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Botox shots block certain chemical signals from nerves that cause muscles to contract. The most common use of these injections is to relax the facial muscles that cause frown lines and other facial wrinkles.

Xeomin is a purified form of botulinum toxin type A, while Botox is composed of a complex mixture of proteins. Essentially, this means that Xeomin doesn't have any additives, while Botox does.

Jeuveau is a prescription injectable medicine that contains botulinum toxin A, the same active ingredient as Botox Cosmetic. It's used to temporarily reduce the appearance of moderate to severe frown lines between the eyebrows in adults.