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Hydrolipoclasy is a technique that is being studied as an alternative to liposuction. It involves injecting a hypotonic solution into an area of fat and than subjecting it to ultrasound waves.
References
^ Fonseca, BelchiolinaB; Godoy, FúlvioB; Levenhagen, MarceloA; Melo, RobertaT; Franco, MarianeA; Beletti, MarceloE (2011). "Structural changes of fat tissue after nonaspirative ultrasonic hydrolipoclasy". Journal of Cutaneous and Aesthetic Surgery. 4 (2): 105. doi:10.4103/0974-2077.85025.{{cite journal}}: CS1 maint: unflagged free DOI (link)