Ingredient Intelligence
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Water (Aqua)

Aqueous vehicle — identical to 'water' in formulation function. INCI listing varies between brands but the ingredient is chemically identical.

Benefits
  • Universal solvent
  • Primary aqueous vehicle
  • Transient surface hydration
  • Required for emulsification
  • Electrolyte and buffer carrier
Example uses
  • Serums
  • Emulsions
  • Toners
  • Gels
  • All aqueous formulations
Mechanism of action
Same as water — aqueous solvent and vehicle function.
Clinical evidence · High

See water. Complete safety characterisation.

Effective concentration range
q.s.
Formulation notes
See 'water' — functionally identical. INCI name variation only.
Watchouts
Functionally identical to 'water' entry.
Market positioning
See water. Functionally identical — INCI name variant only.
Comedogenicity

0 / 5

Sensitisation risk

Low

INCI & aliases

Aqua

water · aqua · purified water · deionized water

Clean beauty perception

Identical to water — universally accepted.

Graph relationships
Timeline