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UROCANIC ACID

Description

Urocanic acid is a naturally occurring compound found in human skin and sweat, playing a crucial role in the skin's photoprotective mechanism. This endogenous molecule is produced through the breakdown of histidine, an amino acid present in the stratum corneum. Urocanic acid exists in two isomeric forms: trans-urocanic acid and cis-urocanic acid.

In skincare formulations, urocanic acid serves as a potent UV absorber, helping to protect the skin from harmful solar radiation. It acts as a natural sunscreen by absorbing UVB rays and converting them into less damaging heat energy. This process also triggers the production of melanin, further enhancing the skin's defense against UV damage.

Additionally, urocanic acid exhibits antioxidant properties, neutralizing free radicals and reducing oxidative stress in the skin. It also plays a role in maintaining the skin's pH balance and barrier function. Recent studies have shown that urocanic acid may have immunomodulatory effects, potentially benefiting individuals with certain skin conditions.

When incorporated into skincare products, urocanic acid can enhance photoprotection, support skin barrier function, and contribute to overall skin health.