HEADS Professional Paris Baby Hair Tonic Essence This product contains Betaine which certified by Paraben Free / Eco-Certified Active / Sles Free SLS Free. Alcohol free formulation. Prevent protein loss from hair. Extra nourishment - vitamin B5 How to use: Thick & healthy hair for the kids! Aster dry towel your kids's hair, apply TONIC ESSENCE directly on the scalp & massage a bit to ensure the absorption.