Intradermal Injection of Botulinum Toxin: A Safer Treatment Modality for Forehead Wrinkles.

In conclusion, the anti-wrinkle effect of BTXA was not significantly different between intramuscular and intradermal injections. However, side effects such as eyebrow ptosis, and heaviness were more prominent after intramuscular injection.
PMID: 30065587 [PubMed]

Source: Annals of Dermatology - August 5, 2018 Category: Dermatology Tags: Ann Dermatol Source Type: research