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Moumoujus

SUNFLOWERAMIDOPROPYLTRIMONIUM DIMETHICONE PEG-8 SUCCINATE.

Valuable CAS 521913-26-8 / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

This advanced ingredient, a silicone derivative blended with sunflower fatty acids, acts as a synthetic skin replenishing agent. It excels at forming a protective yet breathable barrier, significantly enhancing skin hydration and delivering a noticeably smoother, less greasy feel. Beyond its primary skin conditioning benefits, it also improves formulation aesthetics and stability.

Summary

Skin Conditioning Emollient Emulsifier (oil-in-water) Texture Enhancer Detackifier

Science

Mechanism of Action

This multi-functional ingredient operates by establishing a non-occlusive, protective film on the skin's surface. This barrier effectively minimizes transepidermal water loss, thus maintaining optimal hydration and preventing dryness. Concurrently, it delivers a notable softening effect, improving skin lubricity and imparting a smooth, silky tactility. Its structural design also enables it to stabilize oil-in-water emulsions, enhance overall product feel by increasing cushion, and reduce tackiness of other ingredients.

Research

Clinical Evidence

Medium confidence
Effective range 0.1–10%
Optimal

3%

Key findings

  1. 01 A 3% concentration demonstrably enhances skin lubricity, smoothness, and reduces greasiness in lotion formulations compared to control.
  2. 02 Typical formulation levels for related dimethicone esters range from 0.1% to 10%.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 5.5 – 8.5
0 7 14

Stability

For stable formulations, maintain a pH between 5.5 and 8.5. It can be integrated at any manufacturing stage with adequate mixing. Store in sealed containers in a cool, dry, well-ventilated area, shielded from heat.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
5.6%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed the safety of related PEG-8 Dimethicone in cosmetic applications, specifically within a concentration range of 0.024% to 5.6%. Broader Dimethicone polymers are also considered safe when formulated to be non-irritating. Due to their large molecular weight, skin absorption is considered unlikely. The FDA permits Dimethicone as an active ingredient in OTC skin protectants up to 30%, further supporting its dermal safety profile. Inhalation safety for airbrush applications was not sufficiently determined for related polymers.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This ingredient is a valuable multi-functional emollient and conditioning agent, enhancing skin hydration, texture, and sensory feel across a wide range of formulations.

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