Estudo de estabilidade de máscara capilar com Arthrospira platensis

Abstract

With the significant growth of the cosmetic sector and its high economic impact, interest in the development of innovations in cosmetic products is constantly expanding. Adding this to the search for a better quality of life, a sustainable environment, and the concern with warning of the risks of chemical compounds present in products, there is also the growing interest of consumers in cosmetics with natural ingredients. In this context, microalgae are highlighted in the sector. As a result, Arthrospira platensis has become a promising bioactive ingredient in cosmetic formulations, due to its rich composition, with high antioxidant potential, ensuring a safe and effective product. Considering the relevant importance of hair care in well-being and self-esteem, the expressive consumption of hair cosmetics, and the science of the expressive performance of these microalgae in the hair structure, this project proposed the preliminary stability study of a hair mask developed with the dry biomass of the microalgae A. platensis, to obtain relevant scientific data regarding the use of the microalgae as an active ingredient of biotechnological origin for hair cosmetics. Thus, three formulations were requested from a compounding pharmacy, a standard prototype (PP) without the dry biomass of A. platensis, prototype test 1 (PT1) with 1% of the dry biomass, and prototype test 1,5 (PT1,5) with 1.5% of the microalgae. After that, the samples were exposed to temperature variation conditions, of 45ºC and 5ºC, and exposure to direct and indirect light radiation, in addition to freezing and thawing cycles, at 45ºC and -5ºC, so that they could be evaluated. through organoleptic tests, analyzing appearance, color, and odor, and physical-chemical tests, such as pH and viscosity. The study period lasted 14 days, being analyzed on days 1, 3, 7, and 14. Observing and comparing the final results, it was verified that all the characteristics were altered, but the conditions that most influenced the samples were the temperature at 45ºC and exposure to direct light. The most affected characteristics were color, which showed degradation over time, and pH, which resulted in values above the specification range. Comparing the test prototypes with each other, it is concluded that PT1 presented more acceptable final results. With this, it is proposed that new formulas should be tested by adjusting the pH and that the samples need to be stored in opaque packaging and a cool environment.