Toxins – or botulinum toxin A if you want to get technical – are one of the best-known categories of drug in the world. Primarily used for wrinkle-relaxing injections, toxins have a number of other uses cosmetically and medically. Of the number of brands on the market, one is certainly the best-known and most commonly used by practitioners, but because toxins are prescription-only medicines, we can’t talk about individual brands here. Toxin is extremely popular in the aesthetics world due to its relatively cheap cost (compared to a surgical face-lift, for example), reliable results, minimal pain level, and the short time it takes to perform the procedure. Scroll down for all the toxins FAQs.