Founded in 1923, Keystone Laboratories Inc. specializes in the manufacture of cosmetics. Based in Memphis, Tenn., the company has worldwide sales and distribution in the United States, Canada, Europe, Africa and the Caribbean. It provides a wide range of products, including shampoos, skin care, hair gels and hair care products. Keystone Laboratories Inc. offers products from a number of cosmetic brands, such as Azizza, BetterBraids, BetterBraids Herbal, BetterLocks, Long Aid K7, Long Aid Hair Gels, Long Aid Hair Revitalizers and ULTRA GLOW skin care.