Do You Need Lip Concealer??

Hello there... this is request from my reader about lip concealer... Hmmm.... do you have lip concealer? What is an important thing? Yah.. i have one.. the brand is Candy Doll.. What is the function? I think it just to make the liptick or lipgloss color you out.. So, how about other concealer (for face).. what is has the same function?? I try to compare them...

left-right : maybelline mineral concealer, candy doll lip concealer, mac lipstick creme cup

the swatch on my hand

the swatch on my lip
up : candy doll lip concealer
bottom : maybelline mineral concealer

finsih with lipstick

Review : both of them make the color out and long lasting... i bought candy doll $15 and maybelline only $3.. i think i will repurchase maybelline than candy doll.. candy doll is pricy..