Is ellagic acid good for the skin?

Is ellagic acid good for the skin?

Ellagic acid (EA), also known as gallic acid and elaeganoic acid, is a plant polyphenolic substance and a dimer derivative of gallic acid. It is widely found in nature, such as pomegranates, cranberries, etc. Natural EA mostly exists in condensed form in nature. In addition, it also exists in the fruits of many plants in a free form. Its large-scale production can be achieved through the hydrolysis of tannic acid.

It is a natural ingredient that is beneficial to the skin. It contains strong antioxidant and anti-inflammatory properties. It is suitable for all skin types, especially sensitive skin. It has attracted much attention in the skin care industry and is indeed good for the skin.

What are the benefits of ellagic acid for the skin?

Antioxidant

It has strong antioxidant properties, can effectively remove free radicals, and protect skin cells from damage by oxidative stress. This helps to delay skin aging and keep the skin young.

Anti-inflammatory and repairing

It has anti-inflammatory effects, can reduce skin inflammation, and help repair damaged skin tissue. For sun-exposed skin, ellagic acid can reduce irritation and promote self-repair of the skin.

Whitening and freckle removal

It can effectively inhibit the activity of tyrosinase. This natural whitening enzyme can reduce the formation of melanin in cells, thereby protecting the skin from dullness, waxy yellowness, and the formation of chloasma, thus achieving a good whitening and freckle removal effect. In addition, it also has a strong absorption capacity for ultraviolet rays, which can reduce the probability of skin tanning to a certain extent.

Moisturizing and antibacterial

It contains polyols that can absorb moisture well and act on the skin. It can be used as a moisturizer in skin care products. At the same time, it can also have a good inhibitory effect on Escherichia coli, Staphylococcus aureus, Salmonella, Pseudomonas aeruginosa, etc., and can protect the wound from bacterial invasion, prevent further infection, and maintain the health of the skin.

Anti-aging

Studies have shown that it can strengthen the dermal-epidermal junction by increasing the ratio of type VII collagen in keratinocytes and fibroblasts, thereby reducing wrinkles, tightening the skin, regulating skin texture, and delaying skin aging. Ellagic acid can effectively promote the regeneration of skin elastic fibers and protect elastin from degradation. It can especially reduce skin tissue damage caused by long-term or frequent radiation and ultraviolet radiation in sunlight, and slow down photoaging.

Antioxidant properties

1. Free radical scavenging

The antioxidant properties of ellagic acid in vivo and in vitro have been continuously explored and studied, and more and more research results show that it has strong free radical scavenging and antioxidant abilities. It has scavenging effects on both oxygen free radicals and hydroxyl free radicals, and its ability to scavenging free radicals is higher than that of antioxidants such as sesamol, olive leaf extract and lutein.

2. Inhibition of lipid peroxidation

In terms of inhibiting lipid peroxidation, it is considered to be the most effective inhibitor of the initial stage of microsomal NADPH-dependent lipid peroxidation, and can also strongly inhibit lipid peroxidation induced by doxorubicin. It can inhibit ferromyoglobin/hydrogen peroxide-dependent lipid peroxidation, prevent lipid peroxidation induced by exogenous substances in T cells, inhibit the generation of reactive oxygen species, and improve cell death caused by cytotoxins.

Other antioxidant activities

It can reduce cell damage caused by radiation, hydrogen peroxide and mitomycin C in mouse bone marrow cells. It can effectively inhibit the oxidation of DCDHF induced by peroxynitrite and the oxidation of peroxynitrite itself. At the same time, it can also prevent the single-strand breaks of pTZ 18U plasmid DNA and the nitration of tyrosyl groups in calf serum albumin induced by pernitrite. Therefore, in vitro, it can also protect biological molecules from oxidation and nitration damage caused by pernitrite.

Cosmetic Applications

Ellagic acid is widely used in cosmetics and personal care products due to its antioxidant and anti-inflammatory properties. It is added to products such as skin care products, anti-aging products and sunscreens to help protect the skin from free radical damage and promote skin health.

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