Comparison of tretinoin 0.05% cream and 3% alcohol-based salicylic acid preparation in the treatment of acne vulgaris.
randomized
EVIDENCE COMPARISON
DirectionalAmmonium Lactate
vs Tretinoin
for Surface Smoothness
Early or indirect evidence suggests ammonium lactate and tretinoin show equal effectiveness for improving skin surface smoothness, based on indirect comparison.
1.00x
Effect ratio
Neither
Favored
2
Studies
Indirect
Comparison
ExploratorySubjective endpointTexture
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.