On hair care physicochemistry: From structure and degradation to novel biobased conditioning agents

Fernandes, Catarina; Medronho, B.; Alves, Luís; Rasteiro, Maria Graça

http://hdl.handle.net/10400.1/19074

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Authors

Fernandes, Catarina

Medronho, B.

Alves, Luís

Rasteiro, Maria Graça

Abstract(s)

Hair is constantly exposed to various adverse external stimuli, such as mechanical or thermal factors, that may cause damage or cause it to lose its shine and smooth appearance. These undesirable effects can be minimized by using hair conditioners, which repair the hair and restore the smooth effect desired by the consumer. Some of the currently used conditioning agents present low biodegradability and high toxicity to aquatic organisms. Consumers are also becoming more aware of environmental issues and shifting their preferences toward natural-based products. Therefore, developing novel, sustainable, natural-based derivatives that can act as conditioning agents in hair care products and thus compete with the traditional systems obtained from non-renewable sources is highly appealing. This paper presents the key physicochemical aspects of the hair conditioning process, including hair structure and degradation, and reviews some of the new alternative conditioning agents obtained from natural resources.