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Ingredient directory

Boswellia Frereana Resin

A premium oleoresin sourced from the Somali highlands, Boswellia frereana is distinguished from other frankincense varieties by its high resin purity and lack of water-soluble gum. It serves as a multifunctional botanical agent that excels in calming reactive skin and providing potent microbial defense in high-end formulations.

Directory entry · Individual source review pending

This profile is awaiting an individual source review. Treat its ratings, dose estimates and compatibility labels as provisional; they are not medical advice or proof of a finished product’s effects.

soothing anti-inflammatory antimicrobial perfuming barrier protection

Science

This resin functions primarily through its rich concentration of triterpenes, including lupeol and amyrins. These compounds exert a dual-action effect: they inhibit the 5-lipoxygenase (5-LOX) enzyme to suppress inflammatory pathways and provide robust antimicrobial activity against common pathogens like S. aureus, effectively safeguarding the skin's lipid barrier while neutralizing oxidative stress.


Research

High confidence
Effective range 0.5–1.2%
Optimal

1%

Key findings

  1. 01 In-vitro analysis demonstrated that a 10% oleoresin concentration achieves significant 15mm inhibition zones against Staphylococcus aureus, supporting its use in acne-focused care.
  2. 02 Veterinary translational models utilizing undiluted distillates showed a 75% positive therapeutic response in malignant skin lesions within 14 days, highlighting potent biological activity.
  3. 03 Dermatological compilations identify 0.5% to 1.2% as the threshold for maintaining maximum anti-inflammatory efficacy without inducing dermal sensitivity.

Transparency

Commonly dusted
Min. effective
0.5%
Red flag below
0.1%

Due to its high cost and 'luxury' scent profile, this resin is frequently included at trace amounts (below 0.1%) for marketing purposes. To achieve genuine anti-inflammatory and antimicrobial benefits, the concentration should reach at least 0.5%.


The Formula

Solubility
Oil
Optimal pH 5 – 6.5
0 7 14

Stability

Unique for being nearly 99% oleoresin, it is entirely oil-soluble and shows excellent stability in anhydrous systems. In water-based emulsions, precise emulsification is required to prevent resin precipitation.

Synergies

  • Squalane
  • Vitamin E
  • Linoleic-rich seed oils
  • Salicylic Acid

Conflicts

  • Strong oxidizing agents
  • High-alkaline environments (pH > 8.0)

Safety

CIR Status
Not reviewed
Max tested
1.2%
Pregnancy
Safe
Sensitization risk Low

While not yet specifically profiled by the CIR, its long history as a food-grade masticatory gum and low reported irritancy in clinical observations suggest a high safety profile at recommended cosmetic levels.


Your Skin

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

Our Assessment

Valuable

An exceptional botanical for precision skincare that bridges the gap between aromatic luxury and bioactive dermal repair.


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References

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