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Moumoujus

DIMETHYL MYRISTAMINE.

Valuable CAS 112-75-4 / ANTISTATIC, HAIR CONDITIONING

An amphoteric surfactant, Dimethyl Myristamine functions primarily as a cleansing agent and emulsifier in both skincare and hair care formulations. It efficiently lifts impurities while also contributing to foam stability and hair conditioning. Its broad utility stems from its amphoteric nature, adapting its charge based on pH.

Summary

antistatic antimicrobial cleansing emulsifying foam boosting hair conditioning hydrotrope surfactant

Science

Mechanism of Action

Operating as an amphoteric or zwitterionic surfactant, Dimethyl Myristamine effectively reduces surface tension, enabling the thorough removal of dirt, oil, and impurities from the skin and scalp without compromising natural hydration. It also acts as an emulsifier, stabilizing oil-and-water mixtures, and boosts foam. Under acidic conditions, it can adopt a cationic charge, imparting mild conditioning benefits, and additionally exhibits antimicrobial properties.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 10
0 7 14

Stability

This ingredient maintains excellent stability across a wide pH spectrum, specifically from 3 to 10. Its robust chemical structure ensures it does not degrade easily under typical storage conditions, contributing to the extended shelf life and consistent performance of formulations.

Conflicts

  • nitrosating systems

Safety

Safety Profile

CIR Status
Safe as used
Max tested
2.5%
Sensitization risk Low

The CIR Expert Panel has deemed Dimethyl Myristamine safe for its current uses, particularly in non-coloring hair care products. In the European Union, its maximum authorized concentration is 2.5% in non-rinse-off products, with no specified limit for rinse-off applications. Strict formulation guidelines require a minimum purity of 99%, with secondary amine content below 0.5% and nitrosamine content under 50 microg/kg. Products must be stored in nitrite-free containers. While classified with GHS statements indicating potential for skin irritation (H315) and serious eye damage (H318) in its raw form, the EPA indicates a 'Green circle' status, signifying low concern based on experimental and modeled data, and INCIDecoder also rates irritancy as 'low'.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Dimethyl Myristamine is a valuable amphoteric surfactant for skincare and hair care, providing effective cleansing, emulsifying, and conditioning properties with a low irritancy profile and broad pH stability, provided formulation guidelines are meticulously followed.

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