Questions and Answers
It is not recommended to remove more than what percentage of the hair's natural texture?
What was the pH of early relaxer products?
14
In the early 1900's, the temporary method of hair relaxing was invented by?
Madam C.J Walker
Which phase of relaxing is the most important?
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Which relaxer ingredient requires the use of a base cream on the scalp to prevent irritation?
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What are the four basic relaxer services?
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Which type of relaxer service is performed in selected areas of the head, usually in the nape area or hairline?
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Which type of relaxer service is used on natural, untreated, or virgin hair and straightens up to 85%?
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Which type of relaxer service loosens or relaxes tightly curled hair patterns by up to 50% (also called a chemical blowout)?
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Which type of relaxer service is performed only on new growth to match previously relaxed hair?
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What are the two most commonly used relaxer products?
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The physical phase of a relaxer service involves these four steps: Smoothing or combing, timing and testing, rinsing and blotting, and _________.
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Study Notes
Relaxer Theory Overview
- Avoid removing more than 85% of hair's natural texture to maintain its health and integrity.
- Early relaxer products had a high pH level of 14, indicating significant alkalinity which can damage hair.
Historical Context
- The temporary hair relaxing method was invented by Madam C.J. Walker in the early 1900s, marking a significant development in hair care.
Importance of Phases
- Both the physical and chemical phases of hair relaxing are crucial and should be treated with equal importance during services.
Key Ingredients
- Sodium hydroxide, a strong relaxer ingredient, necessitates the application of a base cream on the scalp to prevent irritation.
Types of Relaxer Services
- Four basic relaxer services include:
- Curl diffusion: Loosens tightly curled hair patterns by up to 50%, also known as a chemical blowout.
- Virgin relaxer: Applied to natural, untreated hair, capable of straightening up to 85%.
- Retouch relaxer: Targets only the new growth to match previously relaxed hair.
- Zonal relaxer: Performed in selected areas such as the nape or hairline for targeted texture adjustments.
Common Products
- The two most widely used relaxer products in the industry are sodium hydroxide and ammonium thioglycolate.
Physical Phase Steps
- The physical phase of a relaxer service comprises four critical steps:
- Smoothing or combing the hair for even distribution.
- Timing and testing to ensure proper processing.
- Rinsing and blotting the hair to remove excess product.
- Neutralizing to restore the hair's pH and prevent further damage.
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Description
Test your knowledge on relaxer theory with these flashcards. Covering essential topics like hair texture, pH levels, and historical figures in hair relaxing methods, this quiz is perfect for students in cosmetology. Enhance your understanding of the relaxing process and its crucial phases.
