Acetyl Tetrapeptide-15: Sensitive-Skin Peptide for TRPV1 Receptor Modulation
Acetyl Tetrapeptide-15 (CAS 928007-64-1) is a desensitizing tetrapeptide that reduces cutaneous hypersensitivity by modulating TRPV1 (Transient Receptor Potential Vanilloid 1) receptor activity. This peptide addresses reactive and sensitive skin conditions at the neurological receptor level, offering a targeted mechanism distinct from conventional soothing agents. TCS NEXUS S.L. supplies Acetyl Tetrapeptide-15 from our warehouse in Valencia, Spain.
Mechanism of Action
TRPV1 receptors are ion channels expressed on sensory nerve endings within the dermis that detect heat, capsaicin, and inflammatory mediators. In sensitive skin phenotypes, TRPV1 receptors exhibit heightened activation thresholds, triggering stinging, burning, and erythema responses to otherwise innocuous stimuli. Acetyl Tetrapeptide-15 acts as a competitive modulator at the TRPV1 receptor site, reducing the channel opening probability without completely blocking nociceptive signaling. This selective desensitization preserves protective pain responses while dampening the exaggerated reactivity characteristic of sensitive skin. The peptide also reduces downstream release of substance P and CGRP neuropeptides that drive neurogenic inflammation.
Clinical Evidence
In a controlled panel test, Acetyl Tetrapeptide-15 at 100ppm reduced capsaicin-induced sting response by 52% compared to untreated controls. The capsaicin challenge model is the gold standard for assessing TRPV1-mediated skin sensitivity, providing direct evidence of receptor-level modulation. Erythema index measurements showed a parallel 38% reduction in redness following irritant exposure. Subject-reported discomfort scores on a validated visual analogue scale decreased by 45% over a 28-day treatment period, with initial improvements detectable within the first week of application.
Formulation Recommendations
Acetyl Tetrapeptide-15 is effective at 50-200ppm in finished cosmetic products. The peptide is water-soluble and compatible with minimalist formulation approaches typical of sensitive skin products. It performs well in fragrance-free serums, calming mists, lightweight emulsions, and post-procedure recovery balms. Cosmetic chemists developing sensitive skin lines frequently combine Acetyl Tetrapeptide-15 with bisabolol, allantoin, or beta-glucan for multi-pathway soothing effects. The peptide remains stable across pH 4.5-7.0 and tolerates standard processing temperatures below 55 degrees Celsius.
Target Product Categories
- Sensitive and reactive skin daily care serums
- Rosacea-management moisturizers and calming treatments
- Post-laser and post-peel recovery formulations
- Anti-redness primers and color-correcting creams
- Scalp-soothing treatments for sensitive scalp conditions
Quality Standards and European Supply
As a dedicated Acetyl Tetrapeptide-15 supplier in Europe, TCS NEXUS S.L. maintains rigorous quality control from our warehouse in Valencia, Spain. Each batch is verified by HPLC purity testing and mass spectrometry identity confirmation. Full documentation is provided including Certificate of Analysis, MSDS, and regulatory documentation for natural cosmetic formulation programs.
How to Order
Evaluation quantities start at 1g for preliminary formulation screening and irritation threshold testing. Production orders begin at 100g with volume pricing for contract manufacturing clients. Standard delivery across the EU is completed within 3-5 business days. Contact our technical specialists for formulation guidance on combining Acetyl Tetrapeptide-15 with complementary desensitizing actives for maximum efficacy in sensitive skin protocols.
Technical Fit and Sourcing Focus
Acetyl Tetrapeptide-15 extends the site’s sensory-comfort peptide coverage for brands developing premium soothing and comfort-oriented skincare concepts.
Best-Fit Applications
- Comfort-focused premium skincare projects
- Soothing and sensitive-skin adjacent formulations
- Peptide ranges targeting advanced care positioning
How This Page Fits the Core Peptide Cluster: This page is intentionally linked with adjacent anti-aging, brightening, repair, and matrix-support peptides so crawlers can follow a tighter topical path across the site.
Technical Support and Samples
Request COA documents, sample availability, or support for custom synthesis.
Frequently Asked Questions
Why should Acetyl Tetrapeptide-15 stay in the curated core set?
It supports a distinct comfort-oriented peptide angle that fits the current site focus and helps diversify internal coverage without reintroducing off-topic categories.
Is Acetyl Tetrapeptide-15 suitable for premium skincare sourcing review?
Yes. TCS can assist with technical review and sourcing coordination for customers evaluating advanced comfort and premium-care peptide options.
Do you provide COA documents for Acetyl Tetrapeptide-15 (CAS 928007-64-1) EU?
Yes. Each lot can be supplied with a Certificate of Analysis, HPLC purity data, and relevant quality-control results for technical review.
Are samples available for Acetyl Tetrapeptide-15 (CAS 928007-64-1) EU?
Yes. Sample availability can be confirmed for formulation screening and internal evaluation before a commercial order is placed.
What is the delivery lead time for Acetyl Tetrapeptide-15 (CAS 928007-64-1) EU?
For stocked material in Valencia, EU delivery is typically 5 to 7 business days. Final timing depends on destination and requested volume.
Do you also support custom synthesis and technical inquiries?
Yes. The team can help with custom synthesis, raw-material selection, technical documentation, and supply planning.