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(A,C) A 43-year-old prior to treatment; (B,D) 6 months post treatment, in which 1 mL crosslinked hyaluronic acid (HA) was injected in the deep subcutaneous plane in each malar and zygomatic area, combined with 5 mL guided SEFFI injected in the superficial subcutaneous plane in the same area in the same session.
