True fats are very rarely used in modern lipstick, although at one time or lard and other fats are found in large numbers.
Example: cocoa butter, petrolatum, glyceryl monostearate, lanolin, lecithin.

This oil is to determine the whole nature of the lipstick product. Fat that usually used is ester. Esther is the product of the reaction between fatty alcohols and fatty acids. This ester can also exist in various forms, solid, paste, thick, thin and others.

It is possible many combinations to form a trait that can be felt on the lips. This oil serves as an emollient (easier deployment or application of), moisturizer, enhancer slippery, giving sheen, not shine maker agent (matifying) and an addition to the SPF (Sun Protection Factor). Esters can also be the active compounds such as sunscreen (octyl methoxycinnamate). The percentage of sunscreen used depends on the compounds and SPF products. Some esters that can be used is isopropyl palmitate, myristyl lactate isostearil neopentanoat and (ester that can melt at skin temperature) and many others. These esters can provide the necessary characteristics in a lipstick.

Other oils that can be used are natural oils derived from plants. Can be obtained from olive oil, avocado, sesame, wheat, corn, macadamia seed, or other grains. Lanolin oil derived from wool fat can also be used. It all adds differences in the character of lipstick and provide functional properties as listed in the label. Percentage of esters and other oils can be very high even sometimes amount almost equal to the solvents used.