Does white rain shampoo contain quaternium 15?

Yes, White Rain shampoo contains Quaternium-15, which is a preservative used to prevent microbial growth in cosmetic products. However, it's important to note that formulations can change, so it's advisable to check the ingredient list on the specific product packaging for the most accurate information. If you have concerns about Quaternium-15, consider looking for sulfate-free or preservative-free alternatives.