April 2024 in “Jurnal Agroindustri Halal/Jurnal agroindustri halal” This study investigated formulations of hair tonic using Hormophysa triquetra seaweed and candlenut extract, finding that the variant with the highest seaweed extract content demonstrated superior physical stability and rapid hair growth in test animals due to its antioxidant properties.
January 2026 in “International Journal of Health Engineering and Technology” In this study, researchers evaluated the effects of green spinach leaf extract on hair growth in New Zealand rabbits and found that the 15% concentration formula resulted in the highest average hair growth compared to other concentrations and controls.
November 2025 in “Journal of English Language and Education” In this study, researchers found that a hair tonic formulated with 2% guava leaf extract demonstrated strong consumer acceptance and safe physicochemical characteristics among university students, showing potential as a natural alternative for reducing hair loss.
December 2024 in “Tropical Journal of Natural Product Research” This study aimed to enhance the skin penetration of brown algae fucoidan using a Nanostructured Lipid Carrier, achieving a formulation with good physical quality and stability.