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In 1934, the German biochemist Karl Meyer and his colleague John Palmer isolated a previously unknown chemical substance from cows’ eyes.1 Because the substance contained uronic acid, one of the two sugar molecules found in large quantities in the vitreous humour, they named it “hyaluronic acid”.2
To address age-related changes in skin quality and appearance, HA injections are an attractive treatment option. Hyaluronic acid can be injected into the dermis of our skin to fill and plump specific areas.
Hyaluronic acid dermal fillers and botulinum toxin are both widely used to treat wrinkles.1 However, meaningful differences exist among HA dermal filler preparations and botulinum toxin formulations