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Effects of Hymagic-4D on sensitive skin: a randomized, parallel, self-controlled clinical study / 中华医学美学美容杂志
Chinese Journal of Medical Aesthetics and Cosmetology ; (6): 325-329, 2020.
Article in Chinese | WPRIM | ID: wpr-872170
ABSTRACT

Objective:

To evaluate the efficacy and safety of Hymagic-4D multi-essence (miniHA, acetylated sodium hyaluronate, sodium hyaluronate, sodium hyaluronate cross-linked polymer) on sensitive skin.

Methods:

The clinical trial was conducted from April 2, 2019 to April 30, 2019 in the Cosmetic Dermatology Laboratory of the Third Affiliated Hospital of Sun Yat-Sen University. A total of 33 subjects (average age of 43±9.5) completed the trial. Subjects diagnosed as sensitive skin according to the criteria were enrolled. Hymagic-4D were randomly applied on one side of the face while macromolecular hyaluronic acid was applied on opposite side for 28 days. Skin biophysical properties, lactic test, clinical efficacy and safety were evaluated by the investigators at day 0, day 7, day 14 and day 28. Skin water content, TEWL and a*value were measured at the same time.

Results:

Dates showed that at day 7, day 14 and day 28, the a* values on Hymagy-4D using side were 8.54±3.08, 8.87 ±3.21 and 8.39±3.21, lower than that on the side of control 9.48±3.09, 9.51±3.30 and 9.03±2.95 ( P<0.01); skin roughness score, dryness score and erythema score on hymagy-4d using side were significantly lower than before ( P<0.01), and significantly lower than that on the control side ( P<0.01). Hydration, TEWL, pH value, L value and total score of lactic acid tingling test which were significantly improved on both facial skin compared to the baseline ( P<0.05) showed no statistical difference between two facial sides ( P>0.05) during 28-day treatment.

Conclusions:

This study demonstrates that Hymagic-4D has more effective in repairing skin barrier and inhibiting skin inflammation than single component hyaluronic acid on sensitive skin persons.
Full text: Available Index: WPRIM (Western Pacific) Type of study: Controlled clinical trial / Diagnostic study Language: Chinese Journal: Chinese Journal of Medical Aesthetics and Cosmetology Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Controlled clinical trial / Diagnostic study Language: Chinese Journal: Chinese Journal of Medical Aesthetics and Cosmetology Year: 2020 Type: Article