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The Effects of a Hyaluronan Lotion with a Molecular Weight of around 50 - 110 kDa on the Aged Atrophic Skin

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DOI: 10.4236/jcdsa.2014.43021    3,673 Downloads   5,407 Views   Citations
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ABSTRACT

Background: Hyaluronic acids act upon keratinocytes via CD44 receptors and regulate proliferation and differentiation. Some cosmetic hyaluronan lotions manufactured based upon the fact are nowadays available. Aims: To evaluate a cosmetic hyaluronan lotion (Dr. Fukaya’s skin repair lotion or Hyaluprotect) from the viewpoint of anti-aging effects and to consider its mechanism. Patients/Methods: In ten healthy volunteers at the age over 60, immunohistochemical research of the biopsied skin was performed before and after the application of the hyaluronan lotion for two weeks. Results: Expression of PCNA in the lower epidermis increased in 8 of 10 subjects. Filaggrin expression of the upper epidermis increased in 6 subjects. 11βHSD1 decreased in 5 subjects and 11βHSD2 increased in 5 subjects. Conclusions: The proliferative and differentiative effects of the hyaluronan lotion upon keratinocytes were confirmed immunohistologically. There is a possibility that hyaluronic acids work through the regulation of corticosteroids by 11βHSD1 and 11βHSD2.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Ito, A. (2014) The Effects of a Hyaluronan Lotion with a Molecular Weight of around 50 - 110 kDa on the Aged Atrophic Skin. Journal of Cosmetics, Dermatological Sciences and Applications, 4, 150-155. doi: 10.4236/jcdsa.2014.43021.

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