Ingredient
Aminomethyl Propanediol
AMPD
2-Amino-2-methyl-1,3-propanediol
What it is
A synthetic amino alcohol used purely as a pH-adjusting and buffering agent in cosmetic formulations, not as an active or conditioning ingredient.
How it works
Neutralizes acidic polymers such as carbomers and acrylate copolymers, raising the formula's pH so the polymer network can fully hydrate and build viscosity, while helping stabilize the overall product pH.
What it does
Buffering
Concerns to know
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Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.