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The article focuses on study on role of blue light and infrared light in the photoaging process through common or distinctive mechanisms affecting epidermal homeostasis. Topics discussed include methodology used in the study to understand the ability of PcHE to protect against ROS production; double-blind clinical study performed to understand thee effect of HEV-emitting devices on normal skin; and efficacy of PcHE to reduce cutaneous damage.

The article focuses on transient receptor potential vanilloid 1 (TRPV1), which negatively affects the skin barrier by delaying its recovery, whereas TRPV3 and TRPV4 receptors positively influence skin barrier formation. Topics include TRPV3 activation being shown to control keratinocyte migration; Reverse transcription polymerase chain reaction being performed by using gene-specific primers; and the inhibition of TRPV1 expression results in a lower production of proinflammatory mediators.

The article explores an extract from Daphne odora cell cultures to address cold stress related damage including dryness, cutaneous micro-lesions and inflammation. Topics discussed include role of hydrolipidic film in the maintenance of the skin barrier integrity; effect of alterations on the structure of the stratum corneum; and consequence of cold temperatures.

Dolichos biflorus cell culture extract is evaluated here for its effects on skin cells. Results indicate the extract provides strong antiinflammatory, antioxidant and protective properties for skin, and the ability to repair UV-induced damage. Further, this work reinforces that cell culture systems are efficient biofactories to produce natural and effective compounds. [ABSTRACT FROM AUTHOR]

Coffe a species have been widely evaluated for effects including oxidative stress protection and immunomodulation. The present study therefore evaluates the cosmetic activity of an extract obtained from cultured Coffea bengalensis stem cells. Results showed the extract imparted hydration activity in the keratinocytes, stimulated collagen synthesis in the fibroblasts and enhanced adipocyte differentiation starting from mesenchymal precursor cells. [ABSTRACT FROM AUTHOR]

In the present article, the authors evaluate a wild red raspberry (Rubus idaeus) extract for its beneficial compounds and potential applications in skin care. From leaf explants, raspberry stem cells were obtained to develop an extract rich in antioxidants, anthocyanins and phenolics. This extract exhibited anti-inflammatory and antioxidant activities. [ABSTRACT FROM AUTHOR]