Tonic

Camellia Sinensis Leaf Water

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INCI: CAMELLIA SINENSIS LEAF WATER

Reviewed by Daisy · Last updated 14 Aug 2026

A plant-derived water with antioxidant properties, commonly used in skincare formulations

At a glance

Fragrance

Best For Skin Types

All, Sensitive

Addresses

Oxidative stress, Hydration

Effective Concentrations

1–95%

Usage Frequency

Daily

What Is Camellia Sinensis Leaf Water?

Camellia Sinensis Leaf Water is an aqueous extract derived from the leaves of the tea plant (Camellia sinensis). It is produced through extraction methods that capture water-soluble compounds from the leaves, including polyphenols and flavonoids — the same bioactive molecules that give green tea its characteristic properties.

In skincare formulations, this ingredient typically functions as a tonic or hydrating base. It can appear in concentrations ranging from 1% to 95% depending on whether it serves as a minor functional component or the primary vehicle for a product.

How It Works

The bioactive compounds in Camellia Sinensis Leaf Water, primarily polyphenols and flavonoids, work through antioxidant mechanisms. These molecules can neutralise free radicals — unstable atoms that contribute to skin ageing and inflammation — by donating electrons and rendering them inert.

As a water-based ingredient, it also serves a practical function as a hydrating vehicle in formulations, helping to deliver other active ingredients whilst contributing moisture to the skin barrier.

Clinical Evidence & References

Research suggests that green tea extracts possess antioxidant and potential anti-inflammatory properties in laboratory settings. Some studies have examined green tea in combination with other ingredients — for example, exploring its role in enhancing sun protection when used alongside synthetic sunscreens — though these applications are more specialised.

It is important to note that most evidence comes from extract studies rather than specifically from Camellia Sinensis Leaf Water as it appears in skincare products. The concentration and extraction method can significantly affect bioactivity, and clinical evidence for skin-specific benefits at typical product concentrations remains limited.

How to Use

This ingredient is generally incorporated into toners, essences, and hydrating serums. As it is commonly used as a base or secondary ingredient rather than a star active, it works well alongside other actives without competing for efficacy. It can be used daily as part of a regular skincare routine, and is typically gentle enough for layering with other treatments.

Safety & Precautions

Camellia Sinensis Leaf Water is generally well-tolerated across most skin types. Those with sensitivity to fragrance or botanical extracts should patch-test first, as some formulations may contain additional botanicals or natural scent compounds.

How widely it's used

0.4%
of skincare products contain this ingredient — placing it in the top 25% of most-used ingredients.
Most common in: Cleansers Treatments Moisturisers
Typical concentration range: 1% to 95%

Regulatory information

Standardised cosmetic-ingredient identifiers used by regulators.

Show identifiers
INCI Name
CAMELLIA SINENSIS LEAF WATER
EC Number
283-519-7
Function
Masking, Perfuming, Tonic

Frequently Asked Questions

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Part of a family

Camellia Sinensis Leaf Water is a variant of Camellia Sinensis Leaf Extract, the form you will most often see on an ingredients list.

Derived from buds and leaves of green tea Has antioxidant properties

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