Citrus Aurantium Amara Flower Oil: 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 The Personal Care Products Council's (PCPC) INCI database. Our ingredient analyses are based exclusively on PCPC's technical data to ensure accuracy and reliability.

What Is Citrus Aurantium Amara Flower Oil?

Citrus Aurantium Amara Flower Oil, often called neroli oil, is an aromatic oil extracted from the white blossoms of the bitter orange tree (Citrus aurantium var. amara). The oil is packed with naturally occurring compounds such as linalool, limonene, nerolidol, geraniol and various flavonoids that give it a distinct floral citrus scent and mild soothing properties. First distilled in the late 1600s for Italian royalty, the ingredient quickly became prized in perfumery and personal care for its fresh yet calming aroma. Today most commercial batches are produced by gentle steam distillation of freshly picked flowers, though some suppliers use solvent extraction to capture a fuller scent profile. After distillation the oil is filtered and quality tested before being blended into finished formulas. You will spot Citrus Aurantium Amara Flower Oil in fine fragrances, facial serums, toners, anti aging creams, moisturizers, sheet masks, body lotions, bath oils and even shine-boosting hair products where a light floral note is desired.

Citrus Aurantium Amara Flower Oil’s Cosmetic Benefits/Uses

In skin and hair care this flower oil serves a couple of valuable roles:

  • Fragrance: Adds a fresh floral-citrus scent that can mask less pleasant base ingredients and elevate the overall sensory experience of a product, helping consumers feel pampered and more likely to keep up with their routine
  • Skin Conditioning: Works as a lightweight emollient that helps soften and smooth the skin surface, supporting a supple feel without leaving a greasy residue

Who Can Use Citrus Aurantium Amara Flower Oil

This gentle floral oil suits most skin types including normal, dry, combination and mature skin because it sinks in quickly and provides light surface softness. Oily or blemish-prone complexions can usually tolerate it too since the oil is not considered highly comedogenic, though anyone with fragrance sensitivity should test cautiously. The ingredient is plant derived and contains no animal substances so it aligns with vegan and vegetarian lifestyles. Limited research exists on the topical use of essential oils during pregnancy or while breastfeeding; concentrations found in finished cosmetics are typically low yet this is not medical advice, so expecting or nursing mothers should show any prospective product to their doctor before applying it. Unlike some cold-pressed citrus peel oils, neroli oil from the flower contains very low levels of photosensitising compounds, meaning it is not known to increase sun sensitivity when properly refined. There are no other major group restrictions currently noted for this ingredient.

Potential Side Effects/Adverse Reactions

Responses to Citrus Aurantium Amara Flower Oil vary between individuals. The points below describe potential side effects yet most people will not encounter them when the oil is used at appropriate cosmetic levels.

  • Allergic contact dermatitis presenting as itching, redness or small bumps
  • General skin irritation such as stinging or burning on very sensitive skin
  • Sensitisation over time that may lower the skin’s tolerance to fragranced products
  • Headache or mild nausea triggered by the strong scent in those prone to fragrance sensitivity
  • Rare phototoxic reaction if a product is accidentally contaminated with bitter orange peel oil rich in furocoumarins
  • Eye irritation if the oil or a product containing it gets too close to the ocular area

If any of these reactions occur discontinue use and consult a healthcare professional or dermatologist.

Comedogenic Rating

Rating: 1/5 – Citrus Aurantium Amara Flower Oil is a volatile essential oil that evaporates quickly and leaves little to no oily residue, so it is unlikely to clog pores. It does not contain the heavier fatty acids or waxes that typically raise comedogenic potential. Because of this lightweight profile it is generally acceptable for people who struggle with acne or frequent breakouts, provided the rest of the formula is also low in pore-clogging ingredients. As with most fragrant oils the chance of irritation can be higher than the chance of congestion.

Summary

Citrus Aurantium Amara Flower Oil primarily works as a fragrance and a mild skin-conditioning agent. Its mix of naturally occurring aroma compounds gives products a fresh floral citrus note while its thin emollient nature helps smooth skin without heaviness. The oil enjoys steady popularity in premium skincare and fine fragrance despite its higher cost because a small amount delivers a noticeable sensorial upgrade. Overall it is considered safe at the low percentages used in cosmetics but individual sensitivity to essential oils varies, so patch testing a new product is always a smart precaution.

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