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PEG-PLLA Microspheres

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General Information

Product Name: PEG-PLLA Microspheres
CAS: PEG 25322-68-3; PLLA 33135-50-1
Catalog: CI-MIC-006
Applications: Medical beauty, tissue engineering and regenerative medicine, aesthetic fillers, drug delivery

PEG-PLLA microspheres are advanced polymeric materials that combine polyethylene glycol (PEG) and poly(L-lactic acid) (PLLA). These two components form an amphiphilic structure, allowing the microspheres to exhibit properties suitable for a wide range of medical applications.

Items	Specification
Viscosity-Average Molecular Weight	30,000-50,000; 70,000-90,000; 90,000-110,000 g/mol (customizable)
Molecular Weight Distribution (GPC)	≤ 2.0
Particle Size	20-40μm, 40-60μm
Span	≤ 0.7

Key Characteristics

Biocompatibility: PEG-PLLA microspheres are highly compatible with biological tissues, reducing the risk of adverse reactions.
Biodegradability: These microspheres break down naturally within the body, minimizing long-term accumulation or harm.
Biosafety: With a low toxicity profile, PEG-PLLA microspheres are considered safe for clinical use.

Applications

Medical Beauty: PEG-PLLA microspheres are used for sustained release of actives, improving skin elasticity, hydration, and anti-aging effects with excellent biocompatibility, biodegradability, and long-lasting performance.
Tissue Engineering and Regenerative Medicine: Due to their biodegradability and biocompatibility, PEG-PLLA microspheres support tissue growth and regeneration, contributing to advancements in these fields.
Aesthetic Fillers: PEG-PLLA microspheres are now used in clinical settings as dermal fillers, particularly in cosmetic medicine for volume restoration.
Drug Delivery: The amphiphilic nature of PEG-PLLA allows for efficient drug encapsulation and controlled release, making them ideal carriers in pharmaceutical applications.

Alfa Chemistry's PEG-PLLA microspheres offer exceptional biocompatibility, biodegradability, and safety, making them ideal for medical beauty, drug delivery, tissue engineering, and clinical aesthetic applications. For more information, please feel free to contact us.

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