alexa Biodegradable polymers as encapsulation materials for cosmetics and personal care markets.
Chemical Engineering

Chemical Engineering

Journal of Thermodynamics & Catalysis

Author(s): Ammala A

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Abstract The topical and transdermal delivery of active cosmetic ingredients requires safe and non-toxic means of reaching the target sites without causing any irritation. Preservation of the active ingredients is also essential during formulation, storage and application of the final product. As many biologically active substances are not stable and sensitive to temperature, pH, light and oxidation, they require encapsulation to protect against unwanted degradation and also to target specific and controlled release of the active substance. The use of biodegradable polymers as encapsulation materials offers several advantages over other carrier materials. Encapsulation of active ingredients using biodegradable polymeric carriers can facilitate increased efficacy and bioavailability and they are also removed from the body via normal metabolic pathways. This article reviews current research on biodegradable polymers as carrier or encapsulation materials for cosmetic and personal care applications. Some of the challenges and limitations are also discussed. Examples of biodegradable polymers reviewed include polysaccharides, poly α-esters, polyalkylcyanoacrylates and polyamidoamine dendrimers. © 2012 Society of Cosmetic Scientists and the Société Française de Cosmétologie. This article was published in Int J Cosmet Sci and referenced in Journal of Thermodynamics & Catalysis

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