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CITRUS AURANTIUM BERGAMIA LEAF OIL.

Questionable CAS 89957-91-5 / ASTRINGENT

CITRUS AURANTIUM BERGAMIA LEAF OIL, commonly known as Bergamot leaf oil, is an essential oil recognized for its purifying, astringent, and balancing properties. It contributes to skin health by managing sebum and soothing irritation, though its application requires careful consideration of its safety profile.

antiseptic astringent sebum regulation anti-inflammatory antibacterial antifungal masking perfuming

Science

Bergamot leaf oil operates through multiple mechanisms to benefit the skin. It exhibits antiseptic, antibacterial, and antifungal properties, promoting skin cleanliness. Functioning as a natural astringent, it aids in pore cleansing and tightening. The oil contributes to sebum regulation, potentially mitigating acne risk. Key components such as Linalool offer anti-inflammatory benefits, while Linalyl Acetate assists in balancing natural skin oils, imparting softness and elasticity to the skin.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

This ingredient is stable when stored below 15°C. High temperatures, direct sunlight, and exposure to strong acids, alkalis, or oxidizing agents should be strictly avoided to maintain stability and prevent degradation.

Conflicts

  • concentrated acids
  • alkalis
  • oxidizing agents
  • high temperatures
  • sunlight (if not furocoumarin-free)

Safety

CIR Status
Insufficient data
Sensitization risk High

The Cosmetic Ingredient Review (CIR) Expert Panel has determined that there is insufficient data to conclude on the safety of Citrus Aurantium Bergamia (Bergamot) Leaf Oil in cosmetic applications. Traditional bergamot oils, including those derived from peel and fruit, typically contain furocoumarins (e.g., bergapten), which are potent photosensitizers. These compounds significantly increase the skin's sensitivity to UV light, potentially leading to phototoxic reactions and are associated with an elevated risk of skin cancer. While a specific maximum concentration for Bergamot Leaf Oil is not established, the CIR previously set a tentative safety limit for other citrus-derived peel oils at 0.0015% (15 ppm) for 5-methoxysporalen (5-MOP) in finished products, provided they are formulated to be non-sensitizing and non-irritating. To mitigate these significant phototoxic risks, the use of furocoumarin-free versions of bergamot oil is strongly recommended.


Your Skin

Yes Normal
Yes Dry
Yes Oily
No Sensitive
Irritancy Moderate
Comedogenicity Low

Our Assessment

Questionable

While offering beneficial antiseptic, astringent, and sebum-regulating properties for various skin types, the significant phototoxicity risk due to furocoumarins in non-furocoumarin-free versions renders this ingredient questionable for widespread cosmetic use without specific safety assurances.


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