Concluding that the use
Last Fix in soap or shampoo should be heated to 60 degrees first? Because read 10% or more according to the procedure, use the heat first and then blend 300-500 for at least 15 minutes, but 3-5% is a mix.
น้ำหอม does not pass heat. Mix into the last step of rinsing formula. In conclusion, mix
Last Fix which steps must be followed and if
น้ำหอม in Shampoo/soap only 1% should enter
Last Fix how many %?