The cosmetic industry is in constant pursuit of ingredients that deliver enhanced performance and superior user experience. In the realm of sun protection, the development of lightweight, effective, and aesthetically pleasing formulations is key. 2-Phenylbenzimidazole-5-sulfonic acid (CAS 27503-81-7), commonly known as Ensulizole, is a water-soluble UV-B absorber that is revolutionizing how formulators approach sunscreens and UV-protective skincare. At NINGBO INNO PHARMCHEM CO.,LTD., we are proud to be a leading manufacturer and supplier of this advanced ingredient, enabling cosmetic brands to innovate and thrive.
The Evolution of UV Filters in Cosmetics
Traditionally, UV filters have been predominantly oil-soluble, which, while effective, can lead to heavier textures in finished products. The demand for 'lighter-feeling' cosmetics has driven the search for water-soluble alternatives that offer comparable or even superior performance. Ensulizole fits this requirement perfectly. Its ability to dissolve in water allows for its incorporation into the aqueous phase of emulsions, serums, and clear gels, providing a more comfortable and desirable sensory profile for the consumer.
Why Choose Ensulizole? Performance and Advantages
When you decide to buy 2-Phenylbenzimidazole-5-sulfonic acid from our company, you are choosing an ingredient with distinct advantages:
Partnering with a Leading China Supplier
NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to being your trusted partner for high-quality cosmetic ingredients. As a leading manufacturer and supplier in China, we offer competitive pricing, consistent product quality, and reliable global distribution. For businesses looking to innovate with water-soluble UV filters and create next-generation sun care and skincare products, we encourage you to contact us for a quote or sample of our 2-Phenylbenzimidazole-5-sulfonic acid. Embrace the future of UV protection with Ensulizole.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.