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A new trend. Shampoo, deodorant, toothpaste ... In recent years, solid cosmetics have started to tackle mainstream markets and attract more and more consumers. Here’s why:

With the rise of solid cosmetics, soaps replace liquid products and plastic containers.

Their particularity: they are almost always water free. "Soap is a common solid cosmetic, so it's not new. But we have seen other products emerge in recent years: shampoo, toothpaste, deodorant .... " says Laurence Wittner, Director of the Cosmetics Observatory and Editor-in-Chief of CosmeticsOBS.

Despite decades of medical research, the causes of Alzheimer's disease are still unknown. However, numerous risk factors have been identified, such as: age, genetic predispositions, lack of physical and intellectual activity...

A few months apart, two studies have pointed out an original track: toxic proteins produced by a bacterium, Porphyromonas gingivalis, responsible for gingivitis and periodontitis (that is to say, when the gum and the jawbone are attacked).

Chronic exposure to Porphyromonas Gingivalis, a pathogen involved in periodontitis, leads to brain inflammation, neurodegeneration and an increased production of amyloid peptide in mice.