Olaplex No.6 Bond Smoother For people with curly and wavy hair, or hair that's prone to flyaways, the Olaplex No.6 Bond Smoother ($28) is a solid leave-in product that can be applied to damp or dry hair. It's meant to strengthen and hydrate the hair and can help keep frizz to a minimum for at least three days post-use. Image Source: olaplex.com Olaplex No.6 Bond Smoother $28 from olaplex.com Buy Now