ZINC OXIDE . INACTIVE INGREDIENTS: WATER

TL;DR. This ingredient is primarily used as a mineral UV filter, where it helps scatter and absorb broad-spectrum UV radiation. It can also add opacity, coverage, and soothing skin-feel in barrier products.

What does ZINC OXIDE . INACTIVE INGREDIENTS: WATER do in a cosmetic formula?

This ingredient is primarily used as a mineral UV filter, where it helps scatter and absorb broad-spectrum UV radiation. It can also add opacity, coverage, and soothing skin-feel in barrier products.

Is ZINC OXIDE . INACTIVE INGREDIENTS: WATER clean?

From a clean-beauty perspective, this ingredient is generally well accepted and has low irritation potential on intact skin. Main clean-standard caveats are particle size, inhalation exposure in loose powders or sprays, and clarity around non-nano versus nano forms.

Is ZINC OXIDE . INACTIVE INGREDIENTS: WATER sustainable?

This material is mineral-derived, so it comes from non-renewable mined feedstocks and is not biodegradable in the usual organic-material sense. Environmental scrutiny is higher for very small particles because aquatic behavior depends on coating, particle size, and release conditions.

Is ZINC OXIDE . INACTIVE INGREDIENTS: WATER COSMOS-approved?

It is generally permitted under COSMOS-natural and COSMOS-organic when it meets mineral, purity, and particle-size requirements, with nano forms subject to specific restrictions and labeling rules. Its Green Chemistry profile is mixed, since it is inert and low-residue in use, but mineral extraction and non-renewable sourcing are drawbacks.

How does ZINC OXIDE . INACTIVE INGREDIENTS: WATER work chemically?

This compound is an insoluble inorganic metal oxide that functions by absorbing, reflecting, and scattering UV across UVA and UVB wavelengths. In sunscreens it is often used around 5% to 25%, needs strong dispersion to prevent whitening or grit, and is commonly surface-treated to improve stability and compatibility with oils or emulsions.

Last updated 2026-05-13