- Acetyl Hexapeptide-8 (AH-8) is the active ingredient in a number of cosmetic creams used to treat wrinkles, and is marketed under the trade name Argireline(Copyright). Like BoNT, AH-8 works to weaken the muscles, but is available as a skin cream instead of an injection. AH-8 has never been used to treat people with blepharospasm.