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Effect of Retinol on Skin Barrier Function
Efficacy
Study
Method
Effect
Description
Study Outcomes
Tolerance profile of retinol, retinaldehyde and retinoic acid under maximized and long-term clinical conditions
Clinical grading
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Tolerance profile of retinol, retinaldehyde and retinoic acid under maximized and long-term clinical conditions
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A double-blind randomised controlled trial - the gold standard
A human study that doesn't meet the gold standard
A case report or a study conducted on animals, tissues, or cells
Latest Research
Tolerance profile of retinol, retinaldehyde and retinoic acid under maximized and long-term clinical conditions (1999)
See study outcomes
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