I've just had a "huh?" moment here. Looked it up at Amazon and found this: William Hunter Equestrian Barrier Purple Spray To keep the subject about language: huh/hʌ,hə/ (exclamation), used to express scorn, anger, or surprise. (In my case the latter) 😉

Violeta Genciana Povidona yodada Azul de metileno

Mercurocromo es su nombre genérico

Genetian Violet a natural antiseptic made from Rosaniline a synthetic purple/brown dye used to treat fungal infections and as an antiseptic; now superseded by modern drugs and ointments.

Gentian violet? Betadine?