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Cosmetic oxidative hair dye detection method

A detection method and oxidized technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of carcinogenicity, mutagenesis, endocrine effects, etc., and achieve the effect of smooth testing

Inactive Publication Date: 2015-07-15
HUAIAN PEAKS BIOLOGICAL SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Allergic reactions caused by hair dyes are very common, and long-term use may also cause teratogenic, mutagenic, carcinogenic and endocrine effects, etc.

Method used

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  • Cosmetic oxidative hair dye detection method

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Embodiment Construction

[0014] Such as figure 1 As shown, a detection method for oxidative hair dyes in cosmetics is characterized by p-phenylenediamine HCl, p-aminophenol, toluene-2,5-diamine sulfate, resorcinol, m-aminophenol For the detection of these 5 targets, the detection method requires 5 samples; the specific steps are as follows:

[0015] A. Sample pretreatment: Weigh 0.5g sample directly, add several glass beads, 1% sodium sulfite solution 1mL, ethanol 12mL, 1% triethanolamine phosphate buffer (pH=7.7) 12mL; shake to make the sample completely dispersed In solution; ultrasonic extraction for 15min; after filtering with 0.45μm organic filter membrane, sample injection analysis;

[0016] B. Preparation of standard stock solutions: p-phenylenediamine HCl, p-aminophenol, resorcinol, m-aminophenol, these four standards are prepared with ethanol and stored at -18°C; toluene-2,5-diamine Prepare the sample solution with water and ethanol for sulfate, adjust the pH to alkaline with ammonia water, add ...

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Abstract

The invention discloses a cosmetic oxidative hair dye detection method, which aims at five target objectives: p-phenylenediamine HCl, P-aminophenol, toluene-2,5-diamine sulfate, resorcinol, and m-aminophenol. The detection method comprises the following steps: step A, pre-treating a sample; step B, preparing a standard stock solution; step C, preparing a standard work solution; and step D, setting the analysis conditions. The dye components has the characteristics of strong polarity, low volatility, and instability, and the provided detection method can effectively control the uncertain factors and is capable of successfully and precisely finishing the detection.

Description

Technical field [0001] The invention belongs to the field of cosmetic safety detection, and specifically relates to a detection method for oxidized hair dye in cosmetics. Background technique [0002] With the continuous improvement of living standards, people have begun to pay attention to the quality of life and the quality of consumption. As one of the beauty methods, hair dyeing has become a popular fashion in the world. Hair dyes can be divided into oxidation type (persistence), direct type (temporary or semi-persistent), metal salts and natural plant types. The currently used hair dyes are mainly oxidized hair dyes, which have many advantages such as good dyeing effect, wide color change, and long maintenance time. The dye components used in oxidative hair dyes are mostly aromatic amine compounds, which are carcinogenic compounds, so their safety issues have attracted wide attention. Allergic reactions caused by hair dyes are very common, and long-term use may also cause...

Claims

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Application Information

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IPC IPC(8): G01N30/02
Inventor 单宇龙
Owner HUAIAN PEAKS BIOLOGICAL SCI & TECH CO LTD
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