Primary Functions
- Broad-spectrum mineral UV-filter direction
- Mineral sunscreen positioning
- Skin-protective material context
Ingredient directions
Zinc Oxide Sunscreen Development
Zinc Oxide Sunscreen Formulation and Manufacturing
Develop private label or custom Zinc Oxide sunscreen around the exact UV-filter grade, nano or non-nano status, particle-size distribution, surface treatment, dispersion system, film formation, white-cast target, packaging, testing, and destination-market requirements. Zinc Oxide percentage alone does not establish SPF, broad-spectrum performance, or finished-product compliance.
Ingredient Snapshot
At a Glance
Buyer Value
- Core option for mineral sunscreen briefs across face and body formats
- Requires early decisions on nano status particle size coating dispersion optics film formation testing and target-market regulation
Best-Fit Product Formats
Material Note
Confirm the exact Zinc Oxide grade, assay, nano or non-nano classification, particle-size distribution, crystalline form, surface treatment, supplied dispersion or powder basis, impurities, storage, and supplier regulatory documentation before development.
Ingredient Direction
What Is Zinc Oxide?
Zinc Oxide is the inorganic mineral compound ZnO and a major sunscreen UV filter. FDA identifies Zinc Oxide as a defined ingredient substance, while U.S. sunscreen monograph M020 permits it as an active ingredient up to 25% when the finished OTC sunscreen meets the monograph’s testing and labeling conditions.
Zinc Oxide is not one formulation grade. Particle size, nano or non-nano status, agglomeration, surface treatment, purity, and whether it is supplied as powder or a pre-dispersion can materially change processing, optics, sensory feel, and regulatory documentation.
Concept Development
Why Brands Consider Zinc Oxide Sunscreen
Zinc Oxide supports mineral sunscreen positioning, but actual UV performance depends on the complete film formed on skin.
Broad-Spectrum UV-Filter Direction
Zinc Oxide is used for UVA and UVB protection. Its attenuation involves absorption and scattering rather than a simple “reflective shield,” and particle properties influence the optical and UV profile.
Mineral Sunscreen Positioning
Zinc Oxide is central to mineral-only and mineral-led sunscreen concepts. The commercial brief should still define target SPF, broad-spectrum performance, tint, sensory feel, water resistance, and destination-market pathway.
White-Cast and Transparency Control
Smaller particles can reduce visible whitening compared with larger pigmentary grades, but transparency is not determined by a single particle-size number. Agglomeration, coating, concentration, refractive environment, pigments, and film structure all matter.
Skin-Protective Context
Zinc Oxide also has a separate U.S. OTC skin-protectant pathway. That regulatory use should not be confused with sunscreen efficacy, and skin-protectant concentration ranges do not establish SPF.
Format Selection
Products You Can Make With Zinc Oxide
The main commercial route is sunscreen development, where grade selection, dispersion, film quality, aesthetics, testing, and regulation must be developed together.
| Product Format | Development Direction | Review First |
|---|---|---|
| Sunscreen Development | Face, body, tinted, mineral-only, or hybrid sunscreen concepts | Grade identity, particle and coating data, dispersion, film formation, white cast, water resistance, SPF/broad-spectrum testing, packaging, and market rules |
Formulation Notes
What to Confirm Before Sampling
Zinc Oxide sunscreen development is a particle-dispersion and film-engineering problem as much as an ingredient-percentage decision.
Confirm Nano Status, Particle Data, and Coating
Review assay, nano classification, primary-particle and aggregate information, crystalline form, approved surface treatment, supplied dispersion basis, impurities, and market-specific documentation. Do not infer “non-nano” from marketing wording alone.
Build a Stable Dispersion
ZnO particles can agglomerate, changing viscosity, uniformity, optics, and film quality. Match dispersant, emollient or aqueous phase, rheology system, mixing process, and surface treatment to the selected grade, then verify distribution through stability.
Do Not Predict SPF From Percentage Alone
SPF and broad-spectrum performance depend on particle distribution, other filters, film thickness and uniformity, vehicle, water resistance, and the finished product. Regulatory concentration limits do not replace required finished-sunscreen testing.
Separate U.S. and EU Regulatory Conditions
Current U.S. M020 permits Zinc Oxide up to 25% as a sunscreen active. The EU permits Zinc Oxide and specified Zinc Oxide (nano) UV-filter forms up to 25%, with inhalation restrictions and additional nano specifications. These are jurisdiction-specific limits, not universal formulation targets.
Technical and regulatory references checked September 11, 2026: FDA Zinc Oxide identity record, current U.S. OTC Sunscreen Monograph M020, EU Cosmetics Regulation consolidated May 18, 2026, SCCS Zinc Oxide nano opinion, and human repeated-application nano-ZnO study. These sources do not establish a universal SPF, ideal particle size, dispersion system, coating, process condition, or finished-product performance.
Start With the Exact Zinc Oxide Grade and Target Market
Discuss Your Zinc Oxide Sunscreen Project
Share your Zinc Oxide material reference, nano or non-nano status, particle and coating specification, supplied form, target SPF and broad-spectrum direction, product format, sensory and white-cast target, packaging, quantity, destination market, and claim requirements. Rixin can review the formulation route and the questions to resolve before sampling and sunscreen testing.