Aminomethyl Propanol (AMP) is an alkaline organic amine used to adjust and buffer the pH of cosmetic formulations, commonly neutralizing acidic gelling agents like carbomers to thicken or stabilize products. It functions as a formulation aid rather than a skin-treatment active.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation | Uncommon | Possible with leave-on products at higher concentrations or improperly balanced pH. |
Eye irritation | Uncommon | Direct contact with concentrated forms can cause stinging or redness. |
Allergic contact dermatitis | Rare | Sensitization reported infrequently in patch-test literature. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.