Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/70774
Título: | Bacterial Cellulose-Carboxymethyl Cellulose (BC:CMC) dry formulation as stabilizer and texturizing agent for surfactant-free cosmetic formulations |
Autor(es): | Martins, Daniela Sofia Rodrigues Rocha, Cristina M.R. Dourado, Fernando Gama, F. M. |
Palavras-chave: | Pickering emulsions Bacterial cellulose Rheology Texture analysis |
Data: | 20-Mai-2021 |
Editora: | Elsevier 1 |
Revista: | Colloids and Surfaces A-Physicochemical and Engineering Aspects |
Citação: | Martins, Daniela; Rocha, Cristina M. R.; Dourado, Fernando; Gama, F. M., Bacterial Cellulose-Carboxymethyl Cellulose (BC:CMC) dry formulation as stabilizer and texturizing agent for surfactant-free cosmetic formulations. Colloids and Surfaces A-Physicochemical and Engineering Aspects, 617(126380), 2021 |
Resumo(s): | Generic cosmetic creams (oil-in-water emulsions) were prepared using dry Bacterial Cellulose and Carboxymethyl Cellulose (BC:CMC) to study the possibility of partially or completely replacing surfactants, while ensuring a long-term stability and the required organoleptic characteristics. BC:CMC was benchmarked against two hydrocolloidal Avicel products (PC-591 and PC-611), commonly used as thickeners and stabilizing aids in cosmetics production. The emulsions were then characterized regarding storage stability, rheology, texture and microscopic features. The full replacement of 5.5% surfactants with only 0.75% BC:CMC consistently showed similar results to those obtained with surfactants, namely concerning viscosity and texture. Although producing emulsions with larger oil droplets, BC:CMC provided for a very effective stabilization through a Pickering effect and by structuring the continuous phase. The more effective Avicel tested (PC-591) required a higher concentration (1.5 %) to achieve similar rheological profile but was ineffective in stabilizing the oil phase in a surfactant-free formulation with the adopted protocol. By replacing surfactants, dry BC:CMC matches a strong market need since both end users and manufacturers increasingly seek natural ingredients for cosmetic formulations. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/70774 |
DOI: | 10.1016/j.colsurfa.2021.126380 |
ISSN: | 0927-7757 |
Versão da editora: | https://www.sciencedirect.com/science/article/pii/S0927775721002491 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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document_54240_1.pdf | 10,51 MB | Adobe PDF | Ver/Abrir |