Argireline

How it works

Copies the end of SNAP-25, the protein nerves use to release their signal to muscle. Sold in creams to relax expression lines.

What it's made of

6 amino acids (EEMQRR) copied from the end of SNAP-25, the protein the neuron uses to release its signal to the muscle. Acetylated and amidated ends so it lasts. Published by the Universidad Miguel Hernández (Elche) in 2002.

What it's for

Prescribed for

Nothing: it is a cosmetic.

Sold as

“Botox in a cream”: it relaxes the face muscles and erases expression lines without needles.