Combination Superficial Peels With Salicylic Acid and Post-Peel Retinoids.
double-blind, split-face
EVIDENCE COMPARISON
DirectionalRetinol
vs Tacrolimus
for Redness Reduction
Early or indirect evidence suggests tacrolimus may reduce redness slightly more effectively than retinol for improving skin tone, based on indirect comparison.
1.06x
Effect ratio
Tacrolimus
Favored
2
Studies
Indirect
Comparison
ExploratorySubjective endpointTone
Limits: Indirect comparison · Includes subjective endpoint · Early-stage evidence tier
This is an indirect comparison — the two ingredients were not tested head-to-head in the same trial. The ratio is derived from separate studies against a common comparator.
How to read this claim
Kept public as exploratory because it indirect comparison; includes subjective endpoint; early-stage evidence tier.
Some study-specific context may affect how broadly this comparison generalizes.