PERSON@1 An early alternative method for curling hair that was suitable for use on people was invented in NUMBER@1 by MISC@1 hairdresser PERSON@2 -LRB- NUMBER@2 -- NUMBER@3 -RRB- .

The first chemical treatment for curling hair that was suitable for use on people was invented in the year NUMBER@4 by the MISC@1 hairdresser PERSON@3 -LRB- NUMBER@5 -RRB- .
