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Technical Review2026.09.16

Glutathione: A Comprehensive Review from Raw Material to Application

Reduced glutathione (GSH) is an endogenous core tripeptide active substance in the human body, possessing multiple biological activities such as antioxidation, detoxification, inflammatory response regulation, and melanin metabolism modulation. It is a key component in maintaining cellular redox homeostasis. This article systematically elaborates on the physicochemical properties, core mechanisms of action, and production processes of reduced glutathione, while comprehensively reviewing the application regulations of this raw material in the food and cosmetics fields. It provides theoretical and regulatory support for raw material research and development, formulation implementation, product compliance filing, and market-oriented application.

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Technical Review2026.09.11

Pro-Xylane: A Comprehensive Guide to Mechanism of Action, Comparison with Retinol and Peptides, Regulatory Standards, and Formulation Considerations

In the competitive landscape of anti-aging skincare actives, Pro-Xylane (hydroxypropyl tetrahydropyrantriol) has established itself as a cornerstone ingredient in premium skincare formulations, distinguished by its gentle yet effective profile, compatibility with all skin types, and suitability for long-term use. While most brands highlight its anti-aging and skin-repair benefits, significant questions remain among both consumers and formulation professionals: What exactly is Pro-Xylane? This article offers an in-depth examination across five key dimensions: ingredient definition, mechanism of action, comparative analysis with related actives, domestic and international regulatory frameworks, and formulation contraindications.

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Technical Review2026.09.14

N‑Acetylneuraminic Acid (Sialic Acid) Raw Material Introduction

N‑Acetylneuraminic acid (Neu5Ac, commonly known as bird’s nest sialic acid) is a nine‑carbon amino monosaccharide and an active ingredient applicable for both food and cosmetic use, manufactured via microbial fermentation. In food applications, N‑acetylneuraminic acid participates in nervous system development, maintains mucosal immunity and exhibits antioxidant activity. In cosmetics, it repairs the skin barrier, scavenges free radicals to deliver anti‑aging effects and modulates melanin synthesis. This article reviews the physicochemical properties and mechanism of action of the ingredient, as well as regulatory requirements and applicable product categories for its use in food and cosmetics in China.

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CaHA, PLLA, PDLLA, PCL

Technical Review2026.09.01

Popular Regenerative Materials in Aesthetic Medicine: CaHA, PLLA, PDLLA, PCL

Regenerative biomaterials represent a core research track for aesthetic medical consumables. Calcium Hydroxylapatite (CaHA), Poly‑L‑Lactic Acid (PLLA), Poly‑DL‑Lactic Acid (PDLLA) and Polycaprolactone (PCL) are four mainstream bio‑active raw materials in the industry. All four materials are available in powder and microsphere forms, and can be processed into suspension or lyophilized semi‑finished products for OEM contract manufacturing. Nevertheless, they exhibit substantial differences in molecular crystalline structure, mechanical properties, hydrolysis behavior, in‑vivo inflammatory response and collagen‑inducing capacity. Quantified datasets obtained from extensive in‑vitro cellular assays, animal implantation studies and pre‑clinical researches provide critical references for formulation selection and process development.

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