Desenvolvimento de formulação cosmética: creme e esfoliante facial, utilizando o caldo e pó da casca de abacaxi (Ananas comosus (L.) Merril)

Abstract

Pineapple cultivation is quite significant in Brazil, the third largest producer in the world. With the use of the fruit, residues are generated, which have nutritional values that can be used to make cosmetics. The pineapple skin has more proteins, lipids, fibers, vitamin C, calcium, potassium and phosphorus than the pulp, in addition to being rich in nutrients such as bromelain, the main enzyme found in the fruit. Bromelain has the benefit of cell renewal, anti-aging action, anti-cellulite, hydration and skin whitening. Considering that pineapple has components that help skin health, this work aimed at the elaboration of a facial cream and a facial scrub using juice and powder of pineapple peel. The juice was obtained by cold pressing and the peel was subjected to drying and crushing, and the physical-chemical analysis of the juice was performed. Formulas were developed for the facial cream containing the pineapple peel juice and the facial scrub containing the peel powder. At the end, a stability study was carried out in these formulations. The physical-chemical analysis of the juice indicated in its composition 86.92% of humidity, 10.55% of carbohydrates (antioxidant function), 8.33% of total sugars, 4.66% of reducing sugars (humectants), 3,66% of non-reducing sugars, 0.44% of proteins (bromelain as the main one), 1.49% of minerals (may reduce skin oiliness) and 0.60% of lipids (emollients) showing that there is a satisfactory nutritional content for use in cosmetics. The facial cream made from pineapple peel juice and the facial scrub containing the powder from the same peel were stable after a period of 4 weeks. After this period, there was no significant change in the pH of the products, which is a positive factor that indicates suitability for use. In this way, the juice and powder from the pineapple peel are promising sustainable actives in the development of new cosmetic formulations.