30.
Roll out 4 g of white 20/80 FP/SP mix and place it* on the head to cover the marked shape. Smooth it.
* Don't use any glue, otherwise glue marks will show through the thin, white paste. The underside of the rolled out paste should be slightly sticky so it should stick by itself. If not, you can try steaming the underside a little (it will make it sticky). Use a steamer or a kettle/pan with boiling water. Be careful not to burn yourself.
* Don't use any glue, otherwise glue marks will show through the thin, white paste. The underside of the rolled out paste should be slightly sticky so it should stick by itself. If not, you can try steaming the underside a little (it will make it sticky). Use a steamer or a kettle/pan with boiling water. Be careful not to burn yourself.