Filler
Hyaluronic acid fillers: what the numbers on the box mean, how the product behaves once it is placed, and how long it really lasts.
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Why 20 mg/ml tells you less than you think
Concentration is the number every clinic quotes. Cross-linking is the one that decides how a filler behaves in your face — and…
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Lip filler migration: what causes it, and what doesn’t
Migration gets blamed on product, technique and bad luck in roughly equal measure. Only some of that is fair.
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How long does 1 ml actually last?
The honest answer depends on where it goes, how much you move, and what the product was built to do.