Zinc Oxide (nano)
Zinc oxide - nano form (particle size typically 20-200 nm)
EU EC 1223/2009 Article 16 nano notification required; SCCS 2021 opinion confirmed safety for topical application at up to 25%; nano ZnO shows slightly higher skin penetration than nano TiO2 but still negligible in intact skin; spray restriction applies in EU.
Function & Common Use
UV Filter; Sunscreen; Skin protectant (nano form)
UV Filters
Mineral sunscreens, transparent/sheer sunscreens, baby sunscreens, SPF foundations
Synthetic (Mineral-derived, nano-engineered)
Concentration Limits
25%
25% (nano form; uncoated or surface-treated; for skin application only per SCCS opinion)
25% (combined ZnO total)
25%
Format restriction: EU: nano ZnO prohibited in spray/aerosol applications; not for use on damaged skin; oral exposure to be avoided
Baby restriction: No
Pregnancy: No
IFRA: No
Frequently Asked Questions
Is Zinc Oxide (nano) safe to use in skincare?
Zinc Oxide (nano) has a Medium concern rating. EU EC 1223/2009 Article 16 nano notification required; SCCS 2021 opinion confirmed safety for topical application at up to 25%; nano ZnO shows slightly higher skin penetration than nano TiO2 but still negligible in intact skin; spray restriction applies in EU.
Is Zinc Oxide (nano) allowed in India?
Zinc Oxide (nano) is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is 25%.
What is Zinc Oxide (nano) used for in cosmetics?
Zinc Oxide (nano) functions as: UV Filter; Sunscreen; Skin protectant (nano form). It is commonly found in: Mineral sunscreens, transparent/sheer sunscreens, baby sunscreens, SPF foundations.
Can Zinc Oxide (nano) cause an allergic reaction?
Yes. Zinc Oxide (nano) has an allergen flag (No). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.
Is Zinc Oxide (nano) safe for babies?
Zinc Oxide (nano) has baby/child restrictions: No. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.
Regulatory Status
EU Annex: Annex VI (UV filter) - separate nano entry
Identifiers
Want to check if your product contains Zinc Oxide (nano)?
Analyse a Product