Humectant

Citrus Sinensis Flower Water

INCI: CITRUS SINENSIS FLOWER WATER

Reviewed by Emma · Last updated 2 Jun 2026

A gentle floral hydrosol that hydrates and conditions the skin

Best For Skin Types

All, Dry, Combination, Sensitive

Addresses

Dryness, Hydration, Sensitivity

Usage Frequency

Daily

What Is Citrus Sinensis Flower Water?

Citrus sinensis flower water is a byproduct of steam distillation of sweet orange blossoms. It contains water-soluble compounds including trace botanicals and volatile aromatic constituents from the flowers. Unlike essential oils, it is substantially diluted, making it a milder botanical ingredient commonly used in skincare formulations.

In cosmetic products, it functions primarily as a humectant and skin conditioning agent, helping to draw moisture into the skin and support the skin's natural hydration capacity.

How It Works

As a hydrosol, citrus sinensis flower water works primarily through humectant action—the water-soluble components draw moisture from the air and deeper skin layers toward the epidermis, supporting skin hydration. This mechanism is most effective when used in products with occlusive or other hydrating ingredients that help seal moisture into the skin.

The trace botanical compounds present may also provide mild conditioning and antioxidant effects, though these are secondary to the hydrating function and are present in much lower concentrations than in essential oils or concentrated extracts.

Clinical Evidence & References

Published clinical research specifically on citrus sinensis flower water in skincare is limited. Much of what we know comes from the general understanding of hydrosols as humectants and the established safety profile of sweet orange botanicals in cosmetics.

Some supporting evidence exists for citrus-derived ingredients and their mild antioxidant properties in skin applications, but robust, peer-reviewed studies evaluating this specific ingredient's efficacy are sparse. It is best viewed as a gentle supporting ingredient rather than a primary active compound.

How to Use

Citrus sinensis flower water is typically found in formulations as a base or supporting hydrating ingredient rather than a standalone product. It works well in toners, hydrating mists, and lightweight serums. For optimal hydration benefit, apply to damp skin and layer with a moisturiser or hydrating serum to seal in moisture. It can be used daily as part of your regular skincare routine.

Safety & Precautions

Generally well-tolerated in cosmetic formulations. As with all botanical ingredients, those with citrus sensitivity or fragrance sensitivity should patch test first, though hydrosols are substantially milder than essential oils.

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