首页|Application of Norway Spruce Leaf Extract in Oily Skin Care:A Mechanism and Clinical Study
Application of Norway Spruce Leaf Extract in Oily Skin Care:A Mechanism and Clinical Study
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国家科技期刊平台
NETL
NSTL
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Oily skin,a facial skin condition,appears shiny and greasy and is a source of common skin disorders such as acne vulgaris and seborrheic dermatitis.Moreover,oily skin can lead to depression,distress,and so on,which can be detrimental to social interactions.In this study,the effect of Norway spruce leaf extract(NSLE)on the management of oily skin was investigated both in vitro and in vivo,focusing on its sebum-controlling and anti-inflammatory properties.The in vitro results showed that the NSLE significantly reduced neutral lipids in linoleic acid(LA)-induced human SZ95 sebocytes in a dose-dependent manner(P<0.05).Additionally,the 2.5%NSLE was able to reduce the lipopolysaccharide(LPS)-induced elevation of nitric oxide(NO)levels in RAW264.7 cells(P<0.05).The human efficacy evaluation showed that the emulsion containing 2.5%NSLE had a significant sebum-controlling effect,the skin sebum content decreased by 29.3%after 7 days.Furthermore,the results also indicated a notable improvement in skin glossiness and lightness(P<0.05)after two weeks of application,compared to baseline.In conclusion,NSLE effectively enhances the skin health of oily skin by reducing sebum production and inhibiting inflammation.This study provided evidence for NSLE as a natural and effective ingredient in skincare products for individuals with oily skin.
国家科技期刊平台
NSTL
万方数据
