Actives: Peptides
Signal and neurotransmitter-inhibiting peptides such as acetyl hexapeptide-8 (Argireline) and Matrixyl.
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C Plausible, thin evidence
‘Botox in a bottle’? What Argireline peptide serums can and can’t do, with three graded
Argireline was designed in a lab to mimic Botox, and its own inventors reported ‘much lower efficacy than the neurotoxin’. Small trials show modest…
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C Plausible, thin evidence
Lash serums that ‘work’ and why: the prostaglandin question, the EU safety verdict, and four labels graded
The lash serums with dramatic before-and-afters usually contain a prostaglandin analogue, a cousin of glaucoma drugs. In February 2026 the EU’s scientific safety committee…