The composition of the Af-EO is exactly the same in their active ingredients (Eucalyptol, Thymol, Methyl-salycilate and Menthol), but sodium fluoride has been added. Some differences are found in their inactive ingredients. These are based on the alcohol containing of the T-EO, without presence in the Af-EO and the presence of Propylene Glycol, sodium lauryl sulfate and sucralose in the Af-EO, without presence in the T-EO.