Ingredient guide
Water (Aqua)
INCI name · water
In short
Water (Aqua) (also known as aqua) is a skincare solvent. It is often chosen for dry, sensitive, combination and oily skin. MIRU describes it by what is visible on skin, never as a treatment or cure.
Skin type
Dry · Sensitive · Combination · Oily
Best used
Anytime
What it is
The solvent base of most formulas. Carries the water-soluble ingredients; no active role of its own.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
Also found as
Related
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Browse product comparisonsWhere to find it
Examples, not a ranking. A product lookup can confirm identity and background; a verdict still needs the full ingredient list.
Mineral-water base, low-fragrance. A calm everyday hydrator.
A thermal water cream is the layer that stops everything below it evaporating.
Avène Micellar Lotion Cleanser and Make-up Remover
A thermal water wash for the step most routines rush. Tightness after is the signal to stop.
Product discovery is not efficacy proof. These examples are not ranked by commission.
Common questions
What does Water (Aqua) do for skin?
The solvent base of most formulas. Carries the water-soluble ingredients; no active role of its own. MIRU frames ingredients by what is visible, not by medical claims.
When should I use Water (Aqua)?
Water (Aqua) is typically used morning or evening. Introduce any new active on its own first and add one product at a time so you can see how your skin responds.
Is Water (Aqua) suitable for my skin type?
Water (Aqua) is often chosen for dry, sensitive, combination and oily skin. It is generally considered well tolerated. If your skin is reactive, patch-test first and watch for any irritation.
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Personal guidance, not medical advice.