Over the past few years, a new skincare trend has taken off: spicule serums, sometimes called needle serums. The products that went especially viral on TikTok were VT's Korean Reedle Shot serums. The promise sounds almost too good to be true: microneedling in a bottle. Spicules do have a real scientific basis, but a serum is not equivalent to professional microneedling, and the evidence for cosmetic results is still limited. So what is actually behind this technology, how is