YY001 & Recombinant Botulinum Toxins: A Clinical Overview
April 25, 2026
A recombinant botulinum toxin type A called YY001 recently completed a Phase III trial showing favorable efficacy and safety results compared to onabotulinumtoxinA for glabellar lines. While the product is not available in the United States, understanding how recombinant toxins differ from traditional formulations helps aesthetic providers evaluate emerging data and marketing claims.