Water (Aqua)

water · aqua · eau

The most common cosmetic and food ingredient. Water is a solvent that dissolves and carries other ingredients, and is inert and non-irritating on its own. It is typically listed first on an ingredient label.

high confidence

Researched July 7, 2026

Specimen 0183Water (Aqua)

Commonly found in

MoisturizersCleansersSerumsTonersMost water-based products

Sources & references

https://pubchem.ncbi.nlm.nih.gov/compound/962
https://cosmeticsinfo.org/ingredients/water/

Last researched: July 7, 2026

Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.

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