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CITRUS SINENSIS FLOWER WATER.

Valuable / HUMECTANT, SKIN CONDITIONING

Citrus Sinensis Flower Water, also known as orange blossom or neroli water, is a gentle aqueous distillate derived from the flowers of the sweet orange tree. It functions as a multi-beneficial skin conditioning agent, offering soothing hydration and antioxidant protection suitable for all skin types.

Summary

skin conditioning fragrance toning soothing antioxidant hydration mild antimicrobial barrier support

Science

Mechanism of Action

This ingredient operates via several beneficial pathways: it acts as a natural toner to help harmonize oil production and delivers non-greasy hydration. Its anti-inflammatory properties work to calm irritation and reduce skin redness, while mild antimicrobial effects may assist in managing blemishes. It contributes to a protective barrier on the skin, aiding in the prevention of transepidermal moisture loss. Furthermore, the presence of vitamin C and flavonoids provides antioxidant activity, helping to neutralize free radicals and mitigate premature skin aging.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

As a hydrosol, Citrus Sinensis Flower Water is an aqueous solution and not typically considered for 'dusting' concerns, which are usually associated with powdered active ingredients.

The Formula

Formulation

Solubility
Water
Optimal pH 4.8 – 5.9
0 7 14

Stability

As an aqueous product of steam distillation (hydrosol), this ingredient demonstrates optimal stability within a pH range of 4.8 to 5.9. Formulators should maintain this pH window to ensure its integrity and efficacy.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Citrus flower- and leaf-derived ingredients, including Citrus Sinensis Flower Water, safe for use in cosmetics when formulated to be non-irritating and non-sensitizing. However, formulators are advised to monitor for potentially hazardous levels of constituents such as hydroperoxides of limonene and linalool. The U.S. FDA recognizes distillates from Citrus sinensis flowers as Generally Recognized As Safe (GRAS) for food use. While no specific maximum concentration for Citrus Sinensis Flower Water is provided, a related ingredient, Citrus Aurantium Amara (Bitter Orange) Flower Water, has been reported for use up to 4% in leave-on skincare products.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Citrus Sinensis Flower Water is a valuable, versatile ingredient offering soothing, hydrating, and antioxidant benefits suitable for a wide range of skin types, though specific clinical efficacy concentrations are not yet established.

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