Back to Ingredient Dictionary

Borate

Description

Borate, a compound derived from boron, is a versatile ingredient in skincare formulations. It serves multiple functions, including acting as a pH buffer, preservative enhancer, and emulsion stabilizer. Borates have antimicrobial properties, helping to inhibit the growth of bacteria and fungi in cosmetic products, thus extending their shelf life.

In skincare, borates are often used in concentrations ranging from 0.1% to 5%, depending on the specific formulation and intended purpose. They are particularly effective in water-based products, where they help maintain optimal pH levels. This pH regulation is crucial for preserving product efficacy and ensuring skin compatibility.

Borates also exhibit humectant properties, attracting and retaining moisture in the skin. This characteristic makes them valuable in hydrating formulations. Additionally, they can act as a mild astringent, potentially benefiting oily or acne-prone skin types.

While generally considered safe for cosmetic use, some individuals may experience sensitivity to borates. As with any skincare ingredient, patch testing is recommended, especially for those with sensitive skin or known allergies. It's important to note that regulatory bodies in different countries may have varying guidelines regarding the use of borates in cosmetic products.