Citrus Limon Peel Water
INCI: CITRUS LIMON PEEL WATER
Reviewed by Emma · Last updated 14 Aug 2026
A citrus-derived water that may support skin hydration and reduce inflammatory responses
Best For Skin Types
All, Sensitive, Combination
Addresses
Effective Concentrations
2%
Usage Frequency
Daily
What Is Citrus Limon Peel Water?
Citrus Limon Peel Water is an aqueous extract derived from lemon peel, containing water-soluble compounds including d-limonene and other polyphenols naturally present in citrus fruit. It functions as a skin conditioning agent in formulations, typically used at low concentrations.
The ingredient works by delivering these bioactive compounds to the skin's surface, where they may interact with cellular processes involved in hydration, inflammation and skin barrier function.
How It Works
The active compounds in citrus peel water, particularly d-limonene, interact with cellular signalling pathways that regulate inflammation and water transport. Research suggests d-limonene can inhibit inflammatory mediators by modulating NF-kappaB and STAT proteins—molecular switches that control inflammatory responses in skin cells.
Additionally, citrus peel extracts may influence aquaporin-3 (AQP3) expression, a water channel protein critical for maintaining cellular hydration and supporting skin barrier function. This dual mechanism addresses both inflammatory skin concerns and dehydration at a cellular level.
Clinical Evidence & References
In-vitro studies using human keratinocytes (skin cells) show that citrus peel extracts increase aquaporin-3 expression and reduce inflammatory cytokine production. Animal studies using atopic dermatitis models suggest that d-limonene, a key component of citrus peel, can reduce itching and inflammatory markers.
However, most research involves concentrated extracts or isolated compounds rather than peel water formulations at cosmetic concentrations. Evidence that citrus peel water at 2% concentration produces measurable skin benefits in humans remains limited. Further clinical studies would help establish efficacy in real-world skincare use.
Published Research
How to Use
Citrus Limon Peel Water is typically used as a base ingredient or humectant in serums, toners and hydrating essences rather than as a standalone treatment. It works well layered with other hydrating or barrier-supporting ingredients. No specific usage frequency restrictions exist, though daily use is standard for hydrating products containing this ingredient.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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