Application-based market taxonomy splits injectable consumption into facial line softening, volume restoration, lifting & contouring, skin quality improvement, and focal fat reduction. Facial line softening retains the dominant share because glabellar and crow’s-feet indications are reimbursed informally in many Asian clinics, sustaining neurotoxin and low-G' filler volumes. Volume restoration—mid-face, temples, and chin—drives HA sales of high-viscoelastic gels, with clinics shifting toward cannula techniques to reduce bruising downtime and differentiate service bundles. Lifting & contouring applications increasingly combine threads with fillers, expanding the addressable market 1.3-fold. Skin quality improvement (micro-bolus HA, platelet-rich plasma) benefits from combination protocols with energy devices, posting 11 % growth as patients seek "glass skin" aesthetics. Focal fat reduction, though smallest, benefits from rising chin-treatment photography in social media, pushing 6 % annual unit growth despite price pressure from generic deoxycholic entrants.