Canthrox Granular Shampoo

Canthrox was sold by H. S. Peterson and Company of Chicago, Ill., from 1909 until the mid-1930s. The product was marketed to prevent dandruff, falling hair, and graying. Canthrox was always packaged in a tin box. In 1911 a tin of Canthrox, good for fifteen shampoos, cost fifty cents. It was advertised as a "pleasure and a delight," and would clean your hair "Completely, thoroughly and satisfactorily—yet easily and gently."

The company claimed that hair shampooed with Canthrax would dry more quickly and streak-free. In the mid-to-late 1920s, this quick-drying quality was used to appeal to women with the new short haircuts, or "bobs." Canthrox would "Make the bob more becoming." Advertisements often appeared in newspaper ‘amusement’ sections alongside news of the latest movies and plays and the celebrities who had helped popularize the bobbed style.

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