Cestrum Nocturnum Branch/Flower/Leaf Water: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 24, 2025
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All information on this page is verified using publicly available nomenclature standards and reference materials from The Personal Care Products Council (PCPC) and the European Commission's CosIng database. Our analyses are based on technical data from these sources to ensure accuracy and reliability.

What Is Cestrum Nocturnum Branch/Flower/Leaf Water?

Cestrum Nocturnum Branch/Flower/Leaf Water is a floral water obtained from night-blooming jasmine, a shrub native to the Caribbean and widely grown in tropical and subtropical gardens for its strong evening scent. To create this ingredient fresh branches, flowers and leaves are placed in a still where steam passes through the plant matter. The steam lifts the volatile aromatic molecules, then condenses back into liquid. The essential oil floats on top and is separated, leaving the fragrant water below. This water carries a gentle version of the plant’s aroma along with trace amounts of naturally occurring compounds such as terpenes, flavonoids and small amounts of plant acids.

Floral waters like this have been part of traditional perfumery and skin care for centuries because they provide scent and a mild soothing feel without the intensity of pure essential oils. Modern formulators favor Cestrum Nocturnum Branch/Flower/Leaf Water when they want a botanical touch that feels light on the skin and smells softly exotic. You will most often see it in face mists, toners, hydrating creams, antioxidant serums, sheet masks, after-sun lotions, deodorant sprays and even gentle hair care products where a fresh floral note is desired.

Cestrum Nocturnum Branch/Flower/Leaf Water’s Cosmetic Benefits/Uses

This ingredient brings two key advantages to personal care formulas

  • Fragrance: The water carries a delicate, naturally sweet aroma that can round out or replace synthetic scents. It gives products a pleasant sensory experience without the heaviness of concentrated perfume oils.
  • Skin Conditioning: Floral waters contain minute levels of plant-derived compounds that help soften and refresh the skin surface. They can add a light layer of hydration and soothing comfort, making the overall formula feel more pampering.

Who Can Use Cestrum Nocturnum Branch/Flower/Leaf Water

This floral water is lightweight and generally compatible with normal, dry, oily and combination skin thanks to its low concentration of actives and non-greasy texture. Even sensitive skin usually tolerates it well though anyone prone to fragrance allergies should proceed cautiously because the ingredient does carry natural scent molecules.

Because it is obtained entirely from plant material and does not rely on any animal-derived substances during production, Cestrum Nocturnum Branch/Flower/Leaf Water is suitable for vegans and vegetarians. Ethical formulators also tend to choose suppliers that certify the water as cruelty free.

No specific contraindications have been reported for pregnant or breastfeeding women. The distillate is used at low levels in finished products and lacks compounds known to penetrate deeply or disrupt hormones. Still, research on night-blooming jasmine in pregnancy is limited, so this information is not medical advice and anyone expecting or nursing should run their skincare choices past a qualified health professional.

The ingredient is not known to cause photosensitivity and does not contain the phototoxic furocoumarins found in some citrus oils, so daytime use is considered safe without extra sun precautions beyond a daily SPF.

Potential Side Effects/Adverse Reactions

Responses to topically applied Cestrum Nocturnum Branch/Flower/Leaf Water vary from person to person. The points below outline potential but uncommon side effects; most users will not encounter these issues when the ingredient is properly incorporated in a well-formulated product.

  • Skin irritation such as mild stinging or redness, especially on very reactive skin
  • Allergic contact dermatitis in individuals sensitive to jasmine or other fragrant botanicals
  • Eye irritation if the product accidentally gets into the eyes
  • Increased sensitivity when layered with multiple fragranced products that collectively raise total fragrance load

If discomfort or any persistent reaction occurs stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 0 out of 5. Cestrum Nocturnum Branch/Flower/Leaf Water is more than 99% water with only trace aromatic compounds so it has no oily or waxy constituents that could block pores. Its light watery texture evaporates quickly and leaves virtually no residue, making it unlikely to contribute to blackheads or breakouts. In short, it is considered non-comedogenic and generally safe for acne-prone skin. The only caveat is that fragrance sensitivity, not pore clogging, might be the main issue for reactive users.

Summary

Cestrum Nocturnum Branch/Flower/Leaf Water serves two key roles in cosmetics: it provides a gentle natural fragrance and a mild skin conditioning effect. The steam distillation process captures low levels of aromatic terpenes, flavonoids and plant acids that lend a soft jasmine-like scent while lightly hydrating and soothing the skin. Although not as widely used as rose or lavender waters, it enjoys a modest following among niche and botanical brands that want an exotic nighttime floral note without heavy perfume oils.

The ingredient is regarded as safe for most skin types when included at typical concentrations found in toners, mists and creams. Adverse reactions are rare and usually limited to individuals who are sensitive to natural fragrances. As with any new skincare product, doing a quick patch test first is a sensible precaution.

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