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Ashitaba et vieillissement cutané.

Ashitaba, an ingredient with anti-aging properties?

According to scientists, the Ashitaba plant contains a molecule that could help slow down skin aging. While its name literally means "tomorrow's leaf", let's delve deeper into the effects of Ashitaba.

Summary
Published February 8, 2024, by Manon, Head of Scientific Communication — 4 min read

Skin aging, in brief.

As we age, we inevitably experienceskin aging. Signs of aging begin to appear in our thirties and are particularly noticeable on the hands and face. This is an unavoidable phenomenon associated with several intrinsic causes. Among these is the shortening of telomeres, which become dysfunctional and trigger the onset of cellular senescence. This process is characterized by an irreversible halt in the cell cycle, as well as specific cellular and molecular changes that lead to a slowdown in cell renewal and collagen production.

These dysfunctional molecules are typically eliminated by autophagy, a cellular mechanism for self-cleaning of cells and degradation of pathogens present in the cytoplasm. Indeed, this process slows down the aging of the organism by limiting the accumulation of macromolecular damage that leads to cellular senescence. Thus, an alteration of autophagy is responsible for an increase in oxidative damage and a decrease in mitochondrial function.

In response to these biological disruptions, the consequences of cellular aging become visible at the skin level with the appearance of wrinkles and fine lines, as well as dark spots. A loosening and dryness of the skin can also be observed.

The effects of Ashitaba on aging.

Traditionally, theAshitaba is renowned for its benefits in Asian medicine. Cultivated for over 2,000 years in Japan, it is known to symbolize longevity. A long-held belief suggests that a substance found in Ashitaba could help to combat aging. But is this really the case?

A study conducted in 2019 highlighted a compound found in Ashitaba, the 4,4'-dimethoxychalcone (DMC). This flavonoid would act directly deep within skin cells by triggering the process of autophagy. It would act on GATA transcription factors to initiate this process, which will eliminate all dysfunctional or altered cells that cause premature skin aging.

When this process is initiated, waste and dead cells are eliminated to prevent their accumulation. Tests have been conducted on yeasts, worms, and flies. After the external administration of DMC, the lifespan of these organisms was extended. Moreover, trials on human cells have revealed a slowdown in the senescence process, a physiological process associated with morphological and functional changes in the cell that lead to their aging.

While these experiments appear to show that DMC slows down the aging of human cells, we must wait for the clinical studies to be able to guarantee its effectiveness in humans.

Our Ashitaba antioxidant serum to combat skin aging.

Our antioxidant serum enriched with Ashitaba (INCI: Angelica Keiskei Extract) and ferulic acid helps to prevent premature skin aging. This treatment is designed to adapt to all skin types, but particularly to dull and/or oxidation-exposed skin. It is suitable for daily use.

Theferulic acid enhances the resistance of cells against free radicals, thereby delaying skin aging. On the other hand, Ashitaba extract promotes cellular renewal and helps to delay the appearance of aging signs such as wrinkles, fine lines, and loss of elasticity.

Source

  • MADEO F. & al. The flavonoid 4,4′-dimethoxychalcone promotes autophagy-dependent longevity across species. Nature Communications (2019).

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