Zinc Oxide 1%

TL;DR. This ingredient is an inorganic pigment, opacifier, and mineral UV scatterer. At 1%, it usually supports opacity, coverage, and skin-protective positioning rather than serving as a stand-alone sunscreen system.

What does Zinc Oxide 1% do in a cosmetic formula?

This ingredient is an inorganic pigment, opacifier, and mineral UV scatterer. At 1%, it usually supports opacity, coverage, and skin-protective positioning rather than serving as a stand-alone sunscreen system.

Is Zinc Oxide 1% clean?

Clean-beauty frameworks generally view it as well-tolerated, with low sensitization potential and broad acceptance in mineral sunscreen and complexion products. The main scrutiny is particle size, especially nano grades, and inhalation exposure in loose powders or sprays.

Is Zinc Oxide 1% sustainable?

This material comes from mined mineral feedstocks and is not biodegradable because it is inorganic. It is generally persistent as a mineral particle, with more environmental attention on nano-scale forms and aquatic release than on typical cream or lotion use.

Is Zinc Oxide 1% COSMOS-approved?

It is generally permitted under COSMOS-natural and COSMOS-organic when it meets mineral ingredient criteria, with nano status and coating systems needing standard-specific review. From a Green Chemistry view, it scores well for stability and low reactivity, but less well on renewability and biodegradability because it is mined and inorganic.

How does Zinc Oxide 1% work chemically?

The molecule is an insoluble inorganic lattice that scatters and reflects visible and UV light, with performance shaped by particle size, dispersion quality, and surface treatments. It is stable across typical cosmetic pH ranges and is often dispersed with oils, esters, silicones, or coated particles to reduce agglomeration and improve skin feel.

Last updated 2026-08-16