2008
DOI: 10.1111/j.1600-0846.2008.00288.x
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In vitro antioxidant activity and in vivo efficacy of topical formulations containing vitamin C and its derivatives studied by non‐invasive methods

Abstract: AA and its derivates presented an in vitro antioxidant activity but AA had the best antioxidant effect. In in vivo efficacy studies, only the formulation containing AA caused alterations in TEWL values and the formulation containing MAP caused alterations in the viscoelastic-to-elastic ratio. This way, vitamin C derivatives did not present the same effects of AA on human skin; however, MAP showed other significant effect-improving skin hydration, which is very important for the normal cutaneous metabolism and … Show more

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Cited by 65 publications
(70 citation statements)
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References 19 publications
(26 reference statements)
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“…The use of anti-aging cosmetics should be daily since the effects are generally seen in the long term (Campos et al, 2008). Thus, for consumers to use these products correctly, the products need to be attractive and promote a feeling of well-being for users.…”
Section: Introductionmentioning
confidence: 99%
“…The use of anti-aging cosmetics should be daily since the effects are generally seen in the long term (Campos et al, 2008). Thus, for consumers to use these products correctly, the products need to be attractive and promote a feeling of well-being for users.…”
Section: Introductionmentioning
confidence: 99%
“…A constante pesquisa do tecido cutâneo e do emprego de metodologias não-invasivas tem dado origem a diferentes equipamentos para a avaliação dos efeitos dos produtos dermocosméticos (Dikes, 2002;Es-Spiekman, Lucassen, 2000;Smith et al, 2002;Oba et al, 2002;Egawa et al, 2002;Rodrigues, 1997;Zhai et al, 2008, Chilcott, Farrar, 2008, Campos et al, 2008Dujardin et al, 2002).…”
Section: Introductionunclassified
“…A investigação é realizada na pele de voluntários e nas condições de uso desses produtos, sendo de grande valia para a elucidação científica dos benefícios atribuídos a estas formulações, como, por exemplo, o aumento da umectação e atuação na viscoelasticidade cutânea (Campos et al, 2008;Lodén, 2006;Walker, 1996;Rogiers, 1999). Como esses estudos permitem realizar análises quali e quantitativas, evita-se o erro de uma apreciação apenas subjetiva (Rodrigues, 1997).…”
Section: Introductionunclassified
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