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Materiale Plastice
https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice, Volume 53, Issue 1, pp. 113-118 (2016)


Mariola Mendrycka, Malgorzata Kowalska, Wladyslaw Myjak

Assessment of the Properties of Emulsions Containing Different Amounts of Collagen Derived from Calf Skins


Abstract:
This research aimed to assess properties of emulsions containing various concentrations of collagen hydrolysate produced from calf skins. The most optimum variant of collagen separation from calf skins was used, developed by these authors. The resulting aqueous collagen hydrolysate was employed to produce oil/water cosmetic emulsions containing from 1 to 8 wt % of hydrolysate. Hydration and sensory properties of the proposed substances were evaluated. Appearance and rubbability of the emulsions and washability of make-up were determined. Emulsions containing collagen hydrolysates were assessed by respondents of two age brackets: 18-35 and 36-55. Stability of the emulsions was appraised using centrifuge and temperature testing. On application of these preparations, the skin was highly moistened, particularly in the older respondent group. Consistency of the emulsions was homogeneous and free from clotting. The work confirmed that part of hides constituting the waste can be a potential source of collagen used as an anti-ageing ingredient of cosmetic emulsions.


Keywords:
collagen hydrolysate; leather; emulsions; skin hydration; sensory assessment

Issue: 2016 Volume 53, Number 1
Pages: 113-118
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