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ASTROCARYUM MURUMURU SEED POWDER.

Valuable CAS 356065-49-1; 906350-19-4 / ABRASIVE

A sustainable, plant-based mechanical exfoliant derived from the nutrient-dense seeds of the Amazonian Murumuru palm. It serves as a biodegradable alternative to synthetic microbeads, providing textured resurfacing while naturally delivering skin-compatible lipids.

Abrasive Physical Exfoliant Absorbent

Science

This ingredient functions as a physical abrasive that manually dislodges dead skin cells (corneocytes) and surface biofilms through controlled friction. Unlike inert exfoliants, it retains a high concentration of lauric and myristic fatty acids and Vitamin E (tocopherols), which help maintain the stratum corneum's lipid barrier and provide localized emolliency during the mechanical scrubbing process.


Research

High confidence
Effective range 0.1–15%
Optimal

1.5%

Key findings

  1. 01 Citróleo Group technical data confirms efficacy for gentle physical exfoliation and emolliency at 0.1% to 1.5%.
  2. 02 AWS Bio-derived and Sustainable Formulas Guide (2019) validates safety and stability at high-intensity concentrations up to 15%.

Transparency

Not commonly dusted
Min. effective
0.1%
Red flag below
0.05%

To achieve a functional mechanical effect, a minimum concentration of 0.1% is required. Levels below this are typically insufficient for noticeable exfoliation and are often used for marketing claims rather than performance.


The Formula

Solubility
Insoluble
Optimal pH 4 – 8
0 7 14

Stability

The powder is a highly stable solid resistant to oxidation. Formulators should incorporate it at temperatures below 60°C to protect the integrity of the natural vitamins and fatty acids within the seed matrix.

Synergies

  • Rheology modifiers (Xanthan Gum, Carbomer) to ensure uniform suspension
  • Surfactant systems for clarifying cleansers

Conflicts

  • Strong oxidizing agents
  • Low-viscosity aqueous bases (prone to sedimentation without suspending agents)

Safety

CIR Status
Safe as used
Max tested
15%
Pregnancy
Safe
Sensitization risk Low

Recognized by the CIR Expert Panel as a safe, biodegradable, and sustainable alternative to polyethylene-based exfoliants.


Your Skin

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

Our Assessment

Valuable

An excellent eco-friendly physical exfoliant that provides effective resurfacing while supporting the skin barrier through its natural fatty acid profile.


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References