What Is Hc Yellow No. 12?
Hc Yellow No. 12, also known by its chemical name 1-chloro-3-nitro-4-(β-hydroxyethyl)aminobenzene, is a synthetic compound primarily used as a hair dyeing agent in cosmetic products. This vibrant yellow dye is a member of the nitro dye family, which is known for its bright and long-lasting color properties.
The history of Hc Yellow No. 12 in cosmetics dates back to the mid-20th century when the demand for more diverse and vibrant hair colors began to rise. As consumers sought more options beyond natural hair colors, chemists and cosmetic manufacturers turned to synthetic dyes like Hc Yellow No. 12 to meet this growing need. Its ability to provide a consistent and vivid yellow hue made it a popular choice in the formulation of hair dyes.
The production of Hc Yellow No. 12 involves a series of chemical reactions starting with the base compound benzene. Through a process of nitration, chlorination, and subsequent reactions with ethylene oxide, the final compound is synthesized. This meticulous process ensures that the dye is stable, safe for use in cosmetic applications, and capable of delivering the desired color effect.
The Benefits/Uses of Hc Yellow No. 12
In this section, we will delve into the officially recognized cosmetic benefits and uses of Hc Yellow No. 12:
Hair Dyeing
Hc Yellow No. 12 is primarily used as a hair dye ingredient. This means that its main function is to impart color to the hair. When included in hair dye formulations, Hc Yellow No. 12 helps achieve a specific shade or tone, contributing to the overall color result. Whether you’re looking to add a subtle yellow hue or enhance a more complex color blend, this ingredient plays a crucial role in the final appearance of your dyed hair.
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).
Potential Side Effects & Other Considerations
When considering the use of Hc Yellow No. 12 in cosmetic products, it is important to be aware of its safety, suitability, and allergenic potential.
- Skin irritation
- Allergic reactions
- Contact dermatitis
- Eye irritation (if it comes into contact with the eyes)
Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of Hc Yellow No. 12 during pregnancy and breastfeeding are lacking. Therefore, it is advisable for these individuals to consult a healthcare professional for further advice before using products containing this ingredient.
Adverse reactions to Hc Yellow No. 12 are relatively uncommon, but they can occur. It is recommended to conduct a patch test before widespread usage to ensure there are no adverse reactions.
Hc Yellow No. 12 has a comedogenic rating of 1, which means it is unlikely to clog pores and cause acne or breakouts. This makes it generally suitable for individuals who are prone to acne or blemishes.