this is a 50ml bottle of black pepper (piper nigrum) supplied in amber glass to prevent deterioration through sunlight with a tamper evident cap and integral dropper. This is a high quality oil suitable for aromatherapy. The properties of black pepper are reported as follows. Constituents: carypthyllene, limonene, pinene, sabinene. Origin: berries. From Singapore, India and Malaysia. Properties: analgesic, antiseptic, antispasmodic, antitoxic, digestive, diuretic, laxative, rubefacient, stimulant, tonic (particles of spleen). contraindications: none general: hot, warming and strengthening, stimulating & detoxifying. .