| Study Outcomes | |||||||||||||||||
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| Efficacy and mechanism of retinyl palmitate against UVB-induced skin photoaging | |||||||||||||||||
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| Study Outcomes | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unoccluded retinol penetrates human skin in vivo more effectively than unoccluded retinyl palmitate or retinoic acid | |||||||||||||||||
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