Source correction · 2026-10-22
Call withdrawn.
We withdrew this call after finding misidentified source material. The earlier recommendation is not a current buying recommendation.
The earlier call and its buying link are withdrawn while we reconcile the evidence. This is a correction to our work, not a finding that the product is ineffective or unsafe.
What we are correcting
Friction melanosis: a clinical, histologic, and ultrastructural study in Jordanian patients.
Earlier record: Bissett et al., Dermatologic Surgery.
The linked paper is about friction melanosis, not the named niacinamide study.
Check the source
What this means for you
No product or alternative is recommended from this record. The earlier call and buying link remain withdrawn until the sources support a new, separately checked reading.