Iron Oxides [1] ●
TL;DR. This ingredient functions as an insoluble colorant, giving makeup, sunscreens, and tinted skin care red, yellow, brown, or black pigment effects. It also helps adjust opacity and undertone in complexion products.
What does Iron Oxides [1] do in a cosmetic formula?
This ingredient functions as an insoluble colorant, giving makeup, sunscreens, and tinted skin care red, yellow, brown, or black pigment effects. It also helps adjust opacity and undertone in complexion products.
Is Iron Oxides [1] clean?
This ingredient is widely accepted in clean-beauty frameworks as an inert pigment with low irritation and allergy potential. The main quality issue is compliance with cosmetic-grade limits for trace metal impurities.
Is Iron Oxides [1] sustainable?
This material is mineral-derived or synthetically produced from abundant inorganic feedstocks. It does not biodegrade in the usual organic-chemistry sense, but it is insoluble, stable, and not associated with bioaccumulation concerns in typical cosmetic use.
Is Iron Oxides [1] COSMOS-approved?
It is generally permitted under COSMOS-natural and COSMOS-organic when it meets purity and trace-metal limits for cosmetic colorants. Its Green Chemistry fit is strong on stability and low reactivity, but weaker on renewability because it is an inorganic mineral material.
How does Iron Oxides [1] work chemically?
This ingredient is an inorganic, insoluble particulate pigment made from metal and oxygen lattices, with shade controlled by crystal form, hydration state, and particle size. Use can range from trace tinting below 1% to several percent in complexion products, and it is stable across normal cosmetic pH, heat, and light but needs good dispersion to prevent speckling.
Last updated 2026-05-13