Tame unruly frizz for long lasting sleekness With Keratin Drops Infused with keratin drops and our Frizz Immunity Complex, a blend of conditioning ingredients that help to smooth strands, hydrate and restore hair’s natural defense against frizz. This shampoo gently cleanses and fights frizz at its source, while helping to gradually build hair’s immunity against frizz with each use. The result is sleek, glossy styles that last.