Zinc Oxide: 0.9% ●
TL;DR. This ingredient is an insoluble mineral powder used as a broad-spectrum UV filter, opacifier, and skin-protectant pigment. At 0.9%, it is more likely contributing opacity, tone, or support benefits than delivering standalone sun protection.
What does Zinc Oxide: 0.9% do in a cosmetic formula?
This ingredient is an insoluble mineral powder used as a broad-spectrum UV filter, opacifier, and skin-protectant pigment. At 0.9%, it is more likely contributing opacity, tone, or support benefits than delivering standalone sun protection.
Is Zinc Oxide: 0.9% clean?
Clean-beauty frameworks generally view this ingredient favorably because it is low-irritation, non-sensitizing, and not a common allergen. Friction mainly appears around nano particle size, inhalation concerns in loose or spray formats, and the need for high-quality dispersion.
Is Zinc Oxide: 0.9% sustainable?
This material is mineral-derived, so it is not renewable and depends on mining and refining. It is inorganic rather than biodegradable, and environmental scrutiny is higher for very small particles in rinse-off or aquatic-exposure contexts.
Is Zinc Oxide: 0.9% COSMOS-approved?
It is permitted under COSMOS-natural and COSMOS-organic standards when it meets the standard’s mineral and particle-size requirements. From a Green Chemistry lens, it scores well for stability and low skin reactivity, but less well on renewability and biodegradability.
How does Zinc Oxide: 0.9% work chemically?
The molecule is an insoluble crystalline inorganic powder made of divalent metal cations and oxygen anions, with UV attenuation driven by scattering and band-gap absorption. Sunscreen use levels commonly sit in the single digits up to about 25%, while sub-1% levels are typically used for opacity, skin feel, or support, and coated grades are often chosen to improve dispersion and reduce photocatalytic reactivity.
Last updated 2026-05-15