What is the pH level of your foaming hand wash range? Sara M September 29, 2020 04:07 Updated The pH level of our foaming hand wash sits between 3-6 when at 25degree's celcius. Related articles Why did you launch with a Pay What You Want (PWYW) price? Is the hand wash range vegan friendly? What is the expiry date of foaming hand wash? Does foaming hand wash contain palm oil? Has Thankyou foaming hand wash been dermatologically tested? Comments 0 comments Article is closed for comments.