Aromatic & Allied Chemicals manufacture Slightly Thick Pale Yellow Mentha Oil. Aromatic & Allied Chemicals offer Natural Essential Oils and their Isolates for fragrance and flavour formulators and many other industries. The Slightly Thick Pale Yellow Mentha Oil has Strong, fresh and peppermint type odour and is used in isolation of Menthol crystals, flavouring tooth pastes, mouthwashes and pharmaceuticals.