Product Description
Oligopeptide-34 is a synthetic peptide that reduces melanin synthesis by downregulating TRP-1, TRP-2, MITF, and tyrosinase. It can also inhibit the assembly of melanosomes and their transfer from melanocytes to keratinocytes, resulting in a significant skin-brightening effect. Furthermore, Oligopeptide-34 activates the breakdown of melanocyte-stimulating hormone (MSH), a key regulator of tyrosinase production, which plays a crucial role in the melanin synthesis cascade.
What are the benefits?
Oligopeptide-34 is a synthetic peptide with multiple skincare benefits, primarily manifested in the following aspects:
1. Whitening and Brightening
It inhibits melanin synthesis by downregulating the expression of tyrosinase (TYR), tyrosinase-associated protein 1 (TRP-1), tyrosinase-associated protein 2 (TRP-2), and microphthalmia-associated transcription factor (MITF).
It blocks the assembly of melanosomes and their transfer from melanocytes to keratinocytes, reducing skin pigmentation and achieving a brightening effect.
2. Anti-inflammatory Effect
It downregulates the expression of Th1-type pro-inflammatory cytokines (such as IL-12 and IFN-γ), reduces the proliferation of dermal lymphocytes, alleviates skin inflammation, and helps improve sensitive skin.
3. Anti-aging and Skin Firming
It promotes the division and differentiation of fibroblasts, increases the synthesis of collagen, elastin, and fibronectin in the skin's extracellular matrix, enhances skin elasticity and firmness, reduces wrinkles and fine lines, and delays skin aging.
Application directions
Oligopeptide-34 is primarily used in the following areas:
1. Cosmetics
- Whitening and Spot Reduction: By inhibiting melanin synthesis and blocking melanosome transfer, it effectively reduces skin pigmentation, improving dull skin tone and age spots. It is commonly used in whitening serums, creams, lotions, and masks.
- Anti-aging: It promotes fibroblast division and differentiation, increases collagen, elastin, and fibronectin levels in the skin's extracellular matrix, improves skin firmness, and reduces wrinkles. It is suitable for anti-aging creams, serums, and eye creams.
- Anti-inflammatory and Soothing: It downregulates TH1-type pro-inflammatory cytokines and reduces dermal lymphocyte proliferation, exhibiting anti-inflammatory effects. It is suitable for skincare products for sensitive skin or inflammatory skin problems.
2. Medical Aesthetics
- In medical aesthetic procedures, such as the post-treatment repair phase after laser therapy and chemical peels, oligopeptide-34 can be used to reduce inflammation, promote skin repair, and help restore the skin barrier function.
3. Scientific Research Fields
- As a tool for studying biological processes such as melanin synthesis regulation and skin cell signal transduction, it is used in experimental research to explore mechanisms of skin pigmentation and anti-aging.
Company introduction and certificates obtained
Shaanxi Yuantai Biotechnology Co., Ltd. was established in 2014, mainly supplying herbal extracts, functional cosmetic raw materials, organic products, etc. We have our own factories, R&D and quality inspection teams, and have the conditions for development, production, and quality assurance. At present, we have obtained ISO9001, ISO22000, HALAL, KOSHER, HACCP, FDA and other certificates. Therefore, the quality of our products is guaranteed, and it is our original intention to bring high-quality products to customers.

Our packaging
1KG/Aluminium bags , 25kg/barrel
Storage: Store in a cool, dry, clean place away from moisture and direct light.
We also have special packaging for special products, such as: retinal - cold chain transportation; deoxyarbutin - vacuum transportation

Our team
We have a professional R&D team and sales team, which not only ensure product quality, but also ensure a good cooperation experience for customers in the pre-sale, in-sale and after-sale processes. Our sales team has been trained in professional product knowledge, and can respond and solve every problem in cooperation in a timely manner


The payment methods we support are: T/T, VISA, XTransfer, Master Card, Western Union, Alibaba Payment, e-Checking, Online Bank Payment
We support shipping by sea, air, DHL, FedEx, TNT, UPS, EMS, SF

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