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Masseter hypertrophy

Masseter hypertrophy refers to enlargement or prominence of the masseter muscle. In botulinum toxin discussion, it often appears around lower-face contouring, jawline shape, and sometimes functional concerns such as jaw tension.

Masseter treatment is frequently discussed with type A products such as Botox, Dysport, and Jeuveau / Nabota, especially in markets where lower-face contouring is a prominent aesthetic topic.

Approval status, product naming, dose language, and common practice vary by region. The topic should therefore be read as a use context, not as proof of one universal indication shared across products or countries.

Masseter hypertrophy shows why aesthetic botulinum toxin interpretation is not limited to wrinkle softening. The target is a chewing muscle that contributes to lower-face shape and function. That makes anatomy, dose distribution, symmetry, and functional tradeoffs more important than in many upper-face line discussions.

It also connects naturally to Korean product and market context through Daewoong Pharmaceutical and Nabota / Jeuveau, while still requiring careful separation between regional product identity and local approval claims.

TopicWhy it matters
Target muscleThe masseter affects jaw shape and chewing function, not only facial appearance.
Regional practiceLower-face contouring is discussed differently across markets.
Product identityType A products do not share one unit scale or one global label.
Safety framingChewing comfort, smile balance, and facial proportions are part of interpretation.