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Skin Pharmacol Physiol. 2007;20(1):43-9. Epub 2006 Oct 11.

Anti-inflammatory and skin-hydrating properties of a dietary supplement and topical formulations containing oligomeric proanthocyanidins.

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Bioskin GmbH, Hamburg, Germany.



Anti-inflammatory and skin hydration properties of a dietary supplement and 2 topical formulations (Anthogenol) with oligomeric proanthocyanidins were investigated.


Forty-two subjects were randomized into 2 groups: one taking the dietary supplement (100 mg/day) and the other without supplement. After 4 weeks, erythema was induced using UV radiation followed by treatment with topical cream or lotion. Erythema was measured for up to 72 h after irradiation. Skin hydration after 1 and 2 weeks of application of the cream and lotion was also measured in separate test fields.


Both topical formulations led to a significant suppression of erythema formation and the dietary supplement led to an additional slightly stronger suppression. Thus 72 h after UV exposure and compared to the control fields of patients that had not taken a dietary supplement, erythema was slightly (13.2%) lower in the subjects that had taken a dietary supplement. The cream resulted in a maximal reduction of erythema of 45.9% (p = 0.0015), while the lotion resulted in a maximal reduction of 53.1% (p = 0.0002). Both topical formulations also increased skin hydration (by nearly 20%; p < 0.002 for all combinations of dietary supplementation and topical treatment) and the hydration was higher in the group taking the dietary supplement.


The regular use of Anthogenol products may help to protect from free-radical-mediated skin inflammation and to increase skin hydration.

[Indexed for MEDLINE]

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