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Moumoujus

RHUS SUCCEDANEA FRUIT CERA.

Valuable CAS 8001-39-6 / BINDING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

Rhus Succedanea Fruit Cera is a plant-derived wax highly valued for its multi-functional benefits in skincare formulations. It acts primarily as an emollient, delivering profound skin conditioning and contributing to a luxuriously smooth texture. This ingredient also significantly enhances formulation stability and fortifies the skin's natural barrier through its film-forming properties.

Summary

Emollient Viscosity Controlling Film-forming Thickening Agent Binding Agent Humectant Hair Conditioning

Science

Mechanism of Action

This fruit cera (wax) operates as an effective emollient, bestowing a refined smoothness and softness to the skin. It skillfully forms a breathable, protective film on the epidermal surface, which is instrumental in retaining vital moisture, effectively minimizing trans-epidermal water loss (TEWL), and providing defense against environmental stressors. Beyond its skin benefits, it functions as a potent thickening agent and viscosity controller, optimizing the consistency of cosmetic preparations and ensuring the stability of emulsions. It also serves as a binding agent for powdered ingredients and demonstrates humectant capabilities, actively drawing and holding moisture within the skin.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Modified Draize-Shelanski-Jordan human skin irritation and sensitization studies, using concentrations up to 50% in petrolatum, demonstrated no irritation or allergic reactions in 56 female subjects.
  2. 02 Further human studies on finished products containing Rhus Succedanea Fruit Cera at concentrations ranging from 2.5% to 36% similarly reported no instances of irritation or allergic response.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Rhus Succedanea Fruit Cera actively contributes to formulation stability by enhancing the structural integrity of emulsions and oleo gels. Its incorporation can significantly improve the overall stability of cosmetic products and functions as a light stabilizer, protecting light-sensitive components from degradation.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
37.9%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Panel has concluded Rhus Succedanea Fruit Wax is safe in cosmetics under current practices of concentration and use, a position reaffirmed in 2005 and scheduled for re-review in 2025. The highest reported 'as used' concentration was 37.9% in eyebrow pencils in 2022. While generally regarded as safe and non-irritating for most skin types at typical concentrations, individuals with known allergies or highly acne-prone skin may experience mild sensitivity or comedogenic effects, particularly when used in high amounts. It is pertinent to note that the Rhus succedanea tree belongs to the Toxicodendron species, known for containing urushiol (the allergen found in poison ivy). Although the cosmetic ingredient is meticulously derived from the fruit pulp, not the sap, a minor theoretical potential for reaction in exceptionally sensitive individuals exists, despite extensive safety testing.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
No Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Rhus Succedanea Fruit Cera is a valuable multi-functional ingredient, offering significant emollient, film-forming, and textural benefits with a robust safety profile for a wide range of cosmetic applications, particularly for normal, dry, and sensitive skin types.

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