نتایج جستجو برای: sunscreens

تعداد نتایج: 755  

Journal: :Bioresources 2022

Technical lignins are becoming an attractive natural, renewable, and non-toxic ingredient in sunscreens, having the capability for replacing synthetic compounds. Researchers have reported that lignin can increase solar protection factor (SPF) of sunscreens provide sun to body creams. However, achieve valorization fabrication personal care products, it is necessary overcome several challenges re...

Journal: :Journal of Investigative Dermatology 2022

Sunscreens are a vital tool for protecting the skin from damaging effects of ultraviolet radiation (UVR). The microbiome may play an important but poorly understood role in susceptibility to sun damage, suggesting it be avenue enhancement future sunscreens. Despite this, impact sunscreens on has received little research attention. We have investigated effect viability bacteria with and without ...

Journal: :Photodermatology, Photoimmunology & Photomedicine 2009

Journal: :American Journal of Public Health 1992

Journal: :ACS applied materials & interfaces 2016
Douglas R Hayden Arnout Imhof Krassimir P Velikov

Sunscreens rely on multiple compounds to provide effective and safe protection against UV radiation. UV filters in sunscreens, in particular, provide broadband UV protection but are heavily linked to adverse health effects due to the generation of carcinogenic skin-damaging reactive oxygen species (ROS) upon solar irradiation. Herein, we demonstrate significant reduction in the ROS concentratio...

Journal: :Surgical & Cosmetic Dermatology 2017

Journal: :journal of biomedical physics and engineering 0
m. m. movahedi a. alipour s. a. r. mortazavi m. tayebi

background: sun protection materials have been one of the major concerns in pharmaceutical industry since almost one century ago. various materials have been found to have such an effect but there are still many unknown substances that have not been discovered. objective: to introduce a novel mineral-based sun lotion with considerable uv absorption properties compared to commercially available ...

Journal: :Optics express 2016
Lewis A Baker Michael D Horbury Vasilios G Stavros

Today octocrylene is one of the most common molecules included in commercially available sunscreens. It provides broadband photoprotection for the skin from incident UV-A and UV-B radiation of the solar spectrum. In order to understand how octocrylene fulfils its role as a sunscreening agent, femtosecond pump-probe transient electronic UV-visible absorption spectroscopy is utilised to investiga...

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