June 2023 in “MPI (Media Pharmaceutica Indonesiana)” A hair tonic made from kale leaves is effective for hair growth and meets Indonesian standards.
April 2025 in “Jurnal Inovasi Bahan Lokal dan Pemberdayaan Masyarakat” Varying propylenglycol affects the pH, specific gravity, and viscosity of wax apple leaf hair tonic, meeting Indonesian standards.
September 2020 in “Pharmauho/Pharmauho : Jurnal Farmasi, Sains dan Kesehatan” The hair tonics with galangal and Aloe vera extracts were stable and met standards.
Portulaca-based hair tonics are promising eco-friendly and effective cosmetic alternatives.
September 2023 in “Jurnal MIPA (edisi elektronik)” Lime extract can be used to make a stable hair tonic with beneficial compounds.