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7 Results
Type: Article
Section: Research > Methods/Tools
Methods/Tools
Rubbing Shoulders with Massage for Improved Penetration
Rubbing is a common application method for topical products, though evidence of its efficacy remains scarce. The present article reviews research in support of this application theory. It also identifies what investigation is still needed.
Methods/Tools
Properties of Emulsions: Structure and Skin Penetration
This work studied the influence of emulsion type and structure on the penetration of vitamins as cosmetic active ingredients. An emulsion of the w/o type and two different o/w emulsions were compared with an oil solution as a standard. A systematic in vitro study of penetration into the stratum corneum and the living skin was performed with the isolated perfused bovide udder skin model. The results substantiate the influence of emulsion type and stucture on the degree of penetration of water-soluble and oil-soluble vitamins into the skin.
Actives
Don’t Count On Genetics, Sunscreens are the Best Bet
In a podcast with P&G scientists Frauke Neuser, Ph.D. and Rosemarie Osborne, Ph.D.,
Cosmetics & Toiletries
learned about genetic studies in support of the Olay brand, and more. Following is an excerpt.
Methods/Tools
Validating the Effectiveness of Rubbing on Percutaneous Penetration
The effect of rubbing on percutaneous penetration has long been questioned. Existing data regarding rubbing effects is sparse, and what is available is controversial at best. While some evidence suggests that rubbing increases absorption, others note the opposite. Further understanding of the rubbing effect on percutaneous penetration may offer a more complete picture in relation to the application of drugs, cosmetics and skin care.
Cosmetic Ingredients
Words from Wiechers: Without Penetration, No Delivery
This somewhat tongue-in-cheek edition of our "Words from Wiechers" series offers insight to improve the efficacy of actives.
Actives
Elicitation of Rice Tissue Culture to Maximize Skin Epigenetic Modulation
Meristem cells of Himalayan red rice were cultured and elicited to produce secondary metabolites. Through an in vitro assay, rejuvenation was shown at the epigenetic level of treated cells. An increased expression of dermatopontin in keratinocytes, besides being a novel finding, implies that ReGeniStem™ Red Rice may be able to firm the skin and improve the skin barrier function.
Actives
Elicitation of Rice Tissue Culture to Maximize Skin Epigenetic Modulation
Meristem cells of Himalayan red rice were cultured and elicited to produce secondary metabolites. Through an in vitro assay, rejuvenation was shown at the epigenetic level of treated cells. An increased expression of dermatopontin in keratinocytes, besides being a novel finding, implies that ReGeniStem™ Red Rice may be able to firm the skin and improve the skin barrier function.
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