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GUIZOTIA ABYSSINICA SEED OIL.

Valuable CAS - / SKIN CONDITIONING - EMOLLIENT

Guizotia abyssinica seed oil, also known as Niger seed oil, is a botanical lipid rich in essential fatty acids, notably linoleic (Omega-6, 45-85%) and oleic (Omega-9, 5.44-35%) acids. This emollient oil provides significant moisturizing, anti-inflammatory, and antioxidant benefits, supporting skin barrier integrity and cellular repair. It is characterized by a favorable low irritancy and comedogenicity profile, making it suitable for diverse skin types.

Summary

skin conditioning emollient antioxidant anti-inflammatory moisturizing

Science

Mechanism of Action

Its primary mechanism involves the synergistic action of its rich fatty acid profile, notably linoleic acid (45-85%) and oleic acid (5.44-35%), which are integral for fortifying cellular membranes and restoring epidermal barrier function. Phytosterols like β-sitosterol actively modulate inflammatory responses by downregulating pro-inflammatory cytokines such as IL-1β and TNF-α. Concurrently, its tocopherol (Vitamin E) and phenolic content provides robust antioxidant defense against free radical-induced damage and promotes efficient wound healing and tissue regeneration.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Due to its high concentration of polyunsaturated fatty acids, specifically up to 85% linoleic acid, this oil is inherently susceptible to oxidation. Its oxidative stability can be enhanced by strategic blending with oils rich in saturated or monounsaturated fatty acids, such as coconut or olive-pomace oil, or through interesterification processes. While natural antioxidants like tocopherols and phenolics offer some intrinsic protection, proper processing and controlled storage conditions are crucial to mitigate degradation and prevent rancidity associated with elevated free fatty acid levels.

Synergies

  • Saturated fatty acid-rich oils (e.g., coconut oil)
  • Monounsaturated fatty acid-rich oils (e.g., olive-pomace oil)

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

While formal cosmetic safety assessments by bodies such as CIR, SCCS, or FDA are not documented for cosmetic use, its established history as an edible oil and in traditional medicinal practices generally suggests a low risk profile. Nonetheless, compliance with legally mandated cosmetic safety assessments for specific product formulations is essential.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Guizotia Abyssinica Seed Oil is a valuable ingredient, offering multi-faceted benefits for skin barrier support, hydration, and soothing inflammatory responses across all skin types.

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