Results 141 to 150 of about 64,831 (314)

Systemic availability of lipophilic organic UV filters through dermal sunscreen exposure.

open access: yesEnvironment International, 2019
BACKGROUND Chemical UV filters are common components in sunscreens and cosmetic products and used to protect the skin against harmful effects of sunlight like sunburn.
J. Hiller   +7 more
semanticscholar   +1 more source

Density dependence and habitat selection affect overwintering abundance of monarch butterflies at regional and site scales in California

open access: yesConservation Science and Practice, EarlyView.
We analyzed annual overwintering counts in California to understand monarch population fluctuations. Climate and density‐dependent factors explain 64% of annual variability across groves, with density dependence being the primary driver. Within groves, tree characteristics and microclimate significantly influence monarch habitat selection, with ...
Peter C. Ibsen   +4 more
wiley   +1 more source

REVIEW OF APPLICATIONS NANOPARTICLES OF TiO2 AND ZnO IN SUNSCREEN [PDF]

open access: yes, 2014
The use of sunscreen by the public, especially in Indonesia is quite popular. Health and beauty reasons underlying the popularity of the use of sunscreen products.
Sulistyani, Sulistyani
core  

Outdoor work as risk factor for facial melanoma: UV exposure, risk awareness, and occupational relevance

open access: yesJDDG: Journal der Deutschen Dermatologischen Gesellschaft, EarlyView.
Summary Background This study explored UV exposure and prevention behaviors among melanoma patients, focusing on occupational UV exposure, melanoma characteristics, risk awareness, and protective behaviors. Patients and Methods This cross‐sectional study analyzed demographics, melanoma characteristics, UV exposure, awareness, and preventive measures ...
Susanne Dugas‐Breit   +3 more
wiley   +1 more source

Synergy of Modified Lignin and p-Coumaric Acid for Improving the Function of Sun-protection in Sunscreen

open access: yesBioResources, 2023
Lignin is a potential natural sunlight protector because its benzene derivative structure can absorb UV rays. Pure lignin is not good enough for sunblock because lignin is not fully dispersed in cream, and the range of absorbed UV rays is not broad.
Rui Wen, Shiyu Fu, Hui Zhang
doaj  

Natural‐based antioxidants in cosmeceuticals: Extraction, bioavailability and skin ageing applications

open access: yesInternational Journal of Cosmetic Science, EarlyView.
Natural antioxidants from plants, fruits, seeds and fungi combat ageing by neutralizing free radicals, boosting collagen and protecting against UV damage. Enhanced by green extraction and smart delivery systems, they offer powerful anti‐inflammatory and antimicrobial benefits.
Hossein Omidian   +2 more
wiley   +1 more source

Writing the Island [PDF]

open access: yes, 2010
The historians may call this a failed expedition. For the first time, we didn’t complete a circumnavigation of Isla Espiritu Santo, an accomplishment that usually entails 50 miles of epic paddling in sea kayaks so loaded with food, water, and gear that ...
Farnsworth, John S.
core   +1 more source

The hidden science of haptics: A pedagogical review of tactile evaluation in cosmetics

open access: yesInternational Journal of Cosmetic Science, EarlyView.
This review explores the physiological basis of tactile perception and critically examines classical and emerging sensory methods used in cosmetics, advocating for broader methodological integration and recognition of sensory analysis in the field. Abstract Sensory analysis is a cornerstone of cosmetic development, yet remains underrepresented in peer ...
Morgane Postec   +2 more
wiley   +1 more source

Commercial clays in cosmetic formulations for hair care: Characterization and application to improve the mechanical properties of hair fibre

open access: yesInternational Journal of Cosmetic Science, EarlyView.
The shampoo and conditioner bar formulations enhanced hair gloss, promoting softness, improved cuticle alignment, and effective protection of hair shafts against external aggressors. Findings from mechanical properties measurements indicate that the clay‐containing formulations enhance the mechanical strength of hair, contributing to stronger and more ...
João Pedro Gonçalves de Souza Soares   +2 more
wiley   +1 more source

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