Optiphen BSB-N and Optiphen BSP may be classified as mild preservatives due to the choice of organic acids they contain; Conarom H-3 and Conarom P are antimicrobial aromatic substances that, according to the company, have broad-spectrum protection against microorganisms that usually eliminate the need for additional preservatives in formulations.
The Optiphen products are appropriate for skin creams, lotions and gels, and have demonstrated good dispersibility in both oil-in-water and water-in-oil emulsions. ISP recommends their use in natural cosmetic products. The Conarom products can be used in creams, lotions and shampoos.
For more information, visit www.ispcorp.com.