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Moumoujus

MYROXYLON PEREIRAE RESIN.

Avoid CAS 8007-00-9 / FILM FORMING, FRAGRANCE, HAIR CONDITIONING

Myroxylon Pereirea Resin, also known as Peru balsam, is a natural oleoresin historically recognized for its skin conditioning, moisturizing, and mild antimicrobial properties. Despite these traditional benefits, its high potential for inducing allergic contact dermatitis significantly restricts its application in modern precision skincare formulations.

Summary

Skin Conditioning Film Forming Moisturizing Antimicrobial Anti-inflammatory Fragrance Hair Conditioning

Science

Mechanism of Action

This resin acts as a skin conditioning agent, promoting overall skin health. It forms a protective, continuous film on the skin, contributing to improved hydration and a softer, more supple texture. Myroxylon Pereirea Resin also exhibits antimicrobial (antibacterial and antifungal) activity, which may help safeguard the skin from infections, and possesses anti-inflammatory properties to soothe irritation. Additionally, it is believed to support skin elasticity for a firmer appearance, and has traditional uses involving mild bactericidal action and capillary-bed stimulation.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted
Red flag below
0.4%

Myroxylon Pereirea Resin is not typically 'dusted' for efficacy claims; rather, its use in cosmetic products is strictly limited due to severe safety concerns. Exceeding a total concentration of 0.4% in a formulation represents a critical red flag, as this threshold is linked to its high sensitizing potential and regulatory advisories against higher concentrations.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Conflicts

  • Known to induce allergic contact dermatitis, therefore, individuals with known sensitivities should avoid this ingredient, including products vaguely labeled with 'perfume', 'parfum', or 'aroma'.
  • Exhibits a high potential for cross-reactivity with a range of substances, including Balsam of Tolu, beeswax, benzaldehyde, benzoates, benzoin, benzyl salicylate, coniferyl alcohol, coumarin, diethylstilbestrol, eugenol, farnesol, isoeugenol, propanidid, propolis, and styrax.
  • Contains chemical components also found in common spices such as cinnamon, vanilla, and citrus peel, which may trigger allergic reactions in sensitized individuals.
  • Its use is contraindicated in skincare products intended for patients with chronic venous insufficiency.

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.4%
Sensitization risk High

The Scientific Committee on Consumer Products (SCCP, now SCCS) in 2006 recommended that the total level of Myroxylon Pereirea Resin (Peru balsam extracts and distillates) should not exceed 0.4% in cosmetic products due to its significant sensitizing potential. They further advised against its use as a fragrance ingredient. It is a well-established contact allergen, frequently implicated in allergic contact dermatitis, and carries 'HIGH. Allergies & Immunotoxicity' and 'HIGH. Use Restrictions' ratings from EWG, reflecting its restriction in cosmetics by the EU Cosmetics Directive and fragrance limitations by IFRA.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Avoid

Given its well-documented high risk of allergic contact dermatitis, strict regulatory restrictions on concentration, and advisories against its use as a fragrance ingredient, Myroxylon Pereirea Resin should be actively avoided in precision skincare formulations.

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