A measure used in the manufacturing of plastic salon tools (like combs or hair dryer parts) to determine how easily a polymer flows during production, as detailed on ScienceDirect .
Hair extensions and wigs are worn for 6–12 hours daily. If the MFI is too high (hyper-dense), air cannot circulate, leading to sweat buildup and itching. If too low, the hair sheds rapidly. The optimal MFI balances density with ventilation. what does mfi stand for in hairdressing
So, what does MFI stand for in hairdressing? A measure used in the manufacturing of plastic