Abstract

Ascorbic acid is a substance with confirmed anti-free-radical properties. It triggers the collagen synthesis, has a depigmenting effect and seals blood vessels. All these properties have a significant effect of the skin's appearance. The characteristic traits of capillary skin include telangiectasias as well as erythema, which might consolidate in the future, along with the feeling of burning and increased skin sensitivity. Study and evaluation of selected parameters of capillary skin after the application of 5% vitamin C concentrate throughout the period of 6weeks with the use of instrumental tests and questionnaires. The research was conducted on a group of 30 women ranging from 30 to 60years of age with capillary skin indicating visible signs of erythematous plaques. The concentrate was applied once a day. Analyses of skin conditions were conducted four times: before the launch of the research D(0), after two 2D(14), after four 4D(28), and after 6 D(42) weeks of application. The research was conducted with the use of Mexameter MPA equipment, which was used to measure changes in the intensity of erythematous plaques. The depth of wrinkles was measured by PRIMOS system (two times D0 and 6D(42). The research also used VISIA system which allowed to perform visual and numeral skin analyses. Each research was finalized with a questionnaire which provided a subjective evaluation of the examined product among participants. Significant reduction in erythema has been widely recorded. After 2weeks, erythema dropped by 9%. After 4weeks, it decreased by 16% and by 21% after 6weeks. The concentrate's efficiency in diminishing erythematous plaques was confirmed by photographs generated by VISIA photograph system. Thanks to PRIMOS, decrease in both depth and volume of nasolabial folds was recorded in 87% of participants after 6weeks of research. 5% vitamin C concentrate is effective in treating capillary and photograph-aging skin. It decreases erythema and telangiectasias as well as triggers the shallowing of skin wrinkles.

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