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Cosmetic skin

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https://www.readbyqxmd.com/read/30112861/a-severe-chronic-outdoor-urban-pollution-alters-some-facial-aging-signs-in-chinese-women-a-tale-of-two-cities
#1
Frederic Flament, Nasrine Bourokba, Stephanie Nouveau, Jing Li, Aude Charbonneau
BACKGROUND: The impact of a chronic outdoor urban pollution on skin aging-related facial signs is a poorly referenced topic. OBJECTIVE: To assess, through visual grading and referential photographic atlas, possible differences in some facial signs between Chinese women, of comparable ages, living in two close cities very differently exposed to urban pollution. METHODS: The faces of 2 cohorts of 204 Chinese women (2 x 102) of same age-groups (25-45 y), living in Baoding (a highly polluted city) and Dalian (a less polluted city), for at least 15 years, have been analyzed...
August 16, 2018: International Journal of Cosmetic Science
https://www.readbyqxmd.com/read/30112768/characterization-of-bound-water-in-skin-hydrators-prepared-with-and-without-a-3d3p-interpenetrating-polymer-network
#2
George P Majewski, Katie Rodan, Kathy Fields, Timothy J Falla
BACKGROUND: Hyaluronic acid (HA) has been considered the gold standard ingredient for improving skin hydration and combating age-related effects, however it is an inefficient polymer with inconsistent results partially due to its poor skin penetration, surface deposition, and rapid degradation. Herein we report the synthesis and in vitro characterization of a newly developed, topical super-humectant with the goal of attracting and binding water molecules more efficiently than traditional, cosmetic-grade forms of HA...
August 16, 2018: Skin Research and Technology
https://www.readbyqxmd.com/read/30111679/the-potential-of-using-bee-pollen-in-cosmetics-a-review
#3
Xiaozhi Xi, Jia Li, Shasha Guo, Yujuan Li, Fangxue Xu, Mengmeng Zheng, Hui Cao, Xiaowei Cui, Hong Guo, Chunchao Han
During ancient times in China, bee pollen was used for skin whitening and beauty. Around 70% of substances in bee pollen are biologically active, such as proteins, carbohydrates, lipids and fatty acids, phenolic compounds, vitamins and bioelements.This review describes the cosmeceutical properties of bee pollen and the mechanism of its active components action, its beneficial influence on human skin. As a natural bee product, bee pollen may effectively enhance protective mechanisms against skin aging, skin dryness, ultraviolet B radiation, oxidative damage, inflammatory and melanogenesis, which are involved in a wide range of negative effects on human skin, thus they have attracted attention for health and cosmetic applications...
August 14, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111677/tactile-texture-of-cosmetic-sponges-and-their-friction-behavior-under-accelerated-movement
#4
Natsumi Asanuma, Yuuki Aita, Yoshimune Nonomura
We evaluated the friction properties of five cosmetic sponges on artificial skin using sinusoidal motion-friction evaluation system. No significant difference was observed in the pleasant score of the five sponges when these sponges were rubbed on the skin surface. The sponges were classified into three groups based on their tactile feel. Their characteristic tactile textures were moist-soft-slippery, moist-dry-rough, and moist feels. The slippery feel was found to depend on the thickness of the sponge's cell wall, its surface tension, and the change in friction coefficient in the dynamic friction process...
August 14, 2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/30111075/suppressive-effect-of-fermented-angelica-tenuissima-root-extract-against-photoaging-possible-involvement-of-hemeoxygenase-1
#5
Yun-A Park, Sung Ryul Lee, Jin Woo Lee, Hyun Jung Koo, Seon-A Jang, Seung-Won Yun, Hyun Ju Kim, Jeong Suk Woo, Myung Rye Park, Se Chan Kang, Youn Kyu Kim, Eun-Hwa Sohn
Angelica tenuissima root has historically been used as a traditional medicine in Korea. Previous studies have identified the anti-melanogenic effects of the extract of A. tenuissima root fermented by Aspergillus oryzae (FAT). This study investigated the protective effects of FAT against ultraviolet light B exposure (UVB; 30 mJ/cm2 ) in HaCaT (human keratinocyte) or Hs68 (human foreskin fibroblast) skin cells. FAT treatment was able to stimulate wound healing rate at the basal condition. FAT also favored the maintenance and/or improvement of extracellular matrix impairment caused by UVB irradiation through: 1) upregulation of procollagen Type-1 synthesis and secretion; 2) suppression of MMP-1 and elastase expression...
July 31, 2018: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/30110695/a-pilot-study-to-evaluate-the-effects-of-topically-applied-cosmetic-creams-on-epidermal-responses
#6
Megan N Kelchen, Gopi Menon, Patrick Ten Eyck, Donald Prettypaul, Nicole K Brogden
Application of exogenous products, such as creams, to the skin can result in subclinical changes in selected epidermal functions such as transepidermal water loss (TEWL), hydration, redness, and pH; these changes may lead to or contribute to irritation. Changes in skin surface inflammatory factors may provide further insight into this potential for irritation. The objective of this study was to evaluate the changes in epidermal properties and inflammatory mediators after 4 days of topical application of 2 different polymers formulated in cosmetic creams...
August 15, 2018: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/30102992/effects-on-skin-of-stichopus-japonicus-viscera-extracts-detected-with-saponin-including-holothurin-a-down-regulation-of-melanin-synthesis-and-up-regulation-of-neocollagenesis-mediated-by-erk-signaling-pathway
#7
Tae-Rin Kwon, Chang Taek Oh, Dong-Ho Bak, Jong Hwan Kim, Joon Seok, Jong Hoon Lee, Su Hwan Lim, Kwang Ho Yoo, Beom Joon Kim, Heesu Kim
ETHNOPHARMACOLOGICAL RELEVANCE: Stichopus japonicus (sea cucumber), edible traditional food in Asia, and its extracts are renowned for their wound healing, pain relieving, and cosmetic effects in traditional medicine. Holothurins, toxins isolated from sea cucumber, are thought to be active components for their beneficial effects. However, researchers have yet to outline specific mechanisms thereof. AIM OF THE STUDY: The present study was designed to evaluate the anti-melanogenic and anti-wrinkle properties of S...
August 10, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/30099574/different-trypanosoma-cruzi-calreticulin-domains-mediate-migration-and-proliferation-of-fibroblasts-in-vitro-and-skin-wound-healing-in-vivo
#8
Jose Ignacio Arias, Natalia Parra, Carolina Beato, Cristian Gabriel Torres, Christopher Hamilton-West, Carlos Rosas, Arturo Ferreira
Calreticulin is an endoplasmic reticulum-resident, calcium-binding, stress-produced, chaperone protein that serves multiple functions and is widely distributed in eukaryotic cells. Exogenously applied recombinant calreticulin solution, markedly enhanced the rate and quality of skin wound healing. These modulatory effects are more efficient than commercially available topic platelet-derived growth factor ointments (Regranex® ). Trypanosoma cruzi calreticulin is more effective in equimolar terms to human counterpart in accelerating skin wound healing...
August 11, 2018: Archives of Dermatological Research
https://www.readbyqxmd.com/read/30099491/experience-with-high-volume-buttock-fat-transfer-a-report-of-137-cases
#9
Thomas A Pane
Background: Buttock augmentation with fat transfer has become increasingly popular, with many patients seek high-volume augmentations. There is a lack of consensus as to the safe upper-limit of fat that can be transferred. Concern for risks such as fat necrosis and fat embolism may lead surgeons to limit the amount of fat to place. However, it is unclear if volume alone is associated with these complications. The authors examined their experience to evaluate the outcomes of high-volume fat transfer...
August 7, 2018: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/30083496/outcome-of-thumb-reconstruction-using-the-first-dorsal-metacarpal-artery-island-flap
#10
Samir M Ghoraba, Wael H Mahmoud
BACKGROUND: Reconstruction of complex soft tissue defects of the thumb, with exposure of tendons, joints or bones, has always been a difficult task. We evaluated the functional and esthetic outcomes of 1st dorsal metacarpal artery island flap in reconstruction of post-traumatic soft tissue defects of the thumb. METHODS: Between January 2012 and June 2014, fifteen patients with complex post-traumatic soft tissue thumb defects underwent 1st dorsal metacarpal artery island flap...
May 2018: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/30080559/ultrafast-sonochemistry-based-approach-to-coat-tio-2-commercial-particles-for-sunscreen-formulation
#11
J S Barbosa, D M A Neto, R M Freire, J S Rocha, L M U D Fechine, J C Denardin, A Valentini, T G de Araújo, S E Mazzetto, P B A Fechine
TiO2 is a common inorganic filter used in sunscreens due to its photoprotective effect on the skin against UV radiation. However, the use of this kind of material in cosmetics is limited by its inherent photocatalytic activity. It is known that coating on TiO2 surface can improve some features. Although, many of the methodologies used for this purpose are still laborious and time-consuming. Thus, this work reports a novel, easy, cheap and fast strategy to coat TiO2 particles by using a sonochemistry approach, aiming to decrease photocatalytic activity and to enhance colloidal stability...
November 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/30079617/use-of-antipruritic-and-rehydrating-foams-on-localized-lesions-of-atopic-dermatitis-in-dogs-a-small-scale-pilot-and-comparative-double-blinded-study
#12
Emmanuel J Bensignor, Lionel J Fabriès
BACKGROUND: There is a lack of controlled studies evaluating the efficacy of topical nonsteroidal agents for the treatment of canine atopic dermatitis (cAD). HYPOTHESIS/OBJECTIVES: To compare the clinical efficacy of a commercial foam product (mousse), previously demonstrated to be effective in cAD (Foam A) with a foam/mousse containing components from plant extracts (Foam B). ANIMALS: Eight client-owned dogs with nonseasonal mild/moderate cAD...
August 5, 2018: Veterinary Dermatology
https://www.readbyqxmd.com/read/30078870/knowledge-and-attitude-of-general-population-toward-effects-of-sun-exposure-and-use-of-sunscreens
#13
Shweta Bharat Agarwal, Kiran Godse, Sharmila Patil, Nitin Nadkarni
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) may be prevented by the use of sunscreens. We conducted the present study to assess the knowledge and attitudes regarding sun exposure and use of sunscreens. Methods: Two thousand and thirty-seven volunteers answered the questionnaire over a period of 2 years...
July 2018: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/30078837/assessment-of-the-skin-sensitizing-potential-of-chemicals-contained-in-foods-and-or-cosmetic-ingredients-using-a-modified-local-lymph-node-assay-with-an-elicitation-phase-llna-dae-method
#14
Kunihiko Yamashita, Hiroshi Miyazaki, Shinsuke Shinoda, Saori Hagiwara, Hirohito Takahashi, Hiroshi Itagaki
We evaluated the skin sensitizing potential of 10 natural organic chemicals, or their derivatives, which are included in foods and/or skin products, using a modified local lymph node assay (LLNA), with an elicitation phase (LLNA:DAE). The following compounds were tested: carminic acid, esculetin, 4-methyl esculetin, coumarin, quercetin, curcumin, naringenin, chlorogenic acid, isoscopoletin, and shikonin. Esculetin, 4-methyl esculetin, isoscopoletin, and shikonin yielded positive results. In particular, shikonin at a very low concentration (0...
2018: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/30078492/chest-wall-reconstruction-after-tumor-resection
#15
Gideon Sandler, Andrea Hayes-Jordan
Pediatric chest wall tumors are rare. Malignancies predominate of which sarcomas are the most common. Their resection and the subsequent reconstruction of the chest wall has been a surgical challenge since Dr. Frederick W. Parham published his first comprehensive account on the subject in 1898. Chest wall reconstruction is age, site and pathology dependent, must preserve long term function and cosmesis, must accommodate future growth and development, and must not be a hindrance to adjuvant radiotherapy. Bony reconstruction can be relatively simple or complex involving combinations of synthetic meshes, bioprosthetic materials, steel or titanium constructs, autografts, homografts and porcine or bovine xenografts...
June 2018: Seminars in Pediatric Surgery
https://www.readbyqxmd.com/read/30077541/total-phalloplasty-with-latissimus-dorsi-musculocutaneous-flap-in-female-to-male-transgender-surgery
#16
M Jun, S Pušica, V Kojovic, M Bizic, B Stojanovic, Z Krstic, G Korac, M L Djordjevic
OBJECTIVE: To present our technique of musculocutaneous latissimus dorsi (MLD) free-flap total phalloplasty. This technically demanding female-to-male gender reassignment surgery consists of creating a neophallus from extragenital tissue. METHODS: The presented technique included: removal of internal/external female genitalia, creation of neophallus using latissimus dorsi free flap, clitoral incorporation into the neophallus, urethral lengthening and insertion of testicular implants into the newly created scrotum...
August 2, 2018: Urology
https://www.readbyqxmd.com/read/30075492/retrospective-observational-study-of-breast-reconstruction-with-extended-latissimus-dorsi-flap-following-skin-sparing-mastectomy
#17
Zhenggui Du, Yuting Zhou, Jie Chen, Quanyi Long, Qing Lü
The study was aimed to evaluate oncological safety and patient satisfaction in relatively late stage breast cancer patients who was treated with skin-sparing mastectomy (SSM) followed by breast reconstruction with an extended latissimus dorsi (LD) flap. Oncological safety, postoperative complications, and cosmetic results were retrospectively analyzed in patients who underwent extended LD flap breast reconstruction following SSM between October 2011 and August 2014. A total of 62 patients who underwent 63 breast reconstructions were enrolled in the study...
August 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30073256/association-between-severe-acute-contact-dermatitis-due-to-nigella-sativa-oil-and-epidermal-apoptosis
#18
Olivier Gaudin, Feyrouz Toukal, Camille Hua, Nicolas Ortonne, Haudrey Assier, Arnaud Jannic, Elena Giménez-Arnau, Pierre Wolkenstein, Olivier Chosidow, Saskia Ingen-Housz-Oro
Importance: Nigella sativa oil (NSO) is widely used for cosmetic and culinary purposes. Cases of severe acute contact dermatitis due to NSO are poorly described, with no histologic description. Objectives: To describe the clinical and histologic features of severe acute contact dermatitis due to NSO and investigate the components responsible for such eruptions. Design, Setting, and Participants: A case series study of 3 patients with contact dermatitis admitted to the dermatology department between August 21, 2009, and February 19, 2017, was conducted...
August 1, 2018: JAMA Dermatology
https://www.readbyqxmd.com/read/30073232/pre-treatment-of-extracellular-water-soluble-pigmented-secondary-metabolites-of-marine-imperfect-fungus-protects-hdf-cells-from-uvb-induced-oxidative-stress
#19
S K Shanuja, S Iswarya, S Rajasekaran, M G Dinesh, A Gnanamani
The present study explores the UVB-induced oxidative stress protective efficacy of the pigmented fungal metabolite (identified as DHICA: 5,6-dihydroxyindole-2-carboxylic acid - a melanin precursor) using human dermal fibroblast (HDF) cells. DHICA is a water soluble pigment of the marine Aspergillus nidulans strain SG 28. Preliminary compatibility studies revealed 95% HDF cell viability with 600 μM concentration of DHICA. HDF cells were exposed to UVB irradiation with and without DHICA pre-treatment and the morphological, physiological and molecular level changes were observed accordingly...
August 3, 2018: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/30064402/superior-rectus-muscle-insertion-injury-following-cosmetic-upper-lid-blepharoplasty-a-case-report
#20
Ju-Yeun Lee, Kyuyeon Cho, Daye Diana Choi, Kyung-Ah Park, Kyung In Woo, Yoon-Duck Kim, Sei Yeul Oh
BACKGROUND: Direct damage to the superior rectus (SR) muscle insertion following upper lid blepharoplasty has not been reported. We document a rare case of vertical diplopia due to direct damage to the SR muscle insertion following cosmetic upper lid blepharoplasty. CASE PRESENTATION: We describe a case of 24-year-old woman with Asian eyelid. The patient had already undergone multiple cosmetic upper lid surgeries and complained of vertical diplopia immediately after her most recent surgery (levator resection with skin approach)...
July 31, 2018: BMC Ophthalmology
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