Shaanxi Yuantai Biological Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of acetyl tetrapeptide-40 in China. With abundant experience, we warmly welcome you to wholesale bulk acetyl tetrapeptide-40 for sale here from our factory. Quality products and reasonable price are available.
Product Description
Acetyl Tetrapeptide-40 is a synthetic peptide capable of alleviating skin redness and sensitivity. It inhibits collagen degradation-both intrinsic and extrinsic-and improves skin texture. Additionally, it offers cellular photoprotection, reduces skin pigmentation, and enhances skin tone evenness.

|
Product Name |
Acetyl Tetrapeptide-40/33 |
|
Purity (HPLC) |
≥98.0% |
|
CAS No |
1472633-28-5 |
|
Molecular Formula |
C17H29N5O9 |
|
Molecular Weight |
447.44-447.45 |
|
Shelf Life |
2 Years When Proper Storage |
|
Storage |
Cool Dry Place |
Mechanism and Efficacy
Reduces Pigmentation
Acetyl Tetrapeptide-40 inhibits the formation of post-inflammatory hyperpigmentation by reducing the intensity of the inflammatory response-specifically by lowering the LL-37-induced release of IL-6 and IL-8.
Evens Skin Tone
Acetyl Tetrapeptide-40 offers cellular photoprotection, mitigating cell damage caused by external factors such as UV radiation and reducing pigmentation triggered by photodamage. It also improves the appearance of skin dullness caused by inflammation.
Alleviates Inflammatory Response
The core mechanism of Acetyl Tetrapeptide-40 involves reducing the excessive release of interleukins IL-6 and IL-8 induced by the antimicrobial peptide LL-37. As key pro-inflammatory cytokines, their excessive release leads to skin redness, vasodilation, and tissue degradation; by inhibiting the release of these factors, Acetyl Tetrapeptide-40 effectively alleviates the inflammatory response.
Reduces Visible Redness
Clinical studies demonstrate that Acetyl Tetrapeptide-40 significantly reduces facial erythema and visible redness after just seven days of use.
Improves Skin Texture
By reducing collagen degradation and inhibiting the inflammatory response, Acetyl Tetrapeptide-40 improves overall skin texture, resulting in firmer, smoother skin.
Photoprotective Effect
Acetyl Tetrapeptide-40 provides photoprotection, reducing UV-induced cellular damage and mitigating skin issues associated with photoaging.
Product application
Acetyl Tetrapeptide-40 possesses powerful soothing properties and is widely used in skincare brands, often formulated in combination with ingredients such as witch hazel extract, sodium PCA, aloe vera extract, Acetyl Hexapeptide-8, and hyaluronic acid.

Safety
Acetyl Tetrapeptide-40 operates via a clear, targeted mechanism, making it suitable for addressing issues such as pigmentation, erythema, and rough skin texture caused by inflammation or photodamage.
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