Water

INCI: WATER (AQUA IN EU LABELING)

CAS Number
7732-18-5
Function
Solvent, vehicle/carrier
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; not regulated as an active ingredient; USP-grade water required for drug products

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Must be purified (distilled or demineralized) and germ-free for cosmetic production; microbial contamination is the primary risk

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Concern Level: None

Regulatory Flags

eu_children_restricted epa_safer_alternative ifra_fragrance

Frequently Asked Questions

Is Water safe in cosmetics?

Must be purified (distilled or demineralized) and germ-free for cosmetic production; microbial contamination is the primary risk The EU classifies Water as "permitted". Safety rating: EXCELLENT.

Is Water allowed in the EU?

Water EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Water do in cosmetics?

Water functions as: Solvent, vehicle/carrier. It is classified as a cosmetic ingredient in our database. CAS number: 7732-18-5.

What is the Margin of Safety for Water?

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.

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