Results 41 to 50 of about 94,041 (163)

Potential of Natural-Based Sun Protection Factor (SPF): A Systematic Review of Curcumin as Sunscreen

open access: yesCosmetics
Exposure to ultraviolet (UV) radiation from the sun significantly damages the skin, leading to premature aging, hyperpigmentation, and oxidative stress that disrupts skin homeostasis. UV radiation increases the production of reactive oxygen species (ROS),
Ayunda Myela Shabrina   +10 more
doaj   +1 more source

PREPARATION AND CHARACTERIZATION OF A QUERCETIN-TETRAETHYL ETHER-BASED PHOTOPROTECTIVE NANOEMULSION

open access: yesQuímica Nova
Although Quercetin absorbs in the UVA/UVB electromagnetic region, it is limited for applications as a UV filter due to its low lipophilicity and capacity to penetrate the epidermis.
Marlucy da Cruz Gonçalves   +8 more
doaj   +1 more source

Qualitative and quantitative phytochemical analysis of Allium cepa L springs with a focus on its biological activity: A pilot study

open access: yesJournal of Clinical and Biomedical Sciences, 2019
Background: A preliminary work was carried out on phytochemical analysis and biological importance of Allium cepa springs. Materials and Methods: Three different extractions were made from Allium cepa springs using hexane, ethyl acetate and ...
Mary Shobha Rani Inala   +2 more
doaj   +1 more source

Sunscreens as a prevention of the photoaging

open access: yesJournal of Education, Health and Sport, 2020
Proper aging is genetically determined, progresses over time and cannot be stopped. External aging, on the other hand, is caused by factors affecting the organism from the outside, such as permanent exposure to the sun, stress, diet.
Paulina Kostrzewska   +3 more
doaj   +1 more source

POTENSI HIDROSOL SEREH WANGI SEBAGAI SPF (SUN PROTECTION FACTOR) DALAM SEDIAAN LOTION MIKROEMULGEL

open access: yesJIIS: Jurnal Ilmiah Ibnu Sina
Meningkatnya radiasi ultraviolet (UV) matahari yang masuk ke permukaan bumi telah menimbulkan dampak yang besar pada peningkatan kelainan terkait kulit pada manusia dalam beberapa dekade terakhir.
Ester Dwi Antari   +3 more
doaj   +1 more source

A Comparative Study of Cerium(III) and Cerium(IV) Phosphates for Sunscreens

open access: yesMolecules
Crystalline cerium(III) phosphate (CePO4), cerium(IV) phosphates, and nanocrystalline ceria are considered to be promising components of sunscreen cosmetics.
Taisiya O. Kozlova   +11 more
doaj   +1 more source

Sun Exposure Knowledge, Attitudes, Habits, and Practices among Medical Students: Impact and Analysis of an Educational Intervention [PDF]

open access: yesLiaquat National Journal of Primary Care
Background: Sunlight exposure is linked to nevi and skin cancers, with UV radiation identified as a key environmental carcinogen since the 1960s. Skin cancer rates have risen globally, with UV exposure as the main risk factor, and the WHO reports ...
Ismail Mazhar   +3 more
doaj   +1 more source

Sun protection factor: meaning and controversies.

open access: yesAnais brasileiros de dermatologia, 2012
The Sun Protection Factor (SPF) is the most important data to quantify the effectiveness of a sunscreen, being universally accepted. The method is based on determining the minimum erythematous dose (MED), defined as the smallest amount of energy required for triggering the erythema, in areas of protected and unprotected skin.
Sergio, Schalka   +1 more
openaire   +1 more source

Sun Protection Policy in Elementary Schools in Hawaii

open access: yesPreventing Chronic Disease, 2004
Introduction Childhood sun exposure is a major risk factor for skin cancer, the most common form of cancer in the United States. Schools in locations that receive high amounts of ultraviolet radiation have been identified as important sites for reducing ...
Paul Eakin   +4 more
doaj  

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