Moringa oleifera leaf contains quercetin act as an analgesic by inhibiting cyclooxygenase and lipooxygenase. These enzymes interfere synthesis of prostaglandins by arachidonic acid and lead to reduce pain. This study aimed to obtain a physically stable M/A cream formula from the lyophilized ethanol extract of Moringa leaf and to determine the irritation effect. The cream prepared with variations of cetyl alcohol concentration F1 (2%), F2 (4%,) and F3 (6%). The cream stability was determined with organoleptic, homogeneity, type of emulsion, pH, viscosity, and spreadability parameters after accelerated condition. The Irritancy test was determined to the Albino Oryctolagus cuniculus. The results showed that F1 has the best stability than F2 and F3 and showed irritation index 0,5 classified as moderate irritation.

Background: Moringa oleifera L. leaves have analgesic activity due to their flavonoids content. These polar antioxidants compounds usually have difficulty to diffuse through the skin. Objectives: The purpose of this study was to evaluate the diffusion parameters of cream contains the lyophilized of M. oleifera leaves ethanol extract. Material and Methods: The lyophilized of M.oleifera leaves ethanol extract (5%) formulated as an o/w cream with 2% of cetyl alcohol as a stiffening agent. The physical characteristics of the cream were determined for organoleptic, homogeneity, pH, viscosity, spreadability, and type of emulsion parameters. The diffusion parameters were determined with Franz cell diffusion using the skin's snake as a membrane with 0; 10; 30; 60 and 90 minutes sampling time. Results: Physical characteristics of the cream showed that o/w as the cream type with pH, viscosity, and spreadability value were 4.72±0.03; 14.000±225 cps; and 5.7±0.20 cm, respectively. The diffusion parameter showed total flavonoids penetrate through the membrane was 360.134±0.20 µg/cm2 with flux 239,875 µg/cm2hr. Conclusions: This study showed a cream formulation that fulfills the required physical characteristics standard and can deliver active compounds to penetrate through the membrane.