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C6-12 ALKYL C14-18 ALKYL AMINOPROPYL ACETAMINOPROPYL DIMETHICONE.

Valuable / HAIR CONDITIONING

A sophisticated multi-chain silicone polymer designed to provide high-performance skin conditioning and durable film formation. This specialized organo-modified silicone bridges the gap between traditional emolliency and long-wear pigment stability without the sensory drawbacks of standard aminosilicones.

Summary

Skin conditioning Film forming Hair conditioning Barrier enhancement

Science

Mechanism of Action

This polymer utilizes cationic (positively charged) aminopropyl groups to selectively bond with the skin's naturally negative surface, particularly in damaged or dry areas. Its dual-length alkyl chains (C6-12 and C14-18) create a breathable, water-resistant lipid shield that enhances moisture retention while the acetylation process ensures a refined, odor-free sensory profile during application.

Research

Clinical Evidence

Medium confidence
Effective range 0.01–16%
Optimal

5%

Key findings

  1. 01 Demonstrated superior durability and comfort in color cosmetic matrices, preventing cracking on keratinous surfaces like the skin and lips.

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
1%
Red flag below
0.1%

In high-performance foundations or barrier creams, this ingredient should be present at 1% or higher to provide its signature film-forming and substantive benefits; concentrations below 0.1% are likely for marketing claims rather than functional efficacy.

The Formula

Formulation

Solubility
Oil
Optimal pH 4 – 7
0 7 14

Stability

Excellent stability in anhydrous formulas and both W/O and O/W emulsions. Requires careful pH management to prevent premature protonation of amino groups which can destabilize specific emulsion types.

Synergies

  • Inorganic pigments
  • Non-polar emollients
  • Hydrophobically treated powders

Conflicts

  • Anionic surfactants
  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used (based on general amino-modified silicone class)
Max tested
16%
Pregnancy
Safe
Sensitization risk Low

While this specific INCI is a newer modification, its parent classes (Amodimethicones and Alkyl Dimethicones) have an established safety profile in cosmetic use.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A high-precision polymer essential for creating breathable, long-wearing barriers and improving the tactile finish of complex skincare and hybrid cosmetic formulas.

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References

Sources