Article last updated: October 15, 2024
Hc Orange No. 2, also known by its chemical name 1-(2-Aminoethyl)amino-4-(2-hydroxyethyl)oxy-2-nitrobenzene, is a synthetic compound primarily used as a hair dyeing agent in cosmetic products. This vibrant orange dye is part of a broader category of nitro dyes, which are known for their bright and long-lasting color properties.
The history of Hc Orange No. 2 dates back to the mid-20th century when advancements in organic chemistry allowed for the synthesis of more stable and diverse colorants. Initially, it was developed for use in textiles and other industrial applications, but its excellent dyeing properties soon caught the attention of the cosmetic industry. Over time, it became a popular ingredient in hair dyes due to its ability to impart a vivid orange hue that can be used alone or mixed with other dyes to create a wide range of shades.
The production of Hc Orange No. 2 involves a multi-step chemical synthesis process. It starts with the nitration of a benzene ring, followed by a series of reactions that introduce amino and hydroxyethyl groups. These functional groups are crucial as they enhance the dye’s solubility and binding affinity to hair fibers, ensuring a more uniform and lasting color application. The final product is a fine, orange powder that is then formulated into various hair dye products.
In this section, we will delve into the officially recognized cosmetic benefits and uses of Hc Orange No. 2:
Hc Orange No. 2 is primarily used as a hair dyeing agent. This means it is specifically formulated to impart color to the hair. When included in hair dye products, it helps achieve vibrant and long-lasting orange hues. This can be particularly beneficial for those looking to make a bold fashion statement or simply cover up gray hairs with a striking color.
Note: the listed benefits above are exclusively based on the officially recognized and defined functions of the ingredient, as documented by the International Nomenclature of Cosmetic Ingredients (INCI).
When considering the use of Hc Orange No. 2 in cosmetic products, it is important to be aware of its safety, suitability, and allergenic potential. While this ingredient is primarily used for hair dyeing, it can have side effects when applied topically.
Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of Hc Orange No. 2 during pregnancy are lacking. Therefore, it is advisable for these individuals to consult a healthcare professional for further advice before using products containing this ingredient.
Side effects and adverse reactions from Hc Orange No. 2 are relatively uncommon, but they can occur. It is recommended to perform a patch test before widespread usage to ensure that you do not have an adverse reaction to the ingredient.
In terms of comedogenicity, Hc Orange No. 2 has a rating of 1 on a scale of 0 to 5, where 0 is totally non-comedogenic and 5 is highly comedogenic. This low rating means that it is unlikely to clog pores and cause acne or breakouts, making it generally suitable for people prone to blemishes.
