Tackling the Clear, Sulfate-Free Formulation Challenge 

Expert author Priscilla Taylor discusses the challenge of formulating products that must meet certain 'free-of' requirements. 'Sulfate-free' products have become widely popular, but it can be difficult to maintain clarity and achieve viscosity targets without polymeric thickeners. She also addresses gums, carbomers, cellulose derivatives, Sodium Chloride, Betaines, Hydroxysultaines, Alkanolamides and Amine Oxides, foam boosters and viscosifiers.