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Abstract Title:

Protective effects of fermented honeybush (Cyclopia intermedia) extract (HU-018) against skin aging: a randomized, double-blinded, placebo-controlled study.

Abstract Source:

J Cosmet Laser Ther. 2018 Oct ;20(5):313-318. Epub 2018 Feb 1. PMID: 29388846

Abstract Author(s):

Sun Young Choi, Ji Yeon Hong, Eun Jung Ko, Beom Joon Kim, Sung-Woon Hong, Mi Hyoung Lim, Sung Hum Yeon, Rak Ho Son

Article Affiliation:

Sun Young Choi

Abstract:

BACKGROUND: Oxidative stress and photodamage resulting from ultraviolet radiation exposure play key roles in skin aging. Fermented Cyclopia intermedia, which is used to brew honeybush tea, exerts antioxidant and anti-wrinkle effects by inhibiting reactive oxygen species production and downregulating matrix metalloproteinase activity.

OBJECTIVES: This randomized, double-blinded, placebo-controlled study aimed to evaluate the efficacy and safety of fermented honeybush (Cyclopia intermedia) extract (HU-018) for skin rejuvenation.

METHODS: 120 Korean subjects with crow's feet wrinkles were randomized to receive either low-dose extract (400 mg/day), high-dose extract (800 mg/day), or placebo (negative control, only dextran) for 12 weeks. Wrinkles were evaluated using JANUSand PRIMO pico. Skin elasticity, hydration and transepidermal water loss were measured.

RESULTS: Global skin wrinkle grade was significantly improved in both low-dose and high-dose groups compared to placebo group, as well as for skin hydration and elasticity. Both the low- and high-dose groups showed significantly decreased TEWL compared to the placebo group. There were no adverse effects during the entire study period.

CONCLUSION: Our data indicate that HU-018 is effective for improving skin wrinkles, elasticity, and hydration. Therefore, daily supplementation with fermented honeybush could be helpful for protecting against skin aging.

Study Type : Human Study

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