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Moumoujus

MYROXYLON PEREIRAE RESIN EXTRACT.

Avoid / FLAVOURING, FRAGRANCE, SKIN CONDITIONING

Myroxylon pereirae Resin Extract, commonly known as Balsam of Peru, is a botanical extract primarily valued for its aromatic properties and historical use in various applications. While it exhibits mild antiseptic and skin-conditioning attributes, its significant potential for causing allergic contact dermatitis necessitates extreme caution in cosmetic formulations.

Summary

Perfuming Skin-Conditioning Antiseptic Antifungal Antiparasitic

Science

Mechanism of Action

This botanical resin is noted for its mild antiseptic, antifungal, and antiparasitic properties, contributing to its historical use in various topical applications. It also functions as a skin conditioning agent, aiming to support the skin's overall condition.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 In patch tests on dogs, a 25% concentration in petrolatum was evaluated as a negligible irritant (PDII between 0.025 and 0.350); however, this study focused on irritancy rather than efficacy for skin benefits.
  2. 02 Human patch tests reveal that Myroxylon pereirae resin frequently causes allergic contact dermatitis, with prevalence rates observed at approximately 3.6% and 5.79% in large studies, and clinical relevance noted in 75.2% of positive cases.

Transparency

Dusting Analysis

Commonly dusted
Min. effective
0.4%
Red flag below
0.4%

Due to its potent sensitizing potential, regulatory bodies such as the SCCS and IFRA strictly recommend that this extract should not exceed a total level of 0.4% in cosmetic products. Crude Peru Balsam is prohibited as a fragrance ingredient due to its classification as an allergen.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Myroxylon pereirae resin exhibits a viscous, tar-like consistency, becoming pourable when subjected to heat. It possesses high olfactory tenacity, and its aromatic profile can be enhanced in blends when combined with fixatives such as labdanum or oakmoss.

Synergies

  • Labdanum (as an aromatic fixative)
  • Oakmoss (as an aromatic fixative)

Conflicts

  • Balsam of Tolu
  • Beeswax
  • Benzaldehyde
  • Benzoates
  • Benzoin
  • Benzyl salicylate
  • Coniferyl alcohol
  • Coumarin
  • Diethylstilbestrol
  • Eugenol
  • Farnesol
  • Isoeugenol
  • Propanidid
  • Propolis
  • Styrax
  • Tiger balm
  • Fragrance Mix I (FM1) constituents
  • Sorbitan Sesquioleate (SSO)

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.4%
Sensitization risk High

The Scientific Committee on Consumer Products (SCCS) and the International Fragrance Association (IFRA) recommend that concentrations of extracts and distillates of Peru balsam do not exceed 0.4% in cosmetic products due to its sensitizing potential. It is classified as an allergen and is a frequent cause of allergic contact dermatitis. Crude Peru Balsam is explicitly prohibited as a fragrance ingredient. The FDA lists it as safe for general or specific, limited use in food, which differs from its cosmetic application safety profile.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy High
Comedogenicity Unknown

Our Assessment

Verdict

Avoid

Given the exceptionally high risk of allergic contact dermatitis and stringent regulatory limitations on its concentration, Myroxylon pereirae Resin Extract is not recommended for use in precision skincare formulations.

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