Research Article: RELAX and FIRMNESS: The Combination of Muscle Relaxation with Botulinum Toxin and Collagen Biostimulation with Calcium Hydroxyapatite for the Treatment of the Cervical Region
Introduction:
Skin aging of the cervical region is a common complaint of patients, evolving with skin laxity and atrophy, loss of mandibular contour, hyperactivity of the platysma muscle, and formation of platysmal bands. –
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