Abstract：
:This work describes the development, validation and application of a simple and fast high-performance liquid chromatography-with diode array dectection (HPLC-DAD) method for the determination of eight sunscreen agents: benzophenone-3, octocrylene, ethylhexyl methoxycinnamate, ethylhexyl salicylate, homosalate (used in two isomeric forms), butyl methoxydibenzoylmethane, 4-methylbenzylidene camphor and ethylhexyl dimethyl PABA in sunscreen formulations. The separation of the eight sunscreen compounds was achieved using an ACE C18 column (250 × 4.6 mm, 5 μm), with a column temperature 20°C, and a mobile phase of 88 : 12 (v/v) methanol-water with isocratic elution. Column temperature strongly influences the retention time and resolution of the compounds. The flow rate was 1.0 mL min(-1) and quantitation was performed by external calibration at the maximum wavelength of each compound. The sample preparation was simple and consisted basically of sample dilution with methanol, centrifugation and filtration in syringe filters before quantitation. Total run time was 18 min. The method was validated according to the parameters: linear range, linearity, selectivity, intra-day and inter-day precision and accuracy. Ten samples of sunscreen emulsions commercially available in Brazil (SPF 30) from different manufacturers were analysed using the proposed method. The number of the sunscreen agents varied between one and five in a single sample. The concentrations of all compounds were in the range of 0.9-10% (w/w) and were in accordance with the current Brazilian legislation.
journal_name
Int J Cosmet Scijournal_title
International journal of cosmetic scienceauthors
Peruchi LM,Rath Sdoi
10.1111/j.1468-2494.2012.00703.xsubject
Has Abstractpub_date
2012-06-01 00:00:00pages
226-33issue
3eissn
0142-5463issn
1468-2494journal_volume
34pub_type
杂志文章abstract：OBJECTIVE:To evaluate wrinkle improvement and safety of a novel cosmetic dissolving microneedle patches loaded with two active compounds with different hydrophilicities, namely ascorbic acid and retinyl retinoate. METHODS:Clinical studies were performed on 24 Korean women for 12 weeks. Patients in group A were treated...
journal_title：International journal of cosmetic science
pub_type： 杂志文章,随机对照试验
doi：10.1111/ics.12115
更新日期：2014-06-01 00:00:00
abstract：:Essential oils and certain perfumery raw materials exhibit a wide range of beneficial biological activities. Besides the antimicrobial and antioxidant activity, the anti-inflammatory and anti-irritant effects are most often cited. One specific mode of action is the reduction of the formation of the key mediator prosta...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1468-2494.2007.00392.x
更新日期：2007-10-01 00:00:00
abstract：:There is an increasing demand in general population regarding skin healthiness and improvement of aesthetical appearance, indicating that people require more information about how to treat healthy skin and to prevent skin disease. This study is the result of a campaign on healthy skin organized by the International So...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1467-2494.2005.00287.x
更新日期：2005-12-01 00:00:00
abstract：:Fading of artificial hair colour has been investigated by simulating actual usage conditions through exposure to artificial radiation in a weatherometer, with 0.35 mW (m(2)nm)(-1) at 340 nm, for 16-48 h, and by periodical washing. Hair colour was produced by using commercial two-part, permanent hair dyes with light au...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1467-2494.2006.00314_3.x
更新日期：2006-06-01 00:00:00
abstract：:Lysyl oxidase-like (LOXL) is an extracellular enzyme that catalyses the cross-linking between microfibrils and tropoelastin (TE), thereby ensuring elastic fibre functionality. With ageing, LOXL expression decreases, thus participating in the loss of skin elasticity. In a previous study, we showed that a dill seed extr...
journal_title：International journal of cosmetic science
pub_type： 杂志文章,随机对照试验
doi：10.1111/j.1468-2494.2010.00606.x
更新日期：2011-04-01 00:00:00
abstract：OBJECTIVE:The aim of this work was to investigate an alternative hair-dyeing method with vegetable colourants as the tannins, as well as the impact of pre-treatment as the bleaching process. METHODS:Untreated, 1, 2 and 3 times bleached hair tresses that were dyed with tannins in combination with metal salts were chara...
journal_title：International journal of cosmetic science
pub_type： 杂志文章,评审
doi：10.1111/ics.12624
更新日期：2020-08-01 00:00:00
abstract：OBJECTIVE:To study the permeation of liquiritigenin (LQG) and liquiritin (LQ) as licorice flavonoids into the skin, we prepared ceramide liposome-in-cellulose hydrogel complex system. METHODS:Liposome-in-hydrogel complex systems were developed by incorporating ceramide liposomes into cellulose hydrogels by the swellin...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/ics.12156
更新日期：2014-12-01 00:00:00
abstract：:Good water-impermeable barrier function is vital for healthy skin. Abnormality of the barrier function is observed in a variety of skin diseases, such as atopic dermatitis, psoriasis and contact dermatitis. Moreover, repeated barrier disruption induces epidermal hyperplasia and inflammation. On the other hand, acceler...
journal_title：International journal of cosmetic science
pub_type： 杂志文章,评审
doi：10.1111/j.1468-2494.2008.00487.x
更新日期：2009-04-01 00:00:00
abstract：:The causative substances for axillary osmidrosis, which are often found in apocrine sweat, are the decomposed/denatured products of short-chain fatty acid and other biological metabolite compounds produced by axillary-resident bacteria. Conventional underarm deodorants suppress the process of odour production mostly b...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1467-2494.2006.00322.x
更新日期：2006-08-01 00:00:00
abstract：OBJECTIVE:The aim of the study was to develop formulations to deliver physiological lipids into skin in an attempt to repair defective barrier function. METHODS:Physiological cholesterol and linoleic acid were incorporated into basic cream and non-ionic cream to prepare skin repair formulations. Homogeneity and storag...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/ics.12491
更新日期：2018-10-01 00:00:00
abstract：:Synopsis The ocular irritation potential of 107 cosmetics and toiletries was compared using the rabbit's eye Draize test (IOMA), a cytotoxicity in vitro method (CFIO), and the hen's egg chorioallantoic membrane test (HET-CAM). There was a good correlation between both alternative methods and the Draize test. Non-corre...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1467-2494.1995.tb00124.x
更新日期：1995-10-01 00:00:00
abstract：:Synopsis An objectivised sensorial method for evaluating the effects of shampoos on the appearance and manageability of the hair is described. Two different shampoos for greasy hair were applied twice weekly for a period of 4 weeks to the right and left sides (split-head tests) of six subjects having greasy hair, the ...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1467-2494.1979.tb00205.x
更新日期：1979-04-01 00:00:00
abstract：:Synopsis An historical reference is followed by a review of cosmetic colours' regulations based on the EEC Directive with particular reference to the U.K. Cosmetic Products Regulations and their effect on formulation. ...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1467-2494.1979.tb00217.x
更新日期：1979-08-01 00:00:00
abstract：OBJECTIVE:As skin ages, impaired extracellular matrix (ECM) protein synthesis and increased action of degradative enzymes manifest as atrophy, wrinkling and laxity. There is mounting evidence for the functional role of exogenous peptides across many areas, including in offsetting the effects of cutaneous ageing. Here, ...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/ics.12635
更新日期：2020-08-01 00:00:00
abstract：OBJECTIVE:The objective of this study was to clarify the effects of different body washing methods on skin texture. METHODS:Subjects were nine healthy women in their 20s. Skin on the inside of the forearms was washed every day for 4 weeks with protective washing (right forearm) and with non-protective washing (left fo...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/ics.12114
更新日期：2014-04-01 00:00:00
abstract：OBJECTIVE:Lipsticks and lip care products may contain saturated hydrocarbons which either stem from mineral oil saturated hydrocarbons (MOSH) or are synthetic, that is polyolefin oligomeric saturated hydrocarbons (POSH). Some of these hydrocarbons are strongly accumulated and form granulomas in human tissues, which pro...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/ics.12276
更新日期：2016-04-01 00:00:00
abstract：OBJECTIVE:A novel microwave-assisted dispersive liquid-liquid microextraction (MADLLME) technique according to the solidification of a floating organic droplet (SFO) and graphite furnace atomic absorption spectrometry (GFAAS) used for the extraction and determination of lead ions in lipsticks and hair dyes made in diff...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/ics.12221
更新日期：2015-10-01 00:00:00
abstract：:Reconstructed human epidermis models (RHE) constitute an innovative alternative to study phototoxicity and photoprotection in the cosmetic industry. However, little information is currently available concerning the harmful effects of solar-simulated radiation (SSR) in these in vitro skin models. In this study, the pho...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1468-2494.2009.00506.x
更新日期：2009-08-01 00:00:00
abstract：OBJECTIVE:Equol has been shown to improve skin health and regeneration, due to its antioxidative, phytoestrogenic and epigenetic characteristics. The effects of a topical intervention on skin structure, telomere length and epigenetic markers in skin cells were analysed. METHODS:Sixty-four participants were divided in ...
journal_title：International journal of cosmetic science
pub_type： 杂志文章,随机对照试验
doi：10.1111/ics.12408
更新日期：2017-10-01 00:00:00
abstract：:The addition of water to lipsticks in the form of a water-in-oil emulsion is an attractive opportunity for cosmetics manufacturers to deliver hydrophilic molecules to the consumers, as well as improving the moisturizing properties. In this work, the effect of the emulsifier type and water content on the structural pro...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1468-2494.2010.00624.x
更新日期：2011-06-01 00:00:00
abstract：:A multicentred study derived from the COLIPA in vitro UVA method was performed to assess the influence of test conditions on UVA protection factor (UVAPF) values in terms of amplitude, reproducibility between laboratories and correlation with in vivo UVA results. Eight products with a range of in vivo UVAPF from three...
journal_title：International journal of cosmetic science
pub_type： 杂志文章,多中心研究
doi：10.1111/j.1468-2494.2012.00748.x
更新日期：2013-02-01 00:00:00
abstract：:Synopsis A technique was developed to evaluate the relative slip of ten test talcs and two control talcs (one with known good slip and one with known poor slip properties). The study was conducted under double-blind conditions with a naive panel of 19 subjects, who with minimal training ranked the 12 talcs. The rankin...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1467-2494.1992.tb00041.x
更新日期：1992-04-01 00:00:00
abstract：:The assessment of many aspects of the structure and biological dynamics of the stratum corneum can be conducted using calibrated stripping with adhesive-coated discs (SACD). Squamometry entails staining SACD samples with a toluidine blue-basic fuschsin ethanol-based solution and reading the colorimetric variable Chrom...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：
更新日期：2000-12-01 00:00:00
abstract：:Synopsis An O/W/O multiple emulsion was formulated using almond oil as the inner phase and liquid paraffin as the outer phase. The properties of the formulation ingredients were explored: effect of the type of primary emulsifier, and the nature and concentration of the secondary emulsifier. The volume fraction of the ...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1467-2494.1994.tb00077.x
更新日期：1994-02-01 00:00:00
abstract：:In recent years the importance of sphingolipids (cerebrosides, sphingomyelin, ceramides, sphingosine-1-phospate, etc.) in skin biology is receiving an increasing interest. Not only are ceramides essential for the barrier function of the skin, especially through their phytosphingosine, sphingosine and 6-hydroxysphingos...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1467-2494.2007.00394.x
更新日期：2007-08-01 00:00:00
abstract：:Summary The powder made with leaflets of a senna, Cassia obovata Coll., is a cosmetic mis-called 'neutral henna' The traditional use of C. obovata is as a laxative. The principal active components of this laxative drug are sennosides A and B. In the Middle Ages the blend of henna (Lawsonia inermis) and senna was calle...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1467-2494.1981.tb00284.x
更新日期：1981-10-01 00:00:00
abstract：:Sun exposure during leisure activity evokes fatigue. We employed the Advanced Trail Making Test (ATMT), a recently developed objective method of evaluating brain function performance used to measure mental fatigue, for objective determination of fatigue development caused by solar exposure to the human body. First, a ...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.0142-5463.2004.00200.x
更新日期：2004-02-01 00:00:00
abstract：OBJECTIVE:This study focused on the formulation of lamellar lyotropic liquid crystal (LLC) loaded with mulberry stem extract (MSE). METHODS:The LLC formulation tested used two oils: n-dodecane or tridecyl salicylate, a co-solvent (propylene glycol) and a single (PEG-7 glyceryl cocoate) or mixed surfactant system. The ...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/ics.12116
更新日期：2014-06-01 00:00:00
abstract：:The present investigation describes a comparative study for the design of innovative topical formulation for skin hydration. In particular, different colloidal forms based on lipidic components have been produced and characterized. Morphology and dimensional distribution have been investigated by means of electron mic...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1111/j.1467-2494.2007.00362.x
更新日期：2007-02-01 00:00:00
abstract：:Various models of reconstructed epidermis already provide useful tools for safety and efficacy assessment of cosmetic products. However, the majority of these in vitro models are composed of keratinocytes only. Recently, the introduction of melanocytes into epidermal reconstructs has considerably enlarged their field ...
journal_title：International journal of cosmetic science
pub_type： 杂志文章
doi：10.1046/j.1467-2494.1999.183571.x
更新日期：1999-02-01 00:00:00
