Purified water is a highly filtered, deionized form of water used as the primary solvent and carrier in many skincare and cosmetic formulations. It dissolves water-soluble ingredients and forms the base of emulsions, serums, and cleansers.
| Reported effect | How often | Notes |
|---|---|---|
Skin irritation or dryness from frequent exposure | Very rare | Water itself is inert; prolonged or excessive contact can disrupt the skin barrier in some individuals. |
Sensitivity to trace minerals or contaminants | Very rare | Purification minimizes impurities, so reactions are exceptionally uncommon. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.