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| Superior even skin tone and anti-ageing benefit of a combination of 4-hexylresorcinol and niacinamide | |||||||||||||||||
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| The clinical anti-aging effects of topical kinetin and niacinamide in Asians: a randomized, double-blind, placebo-controlled, split-face comparative trial | |||||||||||||||||
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| Moisturizing effects of topical nicotinamide on atopic dry skin | |||||||||||||||||
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