Results 11 to 20 of about 41,901 (356)
Boletín de la Sociedad Chilena de Química, 2000 Parametros fisicoquimicos, e, l, solubilidad en agua y Brij-35, pKa, Ka su fotoestabilidad para dihydroeuparin, 5-acetyl-2,3-dihydro-6-hydroxi-2-isopropenyl-benzo(b)furan ( de Senecio Graveolens), fueron obtenidos y comparados con los de o-hidroxyacetophenone.
Ortega, Pedro A. +4 more
openaire +5 more sources
Frontiers in Medicine, 2019 When people think about sun-protection or prevention of skin cancer, sunscreens readily come to mind. Sunscreen effectiveness is tested in vivo by the ability to prevent erythema of skin, yet testing methods vary between markets, and many sunscreens fail
Sharad P. Paul, Sharad P. Paul
doaj +2 more sources
Prevention of Immunosuppression by Sunscreens in Humans Is Unrelated to Protection from Erythema and Dependent on Protection from Ultraviolet A in the Face of Constant Ultraviolet B Protection [PDF]
, 2003 Sunscreens have been advocated as an important means of preventing skin cancer. Ultraviolet radiation induced immunosuppression is recognized as an important event in skin cancer development, yet the effectiveness of sunscreens in protecting the human ...
Barnetson, Ross StC. +2 more
core +2 more sources
Lignin-Based Sunscreens—State-of-the-Art, Prospects and Challenges
Cosmetics, 2020 This review covers the latest developments and challenges in the field of broad-spectrum sunscreens and how sunscreens based on lignin address their requirements in terms of sunlight protection, antioxidants, and preservatives.
Petri Widsten
doaj +2 more sources
Knowledge and attitude of general population toward effects of sun exposure and use of sunscreens
Indian Journal of Dermatology, 2018 Background: Sun exposure causes extensive intrinsic as well as extrinsic changes in the skin. Pathogenic effects of sun exposure such as tanning, melasma, skin cancer, and aggravation of various photodermatoses such as systemic lupus erythematosus (SLE ...
Shweta Bharat Agarwal +3 more
doaj +2 more sources
Cutaneous Permeation and Penetration of Sunscreens: Formulation Strategies and In Vitro Methods
Cosmetics, 2017 Sunscreens are the most common products used for skin protection against the harmful effects of ultraviolet radiation. However, as frequent application is recommended, the use of large amount of sunscreens could reflect in possible systemic absorption ...
Silvia Tampucci +3 more
doaj +2 more sources
Sunscreens: A narrative review. [PDF]
Skin Health DisSunscreens are topical formulations incorporating filters that protect our skin against ultraviolet radiation (UVR) emitted by the sun. Sunscreen use has been increasingly encouraged to protect against sunburn, skin cancer and photoaging that can occur ...
Salih H, Psomadakis C, George SMC.
europepmc +2 more sources
Antioxidants in Sunscreens: Which and What For?
Antioxidants, 2023 Ultraviolet (UV) radiation promotes the generation of reactive oxygen species (ROS) and nitrogen species (RNS), resulting in skin damage. Cosmetic industries have adopted a strategy to incorporate antioxidants in sunscreen formulations to prevent or ...
Ana Jesus +6 more
semanticscholar +1 more source
Do sunscreens have more positive or negative effects? Study review
Journal of Education, Health and Sport, 2022 Introduction: UV radiation is related to skin cancers, skin photoaging and sunburn. It can be harmful for human skin, so it is crucial to have a protection against sun rays.
Alicja Maria Ozga-Stachurska +3 more
doaj +1 more source
Sunscreens and Photoaging: A Review of Current Literature
American Journal of Clinical Dermatology, 2021 Sunscreens have been on the market for many decades as a means of protection against ultraviolet-induced erythema. Over the years, evidence has also shown their efficacy in the prevention of photoaging, dyspigmentation, DNA damage, and ...
L. Guan, H. Lim, T. Mohammad
semanticscholar +1 more source