The aim of the study was to determine the influence of the essential oils isolated from the field - grown and micropropagated in vitro narrow - leaved lavender of the 'Munstead' cultivar, on human skin cells, and their capability to synthesise procollagen. The amount of procollagen type I produced by fibroblast cells was determined using ELISA kit. Essential oil isolated from micropropagated lavender was further used as a protective ingredient against the development of microorganisms in O/W cosmetic emulsion. The presented results demonstrate that the use of 0.01, 0.001 and 0.0001% essential oils isolated from in vitro plants stimulate HSF cells to the production of procollagen. It was further performed that the tested essential oil used in the concentration of 0.1% in a cosmetic emulsion is characterised by preservative effect for cosmetic preparations for the period of 3 months.
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Andrys et al. (2017) studied this question.
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