Deep Freeze

Nope, not the weather but the cold gel that runners rub into their aching and hurting joints and muscles.

Contents:
Racemic Menthol 2%
Isopropyl alcohol
Carbomer
Triethanolamine (85%)
Methyl Hydroxybenzoate E218
Propyl Hydroxybenzoate E216
Patent Blue V E131
Purified Water

All nice and soothing, smells pleasant, nothing overbearing

So why the hell did my cat walk over to me tonight sniff my foot which I had just smeared Deep Freeze over, sniff it and then BITE my foot?