Uji pH dan Nilai SPF ( Sun Protecting Factor) Terhadap Krim Sunblock Ekstrak Daun Kelor (Moringa oleifera L.)

Abstract

PH is an important parameter in cosmetic products because it is very high or low pH can caused skin irritation. SPF (Sun Protecting Factor) is a universal indicator that describes the effectiveness of a product or substance that is UV protector. The Moringa plant which has a Latin name called Moringa oleifera or in English it is called a drumstick plant is a plant that is a vegetable that is full of nutrients and has various types of uses. This study aims to determine the pH levels and SPF (Sun Protecting Factor) values contained in the sunblock cream of Moringa leaf extract (Moringa oleifera L.). In this study, pH levels were tested by weighing sunblock cream with a concentration of 1%, 3%, 5% then dissolved into aquadest and then tested for pH levels using a pH meter which resulted in pH levels of 6.89 for a concentration of 1%, 6.73 for a concentration of 3% and 6.60 for 5% concentration. While the determination of the SPF (Sun Protecting Factor) value was carried out by weighing the sunblock cream with a concentration of 1%, 3%, 5% then dissolved in ethanol then precipitated using a centrifuge and the absorption was measured using a spectrophotometer which resulted in a SPF (Sun Protecting Factor) value of 7.012 with the category of extra protection, for 1% concentration that 7.275 with extra protection category for 3% concentration and 9.397 with maximum protection for 5% concentration.