Koko for the Hair

A Clear Non-Greasy Liquid, of delightful fragrance: Cooling and Invigorating to the Scalp. Contains no Dye. Promotes Growth, Cleanses the Scalp, Strengthens Thin and Weak Hair, and unltimately Produces Thick, Luxuriant, Brilliant Tresses.
Source: The Picturegoer Monthly. August 1923.