<![CDATA[This study aims to evaluate the physical stability of hand and body lotion formulations containing Lingzhi mushroom (Ganoderma lucidum) extract at various concentrations (0%, 0.25%, 0.50%, and 0.75%). The extract was obtained through maceration using 96% ethanol and incorporated as an active ingredient in lotion formulations. Physical stability parameters assessed over a 28-day storage period included organoleptic characteristics, homogeneity, pH, spreadability, and skin irritation. Results indicated that all lotion formulations exhibited good homogeneity, pH values within the acceptable range (4.95–5.68), and spreadability within standard criteria (5.72–6.27 cm). No skin irritation effects were reported among respondents. The 0.50% extract concentration received the highest user preference in terms of color and aroma. Overall, the study concludes that Lingzhi mushroom extract can be effectively used as a stable, safe, and consumer-acceptable active ingredient in natural skin care product formulations.]]>
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