used mainly for patients with resistance to type A. HA fillers are divided into low‑molecular‑weight, high‑molecular‑weight, cross‑linked, and non‑cross‑linked variants, each targeting specific anatomical zones and longevity expectations. Cross‑linked, high‑density fillers command premium pricing and drive a sizable portion of filler revenue, while low‑density, non‑cross‑linked products support volume‑filling in larger treatment areas. Understanding these sub‑types clarifies how product differentiation influences overall market size, pricing dynamics, and competitive positioning within the broader Botulinum Toxin & HA Dermal Filler market.