<![CDATA[Background: Candlenut oil (Aleurites moluccana) is a natural ingredient rich in essential fatty acids and antioxidants that has potential benefits in hair care, particularly for strengthening hair roots and promoting hair growth. The development of candlenut oil-based shampoo offers an alternative natural and environmentally friendly cosmetic product. Method: This experimental study formulated shampoo preparations containing varying concentrations of candlenut oil (6%, 12%, 18%, and 24%) and evaluated their physical characteristics through organoleptic testing, pH measurement, viscosity testing, and foam height analysis. Results: Organoleptic testing showed that higher concentrations of candlenut oil produced a more intense yellow color, with a characteristic candlenut aroma and a soft texture in all formulations. The pH measurement indicated that all formulations were within the acceptable pH range for topical preparations (5–9). The foam height test demonstrated that increasing candlenut oil concentration reduced foam stability and foam height. The viscosity test revealed that only Formula 2 met the required viscosity standard (400–4000 cps), while the other formulations were below the acceptable range. Conclusion: Based on the overall physical evaluation, Formula 2 (12% candlenut oil) demonstrated the most optimal characteristics and met the required quality standards for shampoo preparations.]]>
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