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Oral Intake of Hydrangea serrata (Thunb.) Ser. Leaves Extract Improves Wrinkles, Hydration, Elasticity, Texture, and Roughness in Human Skin: A Randomized, Double-Blind, Placebo-Controlled Study

1
Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University, Seoul 02447, Korea
2
Department of Life and Nanopharmaceutical Science, Graduate School, Kyung Hee University, Seoul 02447, Korea
3
Department of New Material Development, COSMAXBIO, Seongnam 13486, Korea
4
Department of Clinical Pharmacology and Therapeutics, Kyung Hee University Hospital, Seoul 02447, Korea
5
East-West Medical Research Institute, Kyung Hee University, Seoul 02447, Korea
6
Global Medical Research Center, Seoul 06035, Korea
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this study.
Nutrients 2020, 12(6), 1588; https://doi.org/10.3390/nu12061588
Received: 14 April 2020 / Revised: 22 May 2020 / Accepted: 26 May 2020 / Published: 28 May 2020
(This article belongs to the Section Phytochemicals and Human Health)
Previously, we reported that the hot water extract of Hydrangea serrata leaves (WHS) and its active component, hydrangenol, possess in vitro and in vivo effects on skin wrinkles and moisturization. We conducted a randomized, double-blind, placebo-controlled trial to clinically evaluate the effect of WHS on human skin. Participants (n = 151) were randomly assigned to receive either WHS 300 mg, WHS 600 mg, or placebo, once daily for 12 weeks. Skin wrinkle, hydration, elasticity, texture, and roughness parameters were assessed at baseline and after 4, 8, and 12 weeks. Compared to the placebo, skin wrinkles were significantly reduced in both WHS groups after 8 and 12 weeks. In both WHS groups, five parameters (R1–R5) of skin wrinkles significantly improved and skin hydration was significantly enhanced when compared to the placebo group after 12 weeks. Compared with the placebo, three parameters of skin elasticity, including overall elasticity (R2), net elasticity (R5), and ratio of elastic recovery to total deformation (R7), improved after 12 weeks of oral WHS (600 mg) administration. Changes in skin texture and roughness were significantly reduced in both WHS groups. No WHS-related adverse reactions were reported. Hence, WHS could be used as a health supplement for skin anti-aging. View Full-Text
Keywords: Hydrangea serrata; skin wrinkle; skin hydration; skin elasticity; skin texture; skin roughness; clinical study Hydrangea serrata; skin wrinkle; skin hydration; skin elasticity; skin texture; skin roughness; clinical study
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Myung, D.-B.; Lee, J.-H.; Han, H.-S.; Lee, K.-Y.; Ahn, H.S.; Shin, Y.-K.; Song, E.; Kim, B.-H.; Lee, K.H.; Lee, S.H.; Lee, K.-T. Oral Intake of Hydrangea serrata (Thunb.) Ser. Leaves Extract Improves Wrinkles, Hydration, Elasticity, Texture, and Roughness in Human Skin: A Randomized, Double-Blind, Placebo-Controlled Study. Nutrients 2020, 12, 1588.

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