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Expression-Line Peptide

Palmitoyl Tetrapeptide-7

A palmitoylated cosmetic peptide designed to help modulate inflammation-related signaling while supporting collagen renewal, skin firmness and smoother-looking skin.

INCI

Palmitoyl Tetrapeptide-7

Applications

Facial Care · Sensitive Skin Care

Certifications & IP

Patent-Protected Technology

Other Products

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Available Formats

Powder

≥95.0% purity
White to off-white powder

Solution

500 ppm
Formulation-ready liquid

Key Benefits

Soothing Support

Helps reduce excessive interleukin-related signaling associated with skin stress and irritation.

Collagen & Matrix Renewal

Supports collagen fiber regeneration and dermal structural renewal.

Firmness & Smoothness

Helps improve elasticity and reduce the appearance of roughness, fine lines and wrinkles.

Mechanism of Action

Palmitoyl Tetrapeptide-7 helps modulate excessive interleukin-related signaling associated with skin stress and damage. By supporting a more balanced skin environment and collagen fiber regeneration, it helps improve skin smoothness, firmness and resilience.

Efficacy Data

In Vivo:

Demonstrates concentration-dependent reduction in interleukin production of up to 40% in the tested model.

In Vitro:

Demonstrates up to 86% reduction in interleukin production in UV-exposed cells in the tested model.

Powder Solution

Technical Information | Powder

Parameter	Information
INCI Name	Palmitoyl Tetrapeptide-7
CAS No.	221227-05-0
Appearance	White or off-white powder
Purity	≥95.0%
Solubility	Liposoluble
Storage	Store in a dry, dark place at 2–8°C.
Transportation	Can be transported at room temperature.
Availability	Detailed technical information is available upon request.

Formulation Guide

Detailed formulation guidance is available upon request.

Technical Information | 500 ppm Solution

Parameter	Information
INCI Name	Palmitoyl Tetrapeptide-7
Product Form	Colorless to pale yellow clear liquid
Nominal Concentration	500 ppm
Solubility	Water-soluble
Storage	Store in a dry, dark place at 2–8°C.
Transportation	Can be transported at room temperature.
Availability	Detailed technical information is available upon request.

Formulation Guide

Recommended Use Level
1–3%

Detailed Formulation Guidance
Available upon request.

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Soothing & Anti-inflammatory & Skin Barrier Repair

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