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Patent Pick: Anti-dandruff Probiotic—Not the Contradiction it Seems

Contact Author Rachel Grabenhofer, Cosmetics & Toiletries
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Do the words probiotic and anti-dandruff seem contradictory? Maybe on the surface, but on a micro level in the scalp, L'Oréal and Nestec have found they harmonize to restore balance.

Microorganism(s) to treat scalp disorders
U.S. Patent 9265719
Publication date: Feb. 23, 2016
Assignee: L'Oréal and Nestec SA

This patent describes the use of probiotic microorganisms, and/or fractions or metabolites of them, in conjunction with anti-dandruff actives for preventing and treating dandruff.

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Unexpectedly, the inventors found that microorganisms of the Lactobacillus sp. and/or Bifidobacterium sp. genus reduced dandruff conditions by acting on the hydration and barrier functions of the scalp. They also optimized the assimilation of nutrients provided in one's diet, at the level of intestinal mucosa, and assisted in cell metabolism and various functional and structural mechanisms in the skin.

These actions, according to the inventors, reinforce the barrier functions of the skin and reduce inflammatory conditions while preserving a balanced ecoflora. The scalp, in turn, is less irritated and fragile, and more hydrated. Furthermore, this treatment is reported to act more quickly and intensely than the isolated use of anti-dandruff agents.

Patent accessed March 18, 2016.

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