Cocamidopropyl Dimethylamine is a coconut-derived tertiary amine used in hair and skin care products primarily as an antistatic, conditioning, and emulsifying agent. It is a formulation/base ingredient rather than a treatment active.
| Reported effect | How often | Notes |
|---|---|---|
| Skin irritation | Uncommon | Mild irritation possible, especially at higher concentrations in leave-on products. |
| Allergic contact dermatitis | Rare | Sensitization reported, sometimes linked to related amidoamine impurities in cocamidopropyl betaine. |
| Eye irritation | Uncommon | Can cause stinging or irritation if formulated rinse-off products contact the eyes. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.