Zinc Oxide 12%. Inactive Ingredients: Aqua/Water/Eau ●
TL;DR. At 12%, this ingredient functions as an inorganic mineral UV filter, forming a particulate layer that reflects, scatters, and absorbs UV radiation. In this simple water-based listing, it is the sunscreen active rather than a supporting excipient.
What does Zinc Oxide 12%. Inactive Ingredients: Aqua/Water/Eau do in a cosmetic formula?
At 12%, this ingredient functions as an inorganic mineral UV filter, forming a particulate layer that reflects, scatters, and absorbs UV radiation. In this simple water-based listing, it is the sunscreen active rather than a supporting excipient.
Is Zinc Oxide 12%. Inactive Ingredients: Aqua/Water/Eau clean?
Clean-beauty frameworks generally view this ingredient as a preferred sunscreen active because it is fragrance-free, low-irritation, and not associated with common allergen lists. Points of scrutiny are particle size, inhalation exposure in powders or sprays, and whether the grade is coated or nano-sized.
Is Zinc Oxide 12%. Inactive Ingredients: Aqua/Water/Eau sustainable?
This material is mineral-derived and not biodegradable in the usual organic-molecule sense, though it is also not a petroleum polymer. Environmental assessment depends on particle size, coatings, and dissolution behavior, with aquatic-impact questions mainly tied to soluble metal ion release and high local concentrations.
Is Zinc Oxide 12%. Inactive Ingredients: Aqua/Water/Eau COSMOS-approved?
It is generally permitted in COSMOS-style natural and organic sunscreen contexts when it meets mineral, purity, and nanomaterial conditions required by the standard and local regulation. From a Green Chemistry view, it scores well for photostability and low skin reactivity, but less strongly for mining dependence and lack of biodegradability.
How does Zinc Oxide 12%. Inactive Ingredients: Aqua/Water/Eau work chemically?
The molecule is an inorganic metal-oxygen lattice used as micronized or dispersed particles, with sunscreen regulations in some markets allowing levels up to 25%, so a 12% level is a typical active concentration. It is photostable, insoluble in water, compatible across many emulsion systems, and requires good dispersion to reduce whitening, grittiness, settling, and uneven UV coverage.
Last updated 2026-05-13