Rinse and Mouthwash Process Solutions

Defined as a liquid used to rinse the mouth or gargle with, mouthwashes or rinses are non-sterile, aqueous solutions formulated to freshen the breath and remove food particles and plaque from the teeth. Often used after brushing the teeth, they can form part of a refreshing daily oral hygiene routine. Antiseptic and anti-cavity varieties can reduce the bacteria responsible for gingivitis, bad breath and tooth decay, act as an oral deodorant and even help to whiten teeth.

Mixing, Blending and Liquid Flow Components

Mouthwashes generally comprise diluents, antibacterial agents, soaps, flavorings, and colorants. The primary ingredient in most mouthwashes is water, a diluent, making up more than 50% of the entire formula. The water is deionized to remove various particles and ions that might impact the final flavor. Alcohol can also be used as a diluent (up to 20% of the formula). 

Numerous antibacterial agents have been employed in mouthwash formulations. These include ingredients such as thymol, hexachlorophene, essential oils at low concentrations, chlorinated thymols and quaternary ammonium compounds. Phenolic antiseptics have both an antibacterial effect and a pleasant flavor; thymol, obtained from volatile oils, is used at low concentrations and in conjunction with other ingredients; hexachlorophene is substantive to the mucous membrane, which makes it ideal for longer lasting formulas. Quaternary compounds are often used because of their non-toxic and non-irritant nature, and their efficacy against plaque.

Color and flavor are added to the formulas to improve consumer acceptability, and some formulas also include a synthetic detergent to provide extra foaming and an improved cleansing action.

GEA’s market leading, standard and customizable mixing and blending technologies, liquid handling flow components — pumps, valves and product recovery systems — and clean-in-place (CIP) solutions are key components for the production of mouthwashes and rinses. 

Hygienic design is at the very core of GEA’s engineering concept. It is taken into account early in the design phase of every project and carefully followed through the project’s execution and installation. In addition, every component of a GEA HPC processing line is designed to meet the strictest hygiene standards, ensuring safe operation and reliable product quality.