Clinical Study

A Comparative In Vivo Study on Three Treatment Approaches to Applying Topical Botulinum Toxin A for Crow’s Feet

Figure 3

Representative clinical photographs of intramuscular injections technique group (crow’s feet dynamic wrinkles): (a) baseline, (b) 1 week after treatment, (c) 4 weeks after treatment, and (d) 12 weeks after treatment.
(a)
(b)
(c)
(d)