Pentapeptide-34 Trifluoroacetate
A signal peptide. The maker links it to skin firmness; independent data are limited. Well tolerated.
Evidence by route
Topical application
A signal peptide. Well tolerated; independent data limited.
- CIR Cosmetic Ingredient Review safety assessment
How to read tiers A–F
- BLimited evidence. One RCT or several controlled studies with limitations
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
About this ingredient
Pentapeptide-34 Trifluoroacetate is a synthetic signal peptide, stabilised as a trifluoroacetate salt. In cosmetics it is positioned as an anti-ageing active: the manufacturer links it to greater skin firmness through signals said to stimulate the dermis support components. On effectiveness it is worth being clear. The available data come mainly from the manufacturer, and independent evidence is scarce. Some signal peptides show modest effects on firmness and fine lines with continued use, but here no strong or proven result can be promised. It is reasonable to treat it as a supporting active, not as the engine of a routine. Applied topically its systemic absorption is minimal, so it can be used during pregnancy and breastfeeding. Tolerability is good, with low irritation and allergy potential. It suits sensitive skin and rarely causes reactions at usual use levels.
Frequently asked questions
Is Pentapeptide-34 Trifluoroacetate safe during pregnancy?
Pentapeptide-34 Trifluoroacetate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Pentapeptide-34 Trifluoroacetate for?
Pentapeptide-34 Trifluoroacetate suits: normal, dry, combination, oily, sensitive.
What is Pentapeptide-34 Trifluoroacetate and what does it do in cosmetics?
A signal peptide.
What's the INCI name for Pentapeptide-34 Trifluoroacetate?
The INCI name is Pentapeptide-34 Trifluoroacetate.
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