Process of Making Walnut Oil as an Active Ingredient in Hair Tonic Using Screw Press

The undergraduate thesis by Senja Puteri Dianti in 2015 focused on the process of making walnut oil as an active ingredient for hair tonic using a screw press. The study highlighted that walnuts, with a seed oil content of 55-65% and shell oil content of 60%, are a valuable source for oil extraction. The hair tonic, which is a liquid hair growth stimulant, is typically applied to damp hair after shampooing and conditioning. The research emphasized the potential of walnut oil in promoting healthy hair growth due to its herbal properties.