Yes, Letybo (letyrosine) is FDA approved. The product received 510(k) clearance in September 2023 as a neuromodulator indicated for the temporary improvement of moderate to severe dynamic facial wrinkles and folds. It represents a meaningful regulatory milestone: the first non-botulinum toxin neuromodulator approved by the FDA for aesthetic use in the United States.

What Letybo Is and How It Works