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Call withdrawn.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The earlier call and its buying link are withdrawn while we reconcile the evidence.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 sourceAnti-Wrinkle Benefits of Peptides Complex Stimulating Skin Basement Membrane Proteins Expression.
Earlier record: Topical peptide anti-aging review.
The linked publication is a peptide-complex study, not the review described in this record. It does not identify this finished product.
Check the source
What the comparison established
- The stored comparison with Naturium is NOT_COMPARABLE. It does not support the earlier equivalent-serum recommendation.
- Archived prices were $32 for 1.7 fl oz versus $25 for 1 fl oz. The lower bottle price is not a lower price per equal volume. Current price and availability are separate checks.
Not a comparable formula.
The recorded method does not support a substitute or dupe recommendation for this pair.
rhode: $63.65 per 100 ml. Naturium: $84.54 per 100 ml.
What remains unknown: active concentrations (undisclosed by both brands).
Inspect the recorded comparisonWhat 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 The earlier call and buying link remain withdrawn until the sources support a new, separately checked reading.