At NINGBO INNO PHARMCHEM CO.,LTD., we are dedicated to providing ingredients that not only perform exceptionally but are also safe for consumer use. 2-Phenylbenzimidazole-5-Sulfonic Acid, commonly known as Ensulizole in the cosmetics industry, is a prime example of a compound that balances potent functionality with a favorable safety profile, making it a valuable component in advanced skincare products.

As a water-soluble UV filter, Ensulizole is highly sought after for its ability to absorb UVB radiation efficiently. UVB rays are the primary cause of sunburn and DNA damage, and effective protection against them is a cornerstone of any robust sun care regimen. While Ensulizole offers UVB protection, it is often paired with UVA filters to achieve comprehensive broad-spectrum protection. This synergistic approach is common in high-SPF formulations designed for daily use or extended sun exposure.

One of the key advantages of 2-Phenylbenzimidazole-5-Sulfonic Acid is its aesthetic contribution to formulations. Unlike some traditional UV filters that can leave a heavy or oily residue, Ensulizole imparts a light, dry feel on the skin. This makes it particularly attractive for developing modern skincare products, such as facial moisturizers with SPF, primers, and lightweight sunscreens, which cater to consumers seeking cosmetically elegant solutions. Its water solubility also simplifies formulation, allowing it to be easily incorporated into the water phase of emulsions.

The safety of ingredients is of paramount importance, and Ensulizole has been extensively studied. Regulatory assessments in major markets, including the US and EU, have established safe usage limits, typically up to 4% and 8% respectively. Studies have generally shown it to have low potential for skin irritation and sensitization, meaning it is often well-tolerated by most skin types, including sensitive skin. While some research has explored potential cellular effects under specific laboratory conditions, real-world use at approved concentrations has consistently demonstrated a strong safety record for human skin. Furthermore, its role is not limited to UV absorption; it can also help protect the product formula itself from degrading due to UV light exposure.

NINGBO INNO PHARMCHEM CO.,LTD. sources and supplies 2-Phenylbenzimidazole-5-Sulfonic Acid that meets high purity standards, ensuring formulators can rely on its performance and safety. By understanding the benefits of this versatile ingredient, cosmetic chemists can create innovative skincare products that offer superior sun protection, improved skin feel, and overall enhanced efficacy. For brands looking to elevate their sun care offerings, incorporating 2-Phenylbenzimidazole-5-Sulfonic Acid is a strategic choice for achieving both performance and consumer satisfaction.