Titanium Dioxide . May Contain Iron Oxides (CI 77491 ●
TL;DR. This ingredient is primarily a white opacifying pigment and colorant, adding coverage, brightness, and opacity in complexion products, sunscreens, and powders. When specifically formulated and approved for that role, it can also function as an inorganic UV filter.
What does Titanium Dioxide . May Contain Iron Oxides (CI 77491 do in a cosmetic formula?
This ingredient is primarily a white opacifying pigment and colorant, adding coverage, brightness, and opacity in complexion products, sunscreens, and powders. When specifically formulated and approved for that role, it can also function as an inorganic UV filter.
Is Titanium Dioxide . May Contain Iron Oxides (CI 77491 clean?
This material is generally well tolerated on skin and is widely accepted in non-inhalable formats, but clean standards often apply extra scrutiny to respirable powders, sprays, and some nano forms. The accompanying mineral colorants are also common in color cosmetics and are mainly assessed for heavy-metal impurity limits.
Is Titanium Dioxide . May Contain Iron Oxides (CI 77491 sustainable?
It is mined from mineral ores and then purified, so its footprint is tied to extraction, refining energy, and waste management rather than agricultural land use. It is inorganic and does not biodegrade in the usual sense, but it is not expected to bioaccumulate like persistent organic pollutants.
Is Titanium Dioxide . May Contain Iron Oxides (CI 77491 COSMOS-approved?
This ingredient is permitted under COSMOS-natural and COSMOS-organic when it meets mineral-origin and purity criteria, with nano and sunscreen-use cases subject to the standard’s specific conditions. From a Green Chemistry view, it scores less well on renewability because it is mined and energy-processed, but it is chemically stable, low-reactive, and compatible with low-solvent formulation approaches.
How does Titanium Dioxide . May Contain Iron Oxides (CI 77491 work chemically?
The molecule is an inorganic metal oxide lattice with a high refractive index, which explains its strong light scattering, opacity, and UV attenuation. Typical pigment use ranges from below 1% for tone adjustment to 5–25% for coverage, while UV-filter applications can be higher depending on regional limits and SPF target.
Last updated 2026-05-14