Herbal Ingredients found in Buckley's line of adult liquids:

Camphor
Camphor is a mild expectorant and respiratory stimulant. It also has mild anesthetic and antiseptic properties. Camphor helps to relieve chest congestion associated with colds and influenza (flu).

Menthol
Menthol decreases nasal congestion through local anesthetic action and stimulation of cold receptors. When inhaled, Menthol can relieve coughs and the sense of oppression in the chest. This ingredient is used to relieve symptoms of bronchitis, sinusitis, and nasal congestion.

Canada Balsam
This is a liquid oleoresin from Abies Balsamea (Pinaceae). This plant is found in Canada and Northern U.S. from Virginia to Minnesota. Balsams have traditionally been used as an expectorant for coughs and sore throats.

Pine Needle Oil
Pine Needle Oil has historically been used as an expectorant for the treatment of coughs and chronic bronchitis.

Tincture of Capsicum
Capsicum has been traditionally used as a counter-irritant to soothe conditions of the throat.