“…6,17,18 Toothpaste flavors, which are fragrance mixtures commonly containing oils of peppermint and spearmint, carvone and anethole, seem to represent the most common toothpaste allergens. 4,5,7,10,13,[19][20][21] Other allergens in toothpaste flavors include menthol and dipentene 5,7 and less commonly associated substances include chlorexedine, stannous fluoride, triclosan, propolis and hydrogen peroxide. 1,2,[22][23][24][25] Whitening and anti-tartar toothpastes are more associated with oral reactions due to the constant presence of irritant agents, especially peroxyde, pyrophosphate and hexametaphosphate, substances responsible for improving teeth cleanliness and whiteness.…”