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 conditioner nourishes hair and seals in moisture, while helping to gradually build hair’s immunity against frizz, allowing for easy styling. The result is sleek, glossy styles that last.