# CALCIUM OXIDE

URL: https://app.greenveil.ai/ingredients/ingredient_dtxsid_dtxsid5029631
Categories: beauty, cleaning, food, industrial, pharma
Functions: Buffering, Yeast food, acidity regulator, flour treatment agent, pH adjuster, Stabiliser
Identifier: DTXSID5029631

> CALCIUM OXIDE: Used in cosmetics as a pH buffer. Greenveil chemical-concern score: 40/100 — Moderate concern based on regulatory listings.. Compiled from 8 published data sources.

## Safety assessment

- Chemical concern score: 40/100 — Moderate concern based on regulatory listings.
- Confidence in this assessment: High
- Is it a concern? Moderate concern: no hazard classifications on record. It is listed for cosmetic use in the EU.
- Rationale: EPA CPDat observed this chemical in 1594 composition records across product categories including Construction and building materials, Furniture and furnishings, Raw materials.

## Regulatory status

- EU: Active — Listed in CosIng inventory for cosmetic use.
- GLOBAL: NOT LIMITED — JECFA evaluation lists ADI NOT LIMITED. Functional class: yeast food, acidity regulator, flour treatment agent.
- GLOBAL: Evaluated — JECFA evaluation record.
- US: commercial use observed — EPA CPDat observed this chemical in 1594 composition records across product categories including Construction and building materials, Furniture and furnishings, Raw materials. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Stabilizing agent, aggregate.
- US: inactive ingredient database — Route: ORAL; Dosage form: SOLUTION, CONCENTRATE; Potency: 0.1 ml/1ml
- US: inactive ingredient database — Route: ORAL; Dosage form: CAPSULE; Potency: NA
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

## Expert safety opinions

- SCCS (EU Scientific Committee on Consumer Safety): no opinion on file.
- CIR (Cosmetic Ingredient Review (US expert panel)): no opinion on file.
- JECFA (Joint FAO/WHO Expert Committee on Food Additives): JECFA evaluation lists ADI NOT LIMITED. Functional class: yeast food, acidity regulator, flour treatment agent. — https://apps.who.int/food-additives-contaminants-jecfa-database/Home/Chemical/94; JECFA evaluation record. — https://apps.who.int/food-additives-contaminants-jecfa-database/Home/Chemical/3687.

## Data sources

- CosIng (updated 2026-09-23): https://ec.europa.eu/growth/tools-databases/cosing/details/74908
- EPA Chemical and Products Database (updated march 23, 2017): https://living-future.org/declare-products/1600-wall-system-1-curtain-wall-and-system-2-curtain-wall/
- EPA DSSTox Identifiers (updated 2025-12-29): https://epa.figshare.com/articles/dataset/Chemistry_Dashboard_Data_DSSTox_Identifiers_Mapped_to_CAS_Numbers_and_Names/5588566
- FDA Inactive Ingredient Database (updated 2026-01-09): https://www.fda.gov/drugs/drug-approvals-and-databases/inactive-ingredients-database-download
- FDA GSRS UNII (updated 2026-02-26): https://precision.fda.gov/uniisearch/
- WHO JECFA Database (updated 2026-10-04): https://apps.who.int/food-additives-contaminants-jecfa-database/Home/Chemical/3687
- openFDA Substance (updated 2026-05-24): https://api.fda.gov/other/substance.json?search=unii:C7X2M0VVNH
- PubChem Live Enrichment (updated 2026-05-17): https://pubchem.ncbi.nlm.nih.gov/compound/6850728

_Assessed by Greenveil._