Excellent Cosmetic Ingredient NOAEL Data GHS Classified

Zea Mays (Corn) Starch

INCI: ZEA MAYS STARCH (ALSO LISTED AS ZEA MAYS (CORN) STARCH)

CAS Number

9005-25-8

Function

Absorbent, binding agent, viscosity controlling, skin conditioning

Safety Rating

EXCELLENT

Regulatory Status

🇪🇺 EU Status permitted

🇺🇸 US Status permitted

US Notes GRAS for food (21 CFR 182.70); CIR reviewed as safe; permitted in cosmetics without restrictions

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)

not established

Dermal Absorption

negligible

Sensitization

none

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

2 study endpoints found for Zea Mays (Corn) Starch. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint	Value	Route	Species	Study Type	Source
NOAEL	77000 mg/kg bw/day	oral	rat	Short Term Toxicity	COSMOS_DB
dose_tested	77000 mg/kg bw/day	oral	rat	Short Term Toxicity	COSMOS_DB

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Long-term Exposure Effects

Repeated or prolonged contact with skin may cause dermatitis.

Expert Verdict

⚠️

Concern Level: Low

Regulatory Flags

potential-allergen eu_children_restricted epa_safer_alternative ifra_fragrance fda_food_additive

Frequently Asked Questions

Is Zea Mays (Corn) Starch safe in cosmetics?

GMO status (most US corn is GMO) — relevant for COSMOS/ECOCERT certification where non-GMO documentation required; possible trace protein allergens in poorly purified grades; ensure pharmaceutical/cosmetic grade for GMP compliance The EU classifies Zea Mays (Corn) Starch as "permitted". Safety rating: EXCELLENT. 2 toxicological study endpoint(s) are available in our database.

Is Zea Mays (Corn) Starch allowed in the EU?

Zea Mays (Corn) Starch EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Zea Mays (Corn) Starch do in cosmetics?

Zea Mays (Corn) Starch functions as: Absorbent, binding agent, viscosity controlling, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 9005-25-8.

What is the Margin of Safety for Zea Mays (Corn) Starch?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

What is the NOAEL for Zea Mays (Corn) Starch?

The NOAEL (No Observed Adverse Effect Level) for Zea Mays (Corn) Starch is 77000 mg/kg bw/day based on a Short Term Toxicity study via oral route in rat. A total of 2 study endpoints are available. Source: COSMOS_DB.

Compliance Tools

Check Zea Mays (Corn) Starch compliance across multiple jurisdictions:

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Ingredient Decoder

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82 Allergen Checker

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Substance Compliance

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MoS Calculator

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Heavy Metal Limits

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