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Peptides: does it work, and at what %?
Peptides is one of the actives we grade on evidence, not marketing. The benefit is real — but only when the dose clears the threshold the research supports. Here's the number, and the products that actually hit it.
The verdict: Signal peptides can support collagen synthesis, with modest but positive evidence.
How we grade Peptides
We check the disclosed concentration against the effective threshold from peer-reviewed dermatology literature and regulatory monographs, then weigh the formulation and any product-specific study. The grade is computed from the open rubric — re-run it on any ingredient list and you get the same letter. Also labeled as Matrixyl, Palmitoyl Pentapeptide-4, Copper Peptides.
The supply of Peptides we can actually verify
12 products in our index contain Peptides. 2 disclose a concentration we can confirm reaches an effective dose — that's 17%. The rest list it without a number, so its effect can't be verified at any price.
The best Peptides serums, ranked by dose
2 serums disclose an effective dose of Peptides, ranked by efficacy grade.
10 more products contain Peptides without disclosing the dose
These list Peptides on the label but publish no concentration. We withhold a grade rather than guess — why.
ungraded ? e.l.f. Holy Hydration! Face Cream
ungraded ? Lidherma Cell active hidro cream
ungraded ? Maison Lumière Précieux Anti-Age Serum
ungraded ? No7 Future Renew Damage Reversal Serum
ungraded ? Olay Regenerist Micro-Sculpting Cream
ungraded ? Olay Regenerist Vitamin C + Peptide 24
ungraded ? Paula's Choice Clinical 1% Retinol Treatment
ungraded ? Skinfix Barrier+ Triple Lipid-Peptide Cream
ungraded ? The Ordinary Multi-Peptide + HA Serum (Buffet)
ungraded
Common questions
What concentration of Peptides is effective?
On Visage Theory's rubric, Peptides reaches an effective dose at 1% and a strong, research-backed dose at 3%. Below that, the labeled benefit is unlikely no matter how good the marketing is.
Is more Peptides always better?
Not necessarily — past the effective range you mostly add irritation risk, not benefit. What matters is clearing the threshold in a stable formula, which is exactly what our grade checks.
How do I know a product actually contains an effective dose of Peptides?
Most brands list the active but hide the concentration. When the dose isn't disclosed we can't confirm efficacy, so we withhold a grade rather than guess. Products that disclose an effective dose are graded and listed below.
Get "Efficacy Grade of the Week"
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