Humectant

Citrus Junos Fruit Juice

INCI: CITRUS JUNOS FRUIT JUICE

Reviewed by Rosie · Last updated 14 Aug 2026

A citrus-derived humectant that helps skin retain moisture

Best For Skin Types

All, Dry, Combination

Addresses

Dryness, Hydration, Dull skin

Usage Frequency

Daily

What Is Citrus Junos Fruit Juice?

Citrus Junos Fruit Juice is derived from Yuzu, a Japanese citrus fruit, and functions primarily as a humectant in skincare formulations. Humectants are ingredients that draw water from the environment and deeper skin layers to the outer layers of the epidermis, helping to improve hydration and skin feel.

Beyond its humectant properties, this ingredient contains naturally occurring compounds including vitamin C, amino acids, and organic acids that are characteristic of citrus fruits. These components may contribute to the overall profile of the ingredient, though the primary cosmetic function remains moisture-binding.

How It Works

As a humectant, Citrus Junos Fruit Juice contains hygroscopic compounds that have an affinity for water molecules. When applied topically, these compounds draw moisture from the air and from deeper layers of the skin towards the stratum corneum, the outermost layer. This process enhances skin hydration and can improve the appearance of dryness and skin texture.

The ingredient's natural acids and water-soluble constituents also contribute to skin conditioning benefits, though the extent of these effects at typical cosmetic use levels remains modest.

Clinical Evidence & References

Research specifically dedicated to Citrus Junos Fruit Juice as a standalone skincare ingredient is limited. Most supporting evidence comes from broader studies on citrus extracts and known humectant mechanisms. The humectant function itself is well-established in dermatology and cosmetic science, and ingredients of this class are widely recognised as safe and effective for improving skin hydration.

While the natural constituents of Yuzu juice (such as vitamin C and amino acids) have individual benefits documented in the literature, their concentration and bioavailability in a cosmetic formulation are variables that affect real-world efficacy. Claims beyond basic hydration support would require further investigation.

How to Use

Citrus Junos Fruit Juice is typically incorporated into lightweight serums, essences, toners, and hydrating creams. For best results, apply to damp skin before richer moisturisers to allow the humectant to work effectively. It pairs well with occlusive ingredients (such as oils or butters) which can help seal in the moisture it draws to the skin.

Safety & Precautions

Generally well-tolerated, though as a citrus-derived ingredient it may cause irritation or photosensitivity in sensitive individuals or when used in high concentrations. Patch test before widespread use, particularly if you have reactive or compromised skin.

Frequently Asked Questions

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