Call a dermatologist for a same-day cortisone (triamcinolone) shot — $50 to $150 and flattens a cyst in 24 hours. If you can't get an appointment, run this stack: ice in a cloth for 5 to 7 minutes, then a dot of 1% hydrocortisone. Cap with a Rael Miracle Patch or Hero Mighty Patch overnight on a surfaced whitehead. For an under-skin bump that hasn't broken through, a Rael Microcrystal or ZitSticka Killa microdart delivers 2% salicylic acid through dissolving cones in 6 to 12 hours. Target, CVS, and Walgreens carry Rael, Hero, and Starface in-store. Skip popping, toothpaste, and rubbing alcohol — incomplete drainage refills in 48 hours and scarring risk jumps.