When You Pop A Pimple What Is The Clear Liquid. Otherwise it comes out after youve already got the pus out. When a sebum plug forms bacteria that normally lives harmlessly on the surface of your skin can start to grow within the follicle.

That is simply called serum. It is the watery fluid that fills in all body tissue. Clear fluid is just edema fluid that accumulates in the area due to redness and swelling.
Its a bit sticky and a clear liquid but not the core.
If for any reason dirt pollution grime or compression like sleeping on one side of your face blocks the hair follicle. It is a benign fluid that fills in the cavity in the body in this case your pimple. It may be simply referred to as Serum. Dont forget to wash the needle as well even if you plan on disposing of it.