Results 61 to 70 of about 12,116 (235)

Talcum powder and photoprotection

Journal of Marine Medical Society, 2017
Context: Talcum powder is a popular daily use cosmetic product in India with a high urban and rural penetration. Aim: To examine the photoprotective ability of a popular brand of talcum powder. Design: Nonrandomized controlled efficacy study.
Jandhyala Sridhar, C R Srinivas
doaj   +1 more source

Novel Histopathologic Features of Diffuse Blue‐Gray Hyperpigmentation Associated With Kratom Use: A Case Report and Literature Review

Journal of Cutaneous Pathology, EarlyView.
ABSTRACT Background Drug‐induced hyperpigmentation accounts for 10%–20% of acquired pigmentary disorders and can be misdiagnosed for other causes such as melasma, post inflammatory changes, or heavy metal deposition. Kratom (Mitragyna speciosa), a Southeast Asian plant with an opioid‐like profile, has been increasingly used in the United States for ...
Rita Kamoua, Kristen Paradine, Craig A. Rohan, Mary McDaniel, Diane Perkins   +4 more
wiley   +1 more source

Skin Cell Phototoxicity and Photoprotection Study of Agro-Derived Lignin and Nanocellulose

Cosmetics
Lignin, a significant industrial byproduct from paper manufacturing processes, exhibits ultraviolet (UV) radiation absorption properties. Cellulose nanofibers (CNFs) demonstrate universal ligand characteristics and represent an innovative approach for ...
Juliana Varella Cruz, Adriana Solange Maddaleno, Julia Salles Gava, Washington Luiz Esteves Magalhães, Danielle Palma de Oliveira, Daniela Morais Leme, Montserrat Mitjans, Maria Pilar Vinardell   +7 more
doaj   +1 more source

Photoprotective and Therapeutic Potential in Skin Cancer of Amaryllidaceae Alkaloids

Proceedings, 2019
Skin cancer has evolved as the most common malignant disease, accounting for 4.5% of all new cancer cases. [...]
Carol Castañeda, Karent Bravo, Natalie Cortés, Warley de S. Borges, Jaume Bastida, Edison Osorio   +5 more
doaj   +1 more source

PHOTOPROTECTION IN ERYTHROPOIETIC PROTOPHYRIA: MECHANISM OF PHOTOPROTECTION BY BETA CAROTENE

Journal of Investigative Dermatology, 1977
Erythropoietic protoporphyria is a genetic disease caused by the accumulation of protoporphyrin IX. This molecule absorbs 400-nm light and its presence is at times associated with severe cutaneous photosensitivity. The only effective treatment for this disease is oral administration of beta carotene.
Moshell, Alan N, Bjornson, Loring
openaire   +2 more sources

Beneficiaries’ satisfaction of the Distintivo Soludable Ecuador Project

Medisur
Foundation: excessive exposure to the sun can be harmful to health; it increases the risk of sunburn, causes premature aging and skin cancer.Objectives: to determine the beneficiaries’ knowledge and satisfaction with the policies on photoprotection ...
Angélica Salomé Herrera Molina, Jimena Alexandra Morales Guaraca, Paola Maricela Machado Herrera, Carlos Gafas González, Valeria del Rocío Moya Amaguaya, Jacobo Cambil Martín   +5 more
doaj  

Afamelanotide improves quality of life and light tolerance in Austrian erythropoietic protoporphyria patients

JDDG: Journal der Deutschen Dermatologischen Gesellschaft, EarlyView.
Summary Background Erythropoietic protoporphyria (EPP) is a rare genetic disorder characterized by severe phototoxic reactions that occur within minutes of light exposure. In clinical studies, afamelanotide has been shown to prolong pain‐free sun exposure, improve quality of life, and reduce the frequency and severity of phototoxic reactions ...
Magdalena Seidl‐Philipp, Hanna Schratter, Johanna Auer, Gerold Schwantzer, Maximilian Lammer, Philipp Hinteregger, Ines Vergeiner, Robert Gruber, Peter Wolf, Angelika Hofer   +9 more
wiley   +1 more source

Prurigo Pigmentosa – an increasingly diagnosed dermatological condition associated with ketogenic diet

JDDG: Journal der Deutschen Dermatologischen Gesellschaft, EarlyView.
SUMMARY Prurigo pigmentosa (PP) is a rare inflammatory dermatosis, clinically characterized by intensely pruritic, erythematous papules and papulovesicles, with reticular hyperpigmentation upon healing. We herein report four cases in adults of different ethnic backgrounds, in which the disease was associated with ketogenic metabolic states due to ...
Antigona Aliu, Milan Vidakovic, Marcel Krauß, Julia Hyun, Frank Oellig, Thilo Gambichler, Valentina Laura Müller, Alexander Kreuter   +7 more
wiley   +1 more source

The encapsulation effect of UV molecular absorbers into biocompatible lipid nanoparticles

Nanoscale Research Letters, 2011
The efficiency of a cosmetic product depends not only on the active ingredients, but also on the carrier system devoted to improve its bioavailability. This article aims to encapsulate two couples of UV molecular absorbers, with a blocking action on both
Lacatusu Ioana, Badea Nicoleta, Murariu Alina, Meghea Aurelia   +3 more
doaj  

Quantifying the efficiency of photoprotection [PDF]

Philosophical Transactions of the Royal Society B: Biological Sciences, 2017
A novel emerging technology for the assessment of the photoprotective ‘power’ of non-photochemical fluorescence quenching (NPQ) has been reviewed and its insightful outcomes are explained using several examples. The principles of the method are described in detail as well as the work undertaken for its justification.
openaire   +3 more sources