Because everyone wants to feel good about what they put on their skin and in their body, we made it easy to look up each ingredient in every Apriori Beauty product with our online Ingredient Dictionary. Click to find a specific ingredient and to see which products it is in, as well as look-up each product to see its list of ingredients. This dictionary includes the definition of each ingredient and its source, along with any synonyms or relating source studies. If you’re like most ingredient-conscious consumers, it’s a tool you’ll want to bookmark and revisit often


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Hyaluronic Acid

Hyaluronic acid is an abundant component of the skin’s extracellular matrix, located in the spaces between skin cells in the dermis and epidermis. Hyaluronic acid is a glycosaminoglycan composed of N-acetyl-D-glucosamine and beta-glucoronic acid. In the skin, hyaluronic acid is essential for moisture retention, cell communication, cell proliferation, cell migration, and wound repair. This jelly-like compound can bind 100 times its weight in water and plays an essential role in supporting skin function, regulating the movement of cells, and is transporting essential nutrients from the bloodstream to the living cells of the skin. Hyaluronic acid has also been shown to reduce dryness, itching and burning, and is important for cell growth tissue repair. Accumulation of hyaluronic acid in the epidermis and dermis in response to barrier disruption suggests that the compound plays a major role in maintaining skin barrier function. Damage from sun exposure is known to significantly reduce hyaluronic acid concentrations in the skin.

SYNONYMS:
Hyaluronan, Hyaluronate

REFERENCES:
Baumann L. Skin ageing and its treatment. J Pathol 2007; 211:241-251.

Brown MB, Jones SA. Hyaluronic acid: a unique topical vehicle for the localized delivery of drugs to the skin. Journal of the European Academy of Dermatology and Venereology 2005; 19(3): 308-318.

Maytin EV, Chung HH, Seetharaman VM. Hyaluronan Participates in the Epidermal Response to Disruption of the Permeability Barrier in Vivo. American Journal of Pathobiology 2004; 165(4): 1331-1341.

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