Use red/ pink food dye on your mouth.

[Lux]

Food dye gives ideal pigmentation for lips & tongue. At first it looked like I was wearing lipstick but after I licked my lips & drank some water it looked natural. It's an easy looksmax.

 

[JizzFarmer]

Honestly just put lemon juice on it, does the same thing.

 

[deer]

I mainly use Hydrofluoric Acid

 

[YoungRichNigga]

just exfoliate and put on vasline/lip balm and your good.

 

[Usum]

Castor Oil ?

 

[Lorsss]

I used lipliner in the past
Thanks for the advice by the way, I will try this ref food dye