YELLOW 6 . C ●
TL;DR. This ingredient is a synthetic colorant used to give products an orange-it shade. It appears mainly in rinse-off, makeup, hair, and personal care formulas where visual color matching matters.
What does YELLOW 6 . C do in a cosmetic formula?
This ingredient is a synthetic colorant used to give products an orange-it shade. It appears mainly in rinse-off, makeup, hair, and personal care formulas where visual color matching matters.
Is YELLOW 6 . C clean?
From a clean-beauty perspective, this ingredient is often flagged because many standards restrict synthetic colorants, especially petroleum-derived dye classes. It is regulated for purity, but brands with stricter colorant policies may not accept it.
Is YELLOW 6 . C sustainable?
This material is typically made from petrochemical feedstocks through synthetic dye chemistry. It is water-soluble, but biodegradability can be limited or variable, and dye manufacturing requires careful wastewater control.
Is YELLOW 6 . C COSMOS-approved?
It is not permitted in COSMOS-natural or COSMOS-organic formulas because synthetic organic colorants sit outside the allowed colorant set. Its fit with Green Chemistry is weak due to nonrenewable sourcing and more complex synthesis, despite use at very low levels.
How does YELLOW 6 . C work chemically?
The molecule is a sulfonated azo dye, usually supplied as a salt, which gives strong color in water-based systems at very low use levels, often well below 1%. It is generally stable across common cosmetic pH ranges, but strong oxidizing or reducing conditions can alter the chromophore, and quality specifications control subsidiary dyes, salts, and trace metals.
Last updated 2026-05-14