Frank Body Caffienated Hair Mask 125mlCaffienated Hair Mask. Mermaid hair is nice and all, but it wont last if it weak: that where my natural Hair Mask comes in. Made with nourishing ingredients to help restore the hair shaft and hydrate the scalp, this two in one formula softens hair instantly and promotes healthier hair over time. It a deep conditioning hair mask that wont leave you greasy or weigh you down. The perfect partner in (hair) crime.