Bases
Water
It dissolves water-soluble materials, carries dispersed ingredients, and strongly influences viscosity, preservation, and sensory feel.
- INCI
- AQUA
- CAS
- 7732-18-5
- Also known as
- water · purified water
- Function
- Bases
Ingredient answer
What is Water?
Water is the primary solvent and continuous phase in many cosmetic emulsions, cleansers, gels, mists, and serums.
Formulation behavior
How it works inside a formula
Specify suitable cosmetic-grade water and treat the entire water phase as part of the formula's microbial-control and stability strategy.
Where it appears
Common product contexts
- lotions and creams
- cleansers
- gels and serums
Practical caution
What to keep in view
Account for purity, compatibility, and the preservation needs of the finished system.
Take the ingredient into a working formula.
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