Laura Biagiotti Biagiotti Uomo. Type: AFTERSHAVE LOTION. Whats the difference between EDP, EDT and Aftershave?. From weakest to strongest: Eau De Cologne > Eau De toilette > Eau de Parfum > Parfum. Aftershave differs because its buffer liquid is predominantly alcohol, which acts as an antiseptic after shaving to promote the healing process.
