Riddle n°26
(posted on the 6th of September 2014)
Look closely at these two photos for a toothpaste advert.

Can you see a problem ?
Obviously, you need some help. Here it is :
on the first picture, you must pay attention to the woman and on the second photo you must look at the man.
YOUPEE!!! Après 3 mois de recherche Cassandra vient de percer l'énigme. Bravo!