| Summary: | Aim: Glycyrrhiza glabra (G. glabra) or licorice with isoflavonoid, flavonoids, and triterpenoid glycosides (saponins) components are highly regarded in the cosmetic industry. This study has been planned as the first project for formulating a new herbal shampoo by utilizing the aqueous extracts of G. glabra. Materials and Methods: The dried powdered root of G. glabra was extracted with boiled water through percolation method, and the pH was set by ammonia; then it was used with other constituents to formulate the herbal shampoo. The desirability of licorice shampoo was evaluated by physicochemical tests including visual inspection, detergency evaluation, pH assessment, percentage of solid contents, viscosity, foaming volume, and wetting time and compared with a commercial shampoo. Also, the product was checked for microbial control and consumers were asked about the quality of the licorice shampoo. Results: The licorice shampoo has excellent cleansing ability, acceptable clarity, and viscosity. The volume of created foam and the wetting time were similar to the commercial shampoo. No microbial contamination was observed during the microbial control assessment tests. The licorice shampoo scored well on consumer’s poll and was free from complication and also able to obviate hair and scalp problems. Discussion and Conclusion: The results indicated that the consumers were satisfied with using the formulated licorice shampoo. Licorice shampoo seems to be helpful in obviation of hair problems, but specific investigations are required to prove this claim. The shampoo was safe from microbial contamination and showed acceptable results in physicochemical evaluations. Licorice shampoo could be useful in the treatment of many hair diseases, so further research is needed for discovering the potential of licorice shampoo.
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