A short video about the ingredients that go into every can of Play-Doh:
Sadly, the composition of the amazing fragrance is not revealed, but Wired asked a perfumer about it a couple of years ago:
Hasbro’s patent admits to vanilla, but that’s just to throw us off the scent. The real formula for this iconic odor is guarded like the crown jewels. After talking with New York perfumer Christopher Brosius, who offers a Play-Doh fragrance, we suspect that it draws from the aromatic flowers of the heliotrope, aka the cherry pie plant.