answers: Barbicide
context: up to that point. Bell is possibly best known for his most recent invention in 1999 of shampoos and conditioners, under the brand Nubian Secrets, for the "difficult-to-clean" style of dreadlocks. As Bell puts it, "it's simply a matter of decreasing the surface tension involved between this matted hairstyle ... and the surfactants/cleansers used. This will also allow for great rinsing without leaving residue." Lloyd Bell Lloyd A. Bell is a cosmetic research chemist who started his career with Redken Laboratories in the early 1970s while formulating hair care products and studying the field of trichology. Major bench formulation accomplishments </s> Barbicide Barbicide is a disinfectant solution used by barbers and cosmetologists for sanitizing grooming tools such as combs and hair-cutting shears. Manufactured by King Research, it was invented in 1947 by Maurice King and marketed heavily around the United States by his brother James. Barbicide is a United States Environmental Protection Agency-approved combination germicide, pseudomonacide, fungicide, and a viricide effective against the HIV-1 virus (AIDS virus), Hepatitis B, and Hepatitis C. Its active ingredient is Alkyl dimethyl benzyl ammonium chloride (5.12% by volume); sodium nitrite and blue dye are also present. Barbicide is sold as a concentrate diluted for use </s> his company to the predecessor of Warner–Lambert, which was purchased in 2000 by Pfizer. Liniment Liniment (from the Latin "linere", to anoint), or embrocation, is a medicated topical preparation for application to the skin. Sometimes called balms or heat rubs, liniments are of a similar or greater viscosity than lotions and are rubbed in to create friction, unlike lotions, ointments or creams, but patches, sticks and sprays are also available. Liniments are typically sold to relieve pain and stiffness, such as from sore muscular aches and strains, or arthritis. These are typically formulated from alcohol, acetone, or similar quickly evaporating
question: what is the blue liquid in barber shop