Lips will bleed quickly because there are many blood vessels in the area. The skin of the lips is also a membrane so it is difficult to encapsulate pigment. The advantages of Booster Lip are: It staunches bleeding and will lower the pH of the pigment. As the skin raises the pH it will contract and close the puncture holes, so the pigment is able to remain.
Allow puncture holes to shut at a faster rate, fixing the pigment in place;
Reduces the transport of lymph, increasing pigment retention;
Lower PH of the pigment, raising the PH of the skin, stabilizing the pigment retention.