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COIX LACRYMA-JOBI MA-YUEN SEED OIL.

Valuable CAS - / SKIN CONDITIONING

An ancient East Asian botanical oil, commonly known as Job's Tears, that serves as a multi-functional lipid source for skin barrier reinforcement and tone correction. This nutrient-dense oil bridges the gap between traditional herbalism and modern dermatological science, offering a unique profile of brightening coixenolides and essential fatty acids.

Antioxidant Skin-Brightening Barrier-Repair Anti-Inflammatory Emollient

Science

This oil functions via a triple-action pathway: it reinforces the stratum corneum with ceramides and essential fatty acids (linoleic and palmitic) to prevent transepidermal water loss; it utilizes a potent antioxidant complex of ferulic and caffeic acids to neutralize oxidative stress; and it modulates melanin production by inhibiting UV-induced pigment pathways, leading to a more uniform complexion.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Commonly dusted
Min. effective
1%
Red flag below
0.1%

Due to its premium nature and rich nutrient profile, this ingredient is often 'dusted' at concentrations below 0.1% for marketing purposes. While it provides emolliency at low levels, therapeutic effects on pigmentation and barrier repair typically require inclusion as a primary botanical oil.


The Formula

Solubility
Oil
Optimal pH 5.5 – 6.5
0 7 14

Stability

Maintains best stability within a slightly acidic range of 5.5-6.5; should be protected from extreme oxidation given its unsaturated fatty acid content.

Synergies

  • Vitamin E
  • Niacinamide
  • Ceramides

Conflicts

  • highly concentrated acids

Safety

CIR Status
Not reviewed
Pregnancy
Safe
Sensitization risk Low

EWG identifies this as a low-hazard ingredient; however, specific CIR safety assessments are currently pending.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Valuable

A highly versatile botanical lipid that excels at soothing sensitivity while providing measurable benefits for skin clarity and barrier integrity.


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