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HC BLUE NO. 6

Description

HC Blue No. 6 is a synthetic hair dye molecule widely used in the cosmetic industry for its ability to impart vibrant blue hues to hair. This semi-permanent colorant belongs to the family of HC (Hair Color) dyes and is known for its effective color deposition without the need for oxidative processing. HC Blue No. 6 is particularly favored for its longevity and resistance to fading compared to other temporary dyes.

The compound is water-soluble and penetrates the hair shaft, adhering to the cuticle and cortex. Its molecular structure allows for a balance between color intensity and gradual washout, typically lasting through 6-8 shampoos. HC Blue No. 6 is often combined with other HC dyes to create a range of blue-based shades, from pastel to deep navy.

In formulations, HC Blue No. 6 is typically used at concentrations of 0.1% to 2%, depending on the desired color intensity. It performs optimally in slightly acidic environments (pH 5-6) and is compatible with most hair care ingredients. While generally considered safe for use in hair products, it's important to note that some individuals may experience skin sensitization, necessitating patch testing before widespread application.