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ISO9001-certified manufacturer of high-purity cosmetic, nutritional, and pharmaceutical ingredients. Trusted by brands and laboratories worldwide since 2005.
Hangzhou Lianzheng Chemical Co., Ltd. is an ISO9001-approved modern enterprise specializing in the research, development, production, and distribution of high-quality chemical ingredients. Located in Huacai Enterprise Park, adjacent to West Lake Science and Technology Park in Hangzhou, Zhejiang, we serve clients in cosmetics, nutrition, and pharmaceuticals across the globe.
Our mission is to deliver stable, long-term supply with uncompromising quality and technical support. With advanced facilities and a commitment to innovation, we continuously build advantages for our partners in competitive markets.
High-purity chemical ingredients for cosmetic, nutritional, and pharmaceutical applications. All products meet strict quality standards with full documentation available.
INCI: Vanillyl Butyl Ether | CAS: C12H18O3
A heat sensitizer used in skincare for warming sensation and improved ingredient penetration.
CAS No.: 1197-18-8
Skin-brightening agent effective in reducing hyperpigmentation and melasma.
Provitamin B5 | CAS: 81-13-0
Moisturizing agent that enhances skin barrier function and promotes wound healing.
CAS No.: 70-18-8
Powerful antioxidant used in skin whitening and detoxification formulations.
C6H18O24P6 | Chelating Agent
Natural chelator that stabilizes formulations and reduces metal-induced oxidation.
Natural disaccharide | Humectant
Exceptional moisturizing properties with protective effects on proteins and cells.
Natural moisturizing factor (NMF)
Highly effective humectant that attracts and retains moisture in the skin.
Menaquinone-7 | CAS: 2124-50-5
Supports bone and cardiovascular health; used in dietary supplements.
Fat-soluble Vitamin C derivative
Antioxidant used in skincare and food preservation.
Polyhydroxy acid (PHA)
Gentle exfoliant with moisturizing and antioxidant properties.
INCI: Sodium Cocoyl Glycinate
Ultra-mild amino acid-based surfactant ideal for sensitive skin cleansers.
Alpha-Tocopherol | 50% CWS
Stable, water-dispersible form of Vitamin E for supplements and cosmetics.
From custom synthesis to technical support, we provide end-to-end chemical solutions tailored to your business needs.
We offer custom synthesis and private labeling for APIs, intermediates, and specialty chemicals with strict quality control.
ISO9001 certified processes ensure batch-to-batch consistency, full traceability, and compliance with international standards.
Our R&D team provides formulation guidance, stability testing, and regulatory documentation for seamless integration.
Stay updated with industry trends, product innovations, and company developments.
DL-mandelic acid is gaining popularity in skincare for its antibacterial and exfoliating properties.
Read More →
L-glutathione is a powerful antioxidant used in skin whitening and detoxification.
Read More →
Humectants like Sodium PCA and Trehalose are essential for maintaining skin hydration.
Read More →Have questions about our products or custom solutions? Reach out to our team for expert support.
+86-571-88003285
+8613656654540
Room 1618, Building 8, No.567, Dengcai Road, Xihu District, Hangzhou, Zhejiang, China
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