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Journals International Journal of Cosme...

International Journal of Cosmetic Science

https://read.qxmd.com/read/38083900/investigation-of-piroctone-olamine-delivery-to-the-skin-from-single-binary-and-ternary-solvent-systems
#21
JOURNAL ARTICLE
Chun Fung Tang, Paul D A Pudney, Majella E Lane
OBJECTIVE: Disruption of the protective stratum corneum barrier increases the skin's vulnerability to microorganisms and facilitates conditions such as dandruff. Dandruff is a disorder of the scalp that causes increased scaling of the SC and is associated with Malassezia fungus. Consequently, many anti-dandruff commercial products use anti-fungal active ingredients such as piroctone olamine also known as Octopirox (OPX). OPX is an active ingredient used in a number of topical preparations for the management of dandruff...
December 11, 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/38083814/in-vitro-diffusion-of-plant-phenolics-through-the-skin-a%C3%A2-review-update
#22
JOURNAL ARTICLE
Gisláine C Silva, Rodney A F Rodrigues, Carla B G Bottoli
OBJECTIVE: Excessive skin exposure to deleterious environmental variables results in inflammation as well as molecular and cellular impairments that compromise its functionality, aesthetic qualities, and overall well-being. The implementation of topical administration of antioxidants and other compounds as a method for preventing or reversing damage is a rational approach. Numerous phenolic compounds derived from plants have demonstrated capabilities such as scavenging free radicals and promoting tissue healing...
December 11, 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/38083804/a-study-of-anti-wrinkle-functions-and-improvement-of-cream-with-phaseolus-angularis
#23
JOURNAL ARTICLE
Sarang Oh, Jeehaeng Jeong, Myeongju Kim, Xiangji Jin, Shengdao Zheng, Yong-Min Kim, Tae-Hoo Yi
Chronic exposure to ultraviolet (UV) radiation from sunlight accelerates skin ageing, which is followed by harsh, thick, dry and loose conditions. One of the most demonstrative symptoms is deep wrinkles induced by skin barrier disruption. Our previous research showed that Phaseolus angularis seed extract (PASE) effectively inhibits skin ageing through UVB protection in HaCaT cells by suppressing skin damage. However, its efficacy has not been evaluated in clinical trials so far. PASE cream's effectiveness was initially tested on the artificial skin model, revealing an increase in filaggrin and defence against skin damage...
December 11, 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/38086741/cosm-innov-congress-5th-edition-24-25-may-2023-orl%C3%A3-ans-france
#24
JOURNAL ARTICLE
(no author information available yet)
No abstract text is available yet for this article.
December 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/38013225/n-acetyl-l-hydroxyproline-a-potent-skin-anti-ageing-active-preventing-advanced-glycation-end-product-formation-in%C3%A2-vitro-and-ex%C3%A2-vivo
#25
JOURNAL ARTICLE
Chiara Knoblich, Katja Dunckelmann, Andrea Krüger, Thomas Küper, Thomas Blatt, Julia M Weise
OBJECTIVE: Advanced glycation end-products (AGEs) represent a large group of compounds generated by a non-enzymatic reaction between reducing sugars and amino groups. The formation and accumulation of AGEs in the skin lead to protein crosslinking, dermal stiffening and yellowing, which ultimately contribute to cutaneous ageing. Amino acids have been described to exhibit anti-glycation effects. The objective of this study was to understand the inhibitory role of the amino acid derivative N-acetyl-L-hydroxyproline (NAHP) as an anti-glycation active for human skin...
November 27, 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37935579/efficacy-of-a-wheat-polar-lipid-complex-in-reducing-hair-loss-and-improving-hair-growth-in-healthy-women-a%C3%A2-randomized-double-blind-placebo-controlled-clinical-study
#26
JOURNAL ARTICLE
Stéphanie Dudonné, Catherine Kern, Christine Garcia
OBJECTIVE: Hair loss is a major source of psychological distress for affected people. Safe and natural ingredients are therefore needed to help reduce hair loss and stimulate hair growth. This pilot clinical study aimed at exploring the efficacy of a wheat polar lipid complex (WPLC, Ceramosides™), containing sphingolipids and digalactosyl diglycerides, on hair characteristics improvement in women showing acute hair shedding. METHODS: Sixty-six women presenting a proportion of hair in the telogen phase greater than 15% were recruited and allocated to two groups, each including at least 10 postmenopausal women...
November 7, 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37923568/mechanical-epilation-exerts-complex-biological-effects-on-human-hair-follicles-and-perifollicular-skin-an-ex-vivo-study-approach
#27
JOURNAL ARTICLE
Marta Bertolini, Jennifer Gherardini, Jéremy Chéret, Majid Alam, Mathias Sulk, Natalia V Botchkareva, Tamás Bíro, Wolfgang Funk, Frieder Grieshaber, Ralf Paus
OBJECTIVE: Electrical epilation of unwanted hair is a widely used hair removal method, but it is largely unknown how this affects the biology of human hair follicles (HF) and perifollicular skin. Here, we have begun to explore how mechanical epilation changes selected key biological read-out parameters ex vivo within and around the pilosebaceous unit. METHODS: Human full-thickness scalp skin samples were epilated ex vivo using an electro-mechanical device, organ-cultured for up to 6 days in serum-free, supplemented medium, and assessed at different time points by quantitative (immuno-)histomorphometry for selected relevant read-out parameters in epilated and sham-epilated control samples...
November 3, 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37914390/contribution-of-cosmetic-ingredients-and-skin-care-textures-to-emotions
#28
JOURNAL ARTICLE
Alicia Roso, Arnaud Aubert, Sophie Cambos, Francis Vial, Julia Schäfer, Marielle Belin, Damien Gabriel, Cécile Bize
OBJECTIVE: Emotions play an important role in consumers' perception of a sensory experience. The objective of this work was to investigate the ability of basic skin care formulas (i.e., without interference of odor, color, packaging) and pillar ingredients (i.e., emollients and rheology modifiers) to elicit emotions. Another objective was to track, as claimed by neurocosmetics, the possible effect of formulas to trigger emotions from their direct biochemical effects on the skin. METHODS: Standard methodologies were mobilized, combining subjective and behavioral parameters (i...
November 1, 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37909390/a-novel-ca-2-double-cone-vector-system-to-treat-compromised-skin
#29
JOURNAL ARTICLE
Julia Baumann, Franziska Wandrey, Riikka Sacher, Fred Zülli
BACKGROUND: Stressed, damaged or very aged skin is predominantly characterized by a malfunctioning skin barrier. Underlying skin barrier malfunction is a reduced or defective calcium gradient in the epidermis. Consequently, replenishing the compromised skin's calcium stores with topical calcium could be a potential therapeutic approach. METHODS: We investigated the effect of our novel Ca2+ double cone vector system on improving the differentiation and barrier function of reconstructed human epidermis (RHE), cultured at low basal calcium (0...
November 1, 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37881146/development-and-application-of-artificial-intelligence-based-facial-skin-image-diagnosis-system-changes-in-facial-skin-characteristics-with-aging-in-korean-women
#30
JOURNAL ARTICLE
Hyeokgon Park, Sae-Ra Park, Sangran Lee, Joongwon Hwang, Myeongryeol Lee, Sue Im Jang, Yuchul Jung, Yeon Yeongmin Yeon, Nayoung Kang, Byung-Fhy Suh, Eunjoo Kim
OBJECTIVE: To develop and validate an artificial intelligence (AI) based diagnostic system for analyzing facial skin images using expert judgments and explore its feasibility for skin aging research, specifically by evaluating facial skin changes in Korean women of various ages. METHODS: Our AI-based facial skin diagnosis system (█████████) uses facial images of Korean women to analyze wrinkles, pigmentation, skin pores, and other skin red spots...
October 26, 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37881065/preparation-and-efficacy-verification-of-three-dimensional-printed-partitioned-multi-effect-precision-care-gel-facial-mask
#31
JOURNAL ARTICLE
Junli Chen, Chunqiao Liufu, Wenfang Zhang, Chunhong Luo, Kaixia Fu, Jianchang Lin, Jiawei Liang, Wei Yang, Fenglan Song, Fan Yang
OBJECTIVE: A partition multi-effect precision-care gel facial mask conforming to facial skin characteristics was prepared using three-dimensional (3D) printing technology. METHODS: First, the hydrogel matrix and humectant of a 3D-printed gel for facial masks were screened, and three 3D-printed gels of arbutin, hexapeptide, and salicylic acid were prepared with whitening, wrinkle removal, and oil control functions, respectively. Skin irritation tests were performed on the gels...
October 26, 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37840342/anti-skin-aging-activities-of-rice-oryza-sativa-bran-soft-and-hard-waxes-in-cultured-skin-cells
#32
JOURNAL ARTICLE
Puxvadee Chaikul, Mayuree Kanlayavattanakul, Mattaka Khongkow, Angkana Jantimaporn, Nattaya Lourith
OBJECTIVE: Rice (Oryza sativa) bran waxes, the by-products of rice bran oil manufacturing, are widely used as inactive components in several preparations. Nevertheless, the function of rice bran waxes against skin aging has never been reported. This study aimed to investigate thermal property and fatty acid profile of rice bran waxes, including rice bran soft (RBS) and hard (RBH) waxes, and the activities against skin aging in cultured skin cells. METHODS: Thermal property and fatty acid profile of rice bran waxes were analyzed by differential scanning calorimetry and gas chromatography-mass spectrometry, respectively...
October 15, 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37799084/foreword-to-the-special-issue-from-the-editors
#33
JOURNAL ARTICLE
Marc Pissavini, Majella Lane, Amelie Ott
No abstract text is available yet for this article.
October 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37799083/editor-s-overview-of-the-key-content-of-this-special-issue
#34
EDITORIAL
Marc Pissavini, Majella Lane, Amelie Ott
No abstract text is available yet for this article.
October 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37799082/when-should-sunscreen-be-applied-the-balance-between-health-benefit-and-adverse-consequences-to-humans-and-the-environment
#35
JOURNAL ARTICLE
Brian Diffey
OBJECTIVE: To propose a strategy for using sunscreens that optimizes the balance between skin health and adverse effects to humans and the environment. METHODS: A model was developed to explore the relationship between sunscreen usage and personal sun exposure throughout the year in populations resident at different latitudes. RESULTS: There is little biological justification in terms of skin health for applying sunscreen over the 4-6 winter months at latitudes of 45° N and higher, whereas year-round sunscreen is advised at latitudes of 30° N and lower...
October 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37799081/nanomaterials-in-sunscreens-potential-human-and-ecological-health-implications
#36
REVIEW
Arturo A Keller
Inorganic nanomaterials such as TiO2 and ZnO provide significant benefits in terms of UV protection, and their use generally has increased in commercial sunscreens. However, more recently there have been concerns about their potential human and ecological health implications, mostly driven by perception rather than by formal assessments. The large and increasing body of literature on these nanomaterials indicates that in most circumstances their risk are minimal. Penetration of the human epidermis is minimal for these nanomaterials, significantly reducing the potential effects that these nanomaterials may pose to internal organs...
October 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37799080/uv-filter-occurrence-in-beach-water-of-the-mediterranean-coast-a-field-survey-over-2%C3%A2-years-in-palavas-les-flots-france
#37
JOURNAL ARTICLE
Delphine Thallinger, Jerome Labille, Thomas Milinkovitch, Jean-Luc Boudenne, Frédéric Loosli, Danielle Slomberg, Bernard Angeletti, Christel Lefrançois
OBJECTIVE: A 2-year sampling campaign was realized on French Mediterranean beach (Palavas-les-Flots Hérault) in order to measure the concentration of UV filters released from the sunscreen used by bathers. Multiple factors suspected of playing determining roles in the UV filter pattern in water were explored, such as the seasonal and daily time evolutions, or the vertical and horizontal distributions, and they were regarded through the UV filter characteristics. METHODS: The beach was monitored during periods of high and low tourist attendance, typically before, during and after the summer peak...
October 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37799079/sunscreens-another-endangered-species
#38
REVIEW
Paul J Matts, J Frank Nash
Skin cancer continues to increase in incidence year-on-year and represents the most common form of cancer across the globe. Every human undergoes premature ageing, particularly on the face, neck and hands. Both phenomena are driven primarily by chronic, daily exposure to solar ultraviolet radiation (UVR). While sunscreen products play a primary role in the prevention of UVR skin damage, the active ingredients, i.e., UVR filters, are facing unprecedented challenges in the coming 10 years and their future is by no means certain...
October 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37799078/repurposing-consumer-sunscreen-habits-and-practices-survey-data-to-guide-the-development-of-uv-filter-environmental-exposure-models-and-risk-assessments
#39
JOURNAL ARTICLE
Andrea M Carrao, Celine N Schmitt, Scott D Dyer
OBJECTIVE: A key factor that is deficient in most environmental emissions assessments for UV filters is a keen understanding of consumer habits and practices that can inform realistic exposure assessments. This study utilized a large volunteer survey (>11 000 persons) that captured many factors that affect consumer-based loadings to aquatic environments. The purpose of this study was to utilize this large survey to identify factors that affect the amount of sunscreen products used by consumers...
October 2023: International Journal of Cosmetic Science
https://read.qxmd.com/read/37799077/cosmetic-uv-filters-in-the-environment-state-of-the-art-in-eu-regulations-science-and-possible-knowledge-gaps
#40
JOURNAL ARTICLE
Sascha Pawlowski, Laura Henriette Luetjens, Alina Preibisch, Stephanie Acker, Mechtild Petersen-Thiery
OBJECTIVE: The aim of this work was to review the principals of environmental hazard and risk assessment (ERA) of cosmetic UV filters registered under EU REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals). Furthermore, effects as obtained from non-standardized testing methods and organisms from scientific literature were compared against the predicted no effect concentrations (PNECs) as derived based on standardized test methods for the various environmental compartments under REACH...
October 2023: International Journal of Cosmetic Science
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