نتایج جستجو برای: sunscreens
تعداد نتایج: 755 فیلتر نتایج به سال:
Citation: Chirumbolo S (2015) Alpha-bisabolol, not a matter for cancer therapy. Commentary: " Research on the immunosuppressive activity of ingredients contained in sunscreens ". Alpha-bisabolol, not a matter for cancer therapy. Commentary: " Research on the immunosuppressive activity of ingredients contained in sunscreens " A commentary on Research on the immunosuppressive activity of ingredie...
In order to achieve the stated SPF (2 mg/cm2) of a sunscreen preparation, about 35 ml are needed for a whole-body application for adults. If it is applied at the recommended frequency, at least twice this amount could be applied during a day at the beach. During other periods, sunscreens may be applied to sun-exposed sites such as the face, hands and arms for extended periods or used daily in c...
BACKGROUND Coral bleaching (i.e., the release of coral symbiotic zooxanthellae) has negative impacts on biodiversity and functioning of reef ecosystems and their production of goods and services. This increasing world-wide phenomenon is associated with temperature anomalies, high irradiance, pollution, and bacterial diseases. Recently, it has been demonstrated that personal care products, inclu...
Basking in the sun on an Australian beach, I began to feel a burning sensation from excessive UV irradiation and decided not to wait for the ozone layer to return. As first aid I scraped some algae and cyanobacteria from the blistering rocks and smeared them on my exposed skin. Why? Because these organisms contain sunscreen compounds to protect themselves from harmful doses of UV-B (280–315 nm)...
Although ultraviolet rays constitute a small portion of the sunlight, they are destructive on skin. Ultraviolet rays cause sunburn, skin damage and skin cancers. Sunscreens are one of the most widely used cosmetic products which protect skin from cancer or other damages. There are two categories of sunscreen agents: chemical and physical. Physical sunscreens containing zinc oxide work through t...
BACKGROUND Although there have been recent advances in the development of photoprotective clothing and broad-spectrum sunscreens, few peer-reviewed publications have focused on photoprotection recommendations for travelers. METHODS In order to describe the adverse health effects of excessive ultraviolet (UV) radiation exposures; review recent studies of public perceptions regarding photoprote...
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