Back to Ingredient Dictionary

METHYLPARABEN

Description

Methylparaben is a widely used preservative in skincare products, cosmetics, and pharmaceuticals. This synthetic compound belongs to the paraben family and is derived from para-hydroxybenzoic acid. Its primary function is to inhibit microbial growth, particularly mold and yeast, thereby extending the shelf life of products.

Chemically stable and effective at a broad pH range, methylparaben is soluble in water and alcohol, making it versatile for various formulations. It is typically used in concentrations of 0.1% to 0.4% in skincare products. Methylparaben works synergistically with other preservatives, enhancing overall product protection.

While effective, methylparaben has faced scrutiny due to concerns about potential endocrine disruption and weak estrogenic activity. However, regulatory bodies such as the FDA and EU Scientific Committee on Consumer Safety have deemed it safe at current usage levels. Studies indicate that methylparaben is rapidly metabolized and excreted from the body.

Formulators often choose methylparaben for its efficacy, cost-effectiveness, and minimal impact on product texture and color. It remains an important tool in ensuring product safety and stability, particularly in water-based formulations prone to microbial contamination.