Red 6 ●
TL;DR. This ingredient is a synthetic colorant used to give cosmetics and personal care products a red to pink shade, especially in pigmented products such as lip color, blush, and nail products.
What does Red 6 do in a cosmetic formula?
This ingredient is a synthetic colorant used to give cosmetics and personal care products a red to pink shade, especially in pigmented products such as lip color, blush, and nail products.
Is Red 6 clean?
From a clean-beauty perspective, this ingredient has friction because it is a regulated synthetic color additive and may require batch certification depending on market and use case. It is not typically flagged for high irritation at approved cosmetic levels, but many clean standards restrict or exclude synthetic colorants as a category.
Is Red 6 sustainable?
This material is generally made from petrochemical aromatic intermediates through multi-step synthesis, so it is not renewable in the usual clean-standard sense. It has limited biodegradability and can be environmentally persistent, although use levels in finished products are usually low.
Is Red 6 COSMOS-approved?
This ingredient is not permitted under COSMOS natural or organic standards because it is a synthetic organic colorant rather than an allowed mineral or nature-derived color. Its Green Chemistry fit is limited due to petrochemical sourcing, multi-step processing, and low biodegradability.
How does Red 6 work chemically?
This compound is an azo-type organic colorant, often used as an insoluble lake or pigment form for stronger color payoff and lower bleeding in wax, oil, and powder systems. Typical cosmetic use is shade-dependent, often in the low parts-per-thousand range up to a few percent in highly pigmented products, and stability is best away from strong oxidizers, reducers, and extreme pH.
Last updated 2026-05-13