July 2026 in “International Journal of Drug Delivery Technology” This study evaluated a Piper betle leaf emulgel for topical use and found it to have good stability, non-irritant properties, and significant hair growth activity in albino mice, suggesting its potential for dermatological and hair growth applications.
February 2020 in “Journal of emerging technologies and innovative research” This study developed a multipurpose herbal hair emulgel incorporating aloe vera, tea extract, coconut oil, and castor oil, aimed at promoting hair growth and controlling dandruff, hair fall, and greying. Evaluation found the product to be stable.
June 2026 in “Research Square” This study evaluated an herbal emulgel formulation containing extracts from Wedelia chinensis and Cassytha filiformis for hair growth promotion in rats, finding that the combined formulation significantly increased hair growth compared to both individual extracts and the control group.
January 2019 in “International Journal of Herbal Medicine” This study concluded that a hair emulgel formulation combining extracts from four medicinal plants demonstrated desirable characteristics of spreadability, viscosity, pH, and safety, making it effective, harmless, and economical for potential hair care use.
June 2023 in “MPI (Media Pharmaceutica Indonesiana)” This systematic literature review identified kale leaf hair tonic (Ipomoea aquatica Forsk.) at 5% concentration as an effective herbal cosmeceutical preparation for enhancing hair growth, showing an average increase in hair length over 21 days, while meeting established pharmaceutical standards.