Boob tape requires some practice to get it right, at least at first. Application takes some testing and playing around with the product to get the look you want.
Use baby oil or any other type of oil. Apply a generous amount on the tape and let it soak for 10 minutes. The oil will break down the adhesive on the tape. Peel the tape away from your skin slowly.
Do not rip the tape off.
CAUTION: Do a patch test. Apply a small test patch to check if your skin reacts. Do not use tape if you have thin or sensitive skin. Do not use for more than 8 hours. Do not apply tape over broken, damaged, or sun burnt skin.