At the same time, using oil and butters in lip liner is beneficial in two different ways. Firstly using oil helps in better binding of waxes and the color of lip liner and secondly oils are healthy for lips. These provide lip with proper care against drying or chapping. Oils and butters extracted from natural resources are amazing to ensure high quality products which provide in good care. This makes lip liners the ultimate lip care cosmetics. So when you use for longer period of time, damage or darkening of lips would be comparatively less than the ones without benefits of lip friendly elements. So butters and oils in lip liners are necessary, but the manufacturer has an option whether they are using healthier options.
Use of natural oils and oil blends is quite common and necessary, these oils include coconut oil, jojoba oil, argan oil, avocado oil, castor oil, sweet almond oil, etc., These oils are loaded with Vitamins A, D, E. These also have the necessary fatty acids which help in moisturizing lips, nourishes and these are also capable of reducing or reversing the environmental damage. These can plump lips with the rich moisturizing, also actual lip plumping happens in a different method. Oils are never used singularly, these are included along with butters and humectants, stabilizers, etc. However, these lend gloss and shine to the liner to make it a usable cosmetic.