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Q: What is a preliminary strand test and why is it used?
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Why should a preliminary strand test be give before the application of a tint?

to determine what effect the tint might have on the hair. without the strand test, if the effect were undesirable, by the time the shampoo and the application were done, it would be too late if there were damage to the hair.


How is a strand test done when coloring hair?

A strand test is done during the coloring process by removing some of the color from a small section of hair in order to check it. A dry towel is used to remove the color and if the hair is not at the desired level, the color is reapplied onto the strand used for the test.


Why and how is a strand test carried out in hairdressing?

how and why do you need to carry out a strand test


What does PSAT stands for?

Preliminary Scholastic Aptitude Test. The SAT part was shortened from Scholastic Aptitude test in 1993.


How is a strand test carried out?

a strand test is carried out after applying colour to a hair. You remove the colour of a strand of the hair to check if you have the desired result (colour)


What is the purpose of performing the preliminary test for blood?

to test for aids


What is a preliminary test?

A test done before to compare with later tests.


What does the reaction in the test tube generate when complementary DNA is made for reading DNA?

When a complementary strand and a coding strand are combined in a test tube the result is a recombinant DNA strand.


Bichemical tests for identification of lactobacillus acidophilus?

the most commonly used biochemical test to identify lactobacillus is carbohydrate fermentation, this is the preliminary screening test and an essential test for the identification of lactobacilli


Why is a strand test done?

A strand test is done to see how strong the hair is, and if the hair will break off or is brittle. - Olivia K R


How would you use the word preliminary in sentence?

The preliminary results of the test were negative, but later results told a different story.


What does preliminary mean in a home drug test?

THC positive.