ArticleClinical, cosmetic and investigational dermatology2026
Operational Standard for Tissue-Extracted Collagen Facial Injection Techniques.
Article in Clinical, cosmetic and investigational dermatology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
3 authors.
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Abstract
Background: Since its first approval in 1981, tissue-extracted collagen injection technology has become an important method for minimally invasive facial rejuvenation, with substantial clinical experience accumulated particularly in the periorbital area. However, due to significant differences in physicochemical properties and metabolic mechanisms compared to hyaluronic acid, its clinical application still faces limitations in understanding and unique complication risks. Furthermore, no unified technical operating standards currently exist internationally. Methods: This standard is based on a synthesis of multicenter expert clinical experience. It systematically outlines the product characteristics, classification, and specifications of tissue-extracted collagen; defines clinical indications, contraindications, and operational precautions; specifies qualification requirements for medical institutions and operating physicians; establishes protocols for pre-operative assessment, regional injection design, post-operative management, and complication prevention and treatment strategies; and proposes multimodal treatment recommendations combining surgery, thread lifting, energy-based devices, and other fillers. Clinical Recommendations: Through standardized operating procedures and layered injection techniques, the safety and efficacy of tissue-extracted collagen injection therapy can be effectively improved, reducing the occurrence of complications such as nodules and vascular embolism. Combined treatment strategies further expand the application of collagen in facial rejuvenation, achieving complementary effects and optimizing recovery periods. Conclusion: This operational standard provides systematic and standardized clinical guidance for tissue-extracted collagen facial injection. It contributes to promoting the appropriate application and healthy development of this technology, enhancing overall treatment quality and patient satisfaction.
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