What is pre perm treatment used for?
The Wella Pre-Perm Treatment prepares hair for perming by supporting the formation of waves whilst simultaneously smoothing hair fibres. Through this smoothing process, Wella Pre-Perm Treatment actively controls the levels of porosity within the hair structure.
How do you use Wella pre perm treatment?
Directions:
- Apply Pre-treatment to dry hair.
- Once this has been absorbed, apply Perm Emulsion.
- Then apply Neutralizer before styling.
- Style hair.
What is a pre perm?
L’Oréal Professionnel Presifon Pre-Perm Treatment prepares hair for permanent wave treatment. It protects hair before and after the treatment. It decreases hair’s porosity, which guarantees better hair condition during permanent wave treatment and it provides regular curls.
When and why is it important to use a pre perm treatment?
When and why is it important to use a pre perm treatment?
| Question | Answer |
|---|---|
| Why do we use pre perm treatments | to even out the hairs porosity |
| Why do we use a post perm conditioning treatment | to close cuticle and return back to its normal PH level |
| Why would we use a brickwork winding technique when perm winding | to avoid partings |
When is a pre perm test curl carried out?
When handling fragile, porous hair or hair with a doubtful history or doubtful previous chemical treatments, it is advisable to perform a pre-perm test curl. The pre-perm test curl will help you determine if there will be any potential problems when carrying out the full perming service.
What is preliminary test curl?
Preliminary Test Curls. Gives you actual processing time needed, and curl results based on the rod size and perm product. Underprocessing. Caused by insufficient processing time of the waving lotion.
How do you use a chemical rearranger?
– Put on protective gloves and begin applying the chemical rearranger to the most resistant area. – Using 1/2 inch sub-partings, apply a generous amount of Care Free Curl Chemical Rearranger to the entire hairshaft, starting 1/4inch from scalp and working out through the ends.
What is pre damping for a perm?
Pre-damping Refers to the method of applying lotion to the hair before winding in perm rods.
How do you carry out a pre perm test?
Elasticity test Before any service on wet hair. Take one or two hairs and mist them lightly with water, then stretch the hair a couple of times between your finger and thumb. Good elasticity means that wet hair should stretch about 30% more than its original length and return when released.
Why is a porosity test carried out?
The porosity test is to determine the condition of the cuticle. Take a few strands of hair. Feel against the cuticle and check if the hair feels rough or smooth. If the hair feels rough it indicates that the cuticles are raised and the hair is more porous, so the hair will absorb moisture quickly.
When should a pre perm test curl be carried out?
Which type of hair requires more processing time?
Texture: describes the diameter of a single strand of hair; coarse, medium, or fine. 1. Coarse: usually requires more processing than medium or fine; may also be more resistant. 2.