Ingredient Directory
Low ConcernVegan

Aqua (Heavy Water)

Deuterium oxide

Safety Notes

Specialty ingredient; claimed anti-aging mechanism (mitochondrial function); limited consumer cosmetics use; very expensive; safety profile same as water; minimal evidence base for cosmetic claims

Function & Common Use

Function

Solvent (specialty)

Category

Solvent / Carrier

Common In

Premium anti-aging products (novelty ingredient)

Origin

Mineral (synthetic)

Concentration Limits

India (CDSCO)

No limit

EU Cosmetics Reg.

No limit

US FDA (21 CFR)

No specific 21 CFR cosmetic limit identified in source checked

Korea (MFDS)

No specific MFDS limit identified in source checked; verify if ingredient is used in a Korean functional cosmetic category

Pregnancy: No specific restriction identified in source checked; standard cosmetic use

Frequently Asked Questions

Is Aqua (Heavy Water) safe to use in skincare?

Aqua (Heavy Water) has a Low concern rating from The Clean Sheet. Specialty ingredient; claimed anti-aging mechanism (mitochondrial function); limited consumer cosmetics use; very expensive; safety profile same as water; minimal evidence base for cosmetic claims

Is Aqua (Heavy Water) allowed in India?

Aqua (Heavy Water) is currently classified as "Permitted" under Indian cosmetics regulations. No concentration limit is specified for India.

What is Aqua (Heavy Water) used for in cosmetics?

Aqua (Heavy Water) functions as: Solvent (specialty). It is commonly found in: Premium anti-aging products (novelty ingredient).

TCS Assessment
Low Concern
Data Confidence
High
Based on peer-reviewed safety data, regulatory status, and expert review by The Clean Sheet panel.

Regulatory Status

India (CDSCO)
Permitted
EU
Permitted
US FDA
Permitted
Korea (MFDS)
Permitted
Australia (TGA)
Cosmetic ingredient; standard TGA cosmetic framework applies; no therapeutic goods listing required unless therapeutic claims are made
Canada (NHPID)
Not specifically listed as restricted cosmetic ingredient in NHPID source checked; standard Health Canada cosmetic notification applies

Identifiers

CAS7789-20-0
ECN/A

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