Snapshot
- Overview
- The main liquid base that dissolves ingredients and carries actives.
- Category
- Hydration, Cleansing
- Type
- Solvent
By the numbers
Water (Aqua) in our database
Calculated from the 1,109 products we track · updated November 2026.
928
products contain it
About 1 in 1 products we track. One of the most common ingredients on the site.
Top 5
spot on the label
In the first five ingredients in 88% of products. Labels list ingredients from most to least, so it's usually a main ingredient.
$2–$198
price range
It shows up at every price point. You don't need to pay more to get it.
Most common in
Often paired with
Our take
Is Water (Aqua) a Good Ingredient?
It rates Great as a universally compatible, stable solvent and vehicle that carries actives into a formula with a very low irritation profile of its own.
What it does
Skin Benefits
Allows products to feel lightweight and spread evenly for comfortable application, and supports rinsing and removal of impurities in cleansing systems.
Where you'll find it
Uses in Skincare & Cosmetics
Ubiquitous in toners, essences, serums, gels, shampoos, and facial cleansers as the main base for the formula.
Before you use it
Safety
Typically safe for all skin types; purified grades minimize contaminants. Irritation is uncommon unless sensitivity to other formula components is present.
Products with Water (Aqua)
