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Moumoujus

MELIA AZADIRACHTA SEED OIL.

Valuable CAS 8002-65-1 / 90063-92-6 / SKIN CONDITIONING - EMOLLIENT

Melia Azadirachta Seed Oil, commonly known as Neem Oil, is a potent botanical extract rich in fatty acids and antioxidants. It deeply moisturizes and nourishes the skin while offering significant antimicrobial and anti-inflammatory benefits.

Summary

Emollient Skin conditioning Antioxidant Anti-inflammatory Antibacterial Antimicrobial Sebum regulation Pore minimizing Collagen stimulation Antifungal Wound healing

Science

Mechanism of Action

This oil works through a multifaceted approach, providing essential fatty acids for hydration and a blend of antioxidants (carotenoids, flavonoids, polyphenols) to protect against environmental damage. Its active compounds, including azadirachtin, nimbin, gedunin, and nimbidol, exhibit strong antibacterial, antimicrobial, and antifungal properties, effectively combating acne and blemishes. It also helps regulate sebum production, minimize pores, stimulate collagen synthesis for anti-aging effects, and soothe irritation by reducing inflammation.

Research

Clinical Evidence

Medium confidence
Effective range 0.5–4%
Optimal

2%

Key findings

  1. 01 Topical application at 2-4% concentration, diluted in a carrier oil, is recommended for acne treatment and general skin improvement.
  2. 02 Topical application (concentration not specified) was shown to reduce signs of wrinkles, skin thickening, redness, and water loss in UVB-exposed hairless mice, suggesting anti-aging and protective properties.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH 7 – 7
0 7 14

Stability

Maintains physical and chemical integrity in cream formulations for over 12 months at 25-30°C. Possesses a thick texture, absorbing effectively when blended with lighter carrier oils. It may solidify at low temperatures but can be liquefied gently with warm water; avoid excessive heat to preserve active compounds like azadirachtin. The strong, earthy scent can be masked with more fragrant oils.

Conflicts

  • High heat (destroys active compounds)
  • Undiluted application on large skin areas (may cause irritation, particularly for sensitive skin)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
2%
Sensitization risk Moderate

Generally considered safe for topical use, but patch testing is highly recommended, especially for individuals with sensitive skin, due to its potency. It contains potentially sensitizing compounds such as azadirachtin and nimbin, which can manifest as redness, dryness, or flaking in some users. Cosmetic ingredient suppliers typically use it in concentrations between 0.5% and 2%. It is toxic if ingested.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
No Sensitive
Irritancy Medium
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Melia Azadirachta Seed Oil is a valuable multi-functional ingredient, offering significant benefits for various skin concerns from hydration to acne, provided it is formulated within recommended concentrations and patch tested for individual compatibility.

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References

Sources