Tripeptide-3
Tripeptide-3 — a synthetic tripeptide, an inhibitor of neuronal release of neuromuscular junction mediators. Known as Leuphasyl — a more specific analogue of Argireline for reducing expression wrinkles. It suppresses the contraction of facial muscles at the level of the SNARE complex.
What is it?
Tripeptide-3 (INCI: Tripeptide-3) — a tripeptide with a proline-containing sequence. MW: ~380 Da. Mechanism: competitive blocking of the SNARE complex (SNAP-25, syntaxin, VAMP/synaptobrevin) → reduced fusion of synaptic vesicles → lower release of acetylcholine → weakened neuromuscular signal → less contraction of facial muscles. Difference from Argireline (acetyl hexapeptide-3): Leuphasyl is more specific to another SNARE region → synergy when combined. Water-soluble.
Anti-expression-lines products, serums, and creams against expression wrinkles, combinations with Argireline for a synergistic effect.
Key Benefits
Suitable for
Main Actions
Tripeptide-3 = Leuphasyl (Lipotec/Lubrizol). Effective concentration: 3-5%. INCI: Tripeptide-3. Water-soluble, to be introduced in the cold phase. pH: 4-8. Most effective in combination with Argireline (acetyl hexapeptide-3) — synergistic SNARE-blocking effect (Argireline Amplified product). The effect is gradual: full result after 4 weeks of regular use. Does not accumulate — effect disappears upon discontinuation.
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