Clinical Study

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

Table 3

Comparison of Subjective Satisfaction Scale after treatment ().

Group1 week4 weeks12 weeks

intramuscular injections
intradermal Microdroplet
nanomicroneedles

value2.2091.3572.111
value>0.05>0.05>0.05

Note: compared with baseline; compared with intramuscular injections group at the same time point; compared with intradermal Microdroplet group at the same time point; compared with nanomicroneedle group at the same time point.