Summary:
- The article examines the scientific efficacy of transdermal patches, distinguishing between well-established medical applications (such as nicotine replacement, hormone therapy, and Parkinson’s medication) and the unproven claims of wellness/vitamin patches.
- It highlights the pharmacokinetic challenges of transdermal delivery, noting that while patches are effective for drugs with specific molecular properties, many modern "lifestyle" patches lack rigorous clinical evidence and regulatory oversight.