HC Yellow No. 4 – Glossary
Brief definition
HC Yellow No.4 is a synthetic hair dye used in oxidative and semi-permanent hair coloring products for yellow to golden shades.
What is HC Yellow No.4?
HC Yellow No.4 belongs to the group of HC dyes (Hair Colorants), which were specially developed for use in hair dyes. The dye is water-soluble and adheres to the hair fiber without penetrating deeply into the hair structure. It is often used in combination with other color pigments to achieve precise color nuances and warm reflections. Related terms are hair dye, HC Dye, and cosmetic color additive.
Function and effect
HC Yellow No.4 adds yellow to golden color accents to the hair and supports the fine-tuning of hair colors. The dye ensures even color results and contributes to color intensity and brilliance.
Properties
Synthetic hair dye
Water-soluble
Yellow coloring
Easily combinable with other color pigments
For temporary to semi-permanent applications
Advantages at a glance
Creates warm yellow and golden nuances
Ensures even color results
High color brilliance
Easily controllable color intensity
Proven in professional hair coloring products
Compatibility and Safety
HC Yellow No.4 is cosmetically approved and may only be used within the legally stipulated maximum quantities. As with all hair dyes, a compatibility test is recommended before use.
Typical areas of application
Hair dyes
Semi-permanent hair colors
Tints
Professional salon products
Combined hair coloring systems
Frequently Asked Questions (FAQ)
What does HC Yellow No.4 do in hair colors?
It creates yellow to golden shades and nuances.
Is HC Yellow No.4 a permanent dye?
No, it is mainly used in temporary and semi-permanent systems.
Is HC Yellow No.4 harmful to hair?
When used correctly and within the limit values, it is considered safe.
Is HC Yellow No.4 suitable for sensitive scalps?
Depending on the overall formulation, a skin test is recommended.
Why is HC Yellow No.4 combined with other dyes?
To achieve precise color nuances and balanced color results.
Conclusion
HC Yellow No.4 is a specialized hair dye that provides warm color nuances, even results, and high color brilliance in modern hair coloring products.







