Hair dye is a kind of cosmetics for coloring hair. Not only can hair dye be used to create various fashionable colors, with the fast pace of life and intense work in today's society, white hair and hair loss caused by stress and busyness have increased significantly, which has brought a huge market for hair color products. There are many types of hair dyes, the most common hair dyes are oxidative permanent hair dyes, most oxidative hair dyes components have certain allergenicity, especially when hair dyes are added in excess, the probability of allergic reaction will be significantly increased, and in severe cases, scalp and surrounding skin or hands will produce erythema, edema, then papules, blisters accompanied by a large amount of exudation, etc, and the surrounding skin is obviously itchy. Therefore, for safety considerations, the detection of cosmetic hair dyes is an essential step in the production and marketing of their products.
The main focus of the detection of hair dyes is the detection of aromatic amine compounds based on the content of heavy metals. The detection methods of aromatic amine compounds mainly include high performance liquid chromatography, liquid phase mass spectrometry, gas chromatography, gas chromatography mass spectrometry, and high performance capillary electrophoresis detection method. As for heavy metal detection methods, we can choose atomic absorption spectrometry and atomic fluorescence spectrometry. Among them, flame atomic absorption spectrometry is the most common detection method for heavy gold elements in hair dyes.
CD Formulation provides a variety of testing services and complete test reports based on decades of industry experience. The quality of hair dyes in the market is different, through the detection of hair dye, we can get a good understanding of the ingredients of hair dyes, especially harmful substances. For some fake and shoddy products, we can increase the necessary basis for combating rights protection. Our team of experts can be based on the nature of hair dyes and types, we choose the appropriate sample handling method and testing equipment, usually the detection of hair dyes is mainly the detection of its components, the detection of health indicators, the detection of microbial indicators and heavy metals.
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