Stability of red, blue and purple extracted from fruits on lip balm

The advantages of using natural colorant are the main reason to increasing in demand of natural colorant to replace synthetic dyes especially in cosmetic industry. However, it is difficult to produce natural colorant due to the limitation of raw materials availability. Hence, this research tried to customize the properties of lip balm by using natural dyes from pigment that exist in the waste of fruits which is its skin. The stability of the natural colorant on lip balm including their chemical, physical and biological properties was studied in this research and was compared with the synthetic lip balm in market. From the finding, it can be conclude that the formulation of lip balm were stable at room and refrigerant condition, however it the color and shape of lip balm start to change under oven condition. UV light and the heat generated from the light bulb also cause the photodegradation of pigment.