Back to Ingredient Dictionary

SODIUM NITRATE

Description

Sodium nitrate is an inorganic compound with the chemical formula NaNO3, commonly used in various industries, including skincare and cosmetics. This white, crystalline salt is highly soluble in water and possesses hygroscopic properties, making it an effective humectant in skincare formulations. Sodium nitrate acts as a preservative and pH stabilizer, helping to maintain the integrity and shelf life of skincare products.

In skincare applications, sodium nitrate is utilized for its ability to attract and retain moisture, contributing to improved skin hydration. It can enhance the penetration of other active ingredients, potentially increasing their efficacy. The compound also exhibits mild antimicrobial properties, which can aid in preventing product contamination.

However, it's important to note that sodium nitrate can potentially cause irritation in individuals with sensitive skin. Its use is typically limited to low concentrations in skincare formulations. Some concerns exist regarding the potential formation of nitrosamines when sodium nitrate interacts with certain other ingredients, though this risk is generally considered minimal in properly formulated products. As with any skincare ingredient, patch testing is recommended for those with sensitive skin or a history of allergic reactions.