Hair dyes applied to the head are absorbed through the scalp, where there's a very rich blood supply that may carry them throughout the body. 用于头部的染发剂被头皮吸收,头皮处有非常丰富的血液供给组织,也许将会把他们传送到全身上下。
In general, I discourage use of hair dyes containing artificial coloring agents, which to my mind are as suspect in cosmetic products as they are in food. 总体来说,我不赞成使用带有人工色素染剂的染发剂,对于我来说,对化妆用品的不可信就像对食物中一样。
Instead, men are taking control, turning to pills and special shampoos on top of hair dyes. 中国的男人们越来越随心所欲,他们不但开始染发,为保护头发还服用药物或是使用特殊的洗发品。
Male employees are also warned about using hair dyes to mask their advancing age, since the'artificial color contrasts excessively with the actual age of your skin. ' 另外,男性员工在利用染发掩盖年龄痕迹时也要注意,因为人造色会与皮肤的真实年龄形成鲜明对比。
The Comparison of Gas Chromatography and Liquid Chromatography Analysis Methods for P-phenylenediamine in Oxidation Hair Dyes 氧化型染发剂中对苯二胺的气液相色谱分析方法比较
The owner wants someone hardworking, reliable and honest to wash hair, launder towels and gowns, mix hair dyes and make cups of coffee for her well-coiffed clientele. 沙龙店主需要一个刻苦耐劳、诚实可靠的学徒,为客人洗头、清洗毛巾和睡袍、混合染发剂,为做好头发的客人倒咖啡。
Objective To study the subchronic toxicity of the oxidized hair dyes in mice. 染发剂经皮染毒对小鼠的亚慢性毒作用。
Results: The weight of the guinea pigs was influenced by hair dyes, and squamous metaplasia was observed in part of the uterine tubes. 结果:染发剂对豚鼠体重增加有影响,并导致雌性豚鼠输卵管局部鳞状上皮化生。
The Study on the Toxicity and Health Effect of Chemical Hair Dyes and Hair-Waving Fluids 化学染发剂和冷烫精的毒性及对人体健康影响的调查研究
The genotoxicity of two main components of oxidative hair dyes, such as p phenylenediamine ( PPD) and hydrogen peroxide ( H 2O 2), and their mixture were determined by SOS/ Umu assay to confirm the genotoxic origin of oxidative hair dyes. 采用SOS/Umu试验对氧化型染发剂中的两种主要成分双氧水(H2O2)和对苯二胺(PPD)及二者混合物的遗传毒性作进一步探讨。
Results The positive rate of chromosome aberration test in the 346 hair dyes was 12.72%; 结果346份染发剂的染色体畸变阳性率为12.72%;
Objective To study the safety of 14 hair dyes of oxidation type. 目的探讨同一系列氧化型染发剂的安全性。
Study of Percutaneous Absorption of Hair Dyes Through Rat Skin with the~ 3H Labelled p-Phenylenediamine Tracing Technique 用~3H标记的对苯二胺示踪法研究大鼠皮肤对染发剂的吸收
Study on Toxicity of Domestic Oxidized Hair Dyes 国产氧化型染发剂的毒性研究
Safety test for 14 hair dyes of oxidation type 14种氧化型染发剂的安全性测试
A method for the determination of 16 toxic and harmful substances in oxidation hair dyes was studied. 对氧化型染发剂中16种有毒有害化学物质的测定方法进行了较系统的研究。
A method of determination 9 components in oxidation hair dyes by gas chromatography-selected ion storage mass spectrometry ( GC/ MS/ SIS) was studied. 本文采用气相色谱质谱选择离子存储法(SIS)同时测定氧化型染发剂中9种组分。
The functional features of plant hair dyes were compared against chemical hair dyes. 比较了植物染发剂与化学染发剂的功能特点;
In this paper, the influence of oxidative dyes, dye dose, pH value of dyeing agents and packaging on oxidative hair dyes was investigated. 本文比较系统地研究了氧化染料、染料配比、染色剂pH值范围以及包装材料等因素对氧化型染发剂的影响。
Conclusion: The genotoxicity of oxidation hair dyes is the result from the effect not only of H 2O 2 but also of oxidized product of PPD. 结论:氧化型染发剂组分中的H2O2以及PPD与H2O2的氧化产物均具有直接遗传毒性作用;
In order to investigate the hazard to human health of long term use of hair dyes, 78 hair dyes were evaluated by Ames test. 为进一步探讨长期使用染发剂对人体健康的危害,对78种染发剂进行了Ames试验检测。
Development of plant hair dyes 植物染发剂的发展
The results demonstrated that the positive rate was 7.7%, and all of them were oxidative hair dyes. 结果表明,其阳性检出率为7.7%,均为氧化型染发剂。
Methods Test on oral acute toxicity in mice, skin stimulation test and eye stimulation test were used to evaluate the safety of 14 hair dyes of oxidation type. 方法采用小鼠急性经口毒性试验,皮肤刺激性试验,急性眼刺激性试验,分别观察14种氧化型染发剂的急性经口毒性和对皮肤,眼睛的刺激强度。
The setup method was simple, rapid, and could effectively extract, identified and quantified 16 colorants in hair dyes. 方法简单、快速,能有效提取和分离测定染发剂中16中染料。
Apparatus conditions of GFAAS for determination of Pb. Cd and Cu in eight kinds of plant hair dyes were inquired. The factors affecting the result were investigated including the drying temperature, atomization temperature, ashing temperature and matrix modifier. 系统研究了用石墨炉原子吸收光谱法测定八种植物染发剂中Pb、Cd和Cu的仪器测定条件,包括干燥温度、灰化温度、原子化温度、基体改进剂等,得到最佳仪器测定条件。
A HPLC method for the simultaneous separation and determination of p-phenylenediamine 、 m-phenylenediamine 、 hydroquinone and resorcinol in four kinds of oxidizing hair dyes was established. 本文的研究内容如下所示:建立了同时测定四种氧化型染发剂中对苯二胺、间苯二胺、对苯二酚、间苯二酚的高效液相色谱分离分析方法。
The main component of black hair dye is PPD, multicolor hair dyes are composed of derivate of PPD and other chemical constituent. 黑色染发剂是以对苯二胺(PPD)为主要成分的,彩色染发剂也都是有对苯二胺的衍生物与其他化学成分不同配比而成的。