Benzenesulfonic acid is used for surfactant enhanced oil recovery (SEOR), also known as surfactant flushing. Surfactant use allows for enhanced recovery of large volumes of LNAPL
Sulfonic acids are strong acids. They are commonly cited as being around a million times stronger than the corresponding carboxylic acid.
The second major benefit for your skin is that the derivative hydroxyethyl piperazine ethane sulfonic acid works enzymatically to break apart dead skin cells. ... Sulfonic acid will keep your skin clear and smooth, helping you avoid common skin ailments like acne, dryness, and itchiness.