Disadvantages 1. If you are young now, tattoos may look good, but once you are old, you will feel sick and your eyes will droop, which is really hard to look at.
2. it hurts! It really hurts! If you think it hurts to get an injection or get your ears pierced, you'd better not get a tattoo.
3. Removing eyeliner is expensive and painful.
To sum up, there are many shortcomings! So it is better to trouble yourself to draw eyeliner every day, and you can change the pattern at any time.