Hair Relaxers
SKU: 66030575122

Hair Relaxers

Sale price$62.10 Regular price$69.00
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Description

Hair RelaxersScience, Design, and Application The ethnic hair market is one that is growing exponentially almost strictly on the demand of consumers, as opposed to the usual run of what businesss determine to be necessary new product launches. For that reason alone, hair relaxers, a large segment of the ethnic hair market, are big business in and of themselves. This segment is demanding better, more usable products, ones that have fewer harsh side effects and

Science, Design, and Application

The ethnic hair market is one that is growing exponentially almost strictly on the demand of consumers, as opposed to the usual run of what business’s determine to be “necessary” new product launches. For that reason alone, hair relaxers, a large segment of the ethnic hair market, are big business in and of themselves. This segment is demanding better, more usable products, ones that have fewer harsh side-effects and better long-term results, including improved conditioning properties, hair strength retention, and ease of use.

Drawing on his more than two decades of hands-on experience in hair relaxer technology and formulative development, Patrick Obukowho has crafted a well-defined, comprehensive, and quite readable guide to understanding and applying the chemistry of hair relaxers to practical and dynamic formulating. Hair Relaxers: Science, Design, and Application investigates the history of relaxer technology and its present development and application in the following topics:

• Hair, Ethnic Hair, and Hair Relaxer Chemistry

• History and Evolution of Hair Relaxers

• Emulsion Design and Perfecting Emulsions

• Ingredients and Their Role in Relaxer Formulations

• Post-treatment Products and Alternative Straightening Methods

• And more!

About the Author

Patrick Obukowho is president and principal consulting chemist of Advantage Research Lab (ARL), which he founded in 2005 to further his expertise in relaxer technology and explore the science of formulating and designing new ingredients for the ethnic market. Obukowho earned his BS in Chemistry from Chicago State University, and has since garnered more than twenty years of experience in ethnic product formulation and raw material evaluation. He is a member of the “ASK THE EXPERT” panel with the Society of Cosmetic Chemist (SCC), for which he has also conducted courses on Ethnic Product Formulation and Chemistry. He is also a co-holder of several US patents and has numerous publications to his credit.

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SKU: 66030575122

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Chris Wilson
West Palm Beach, US
★★★★★ 5
Good fit.
Size: 89-96158T 1PC
Just what i asked for. It's a direct replacement on my 9.9 mercury outboard.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 11, 2025
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Verified Purchase
Burja
West Palm Beach, US
★★★★★ 4
Good
Size: 89-96158T 2PCS
Good
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Reviewed in the United States on October 26, 2025
P
Verified Purchase
Patrick TTillery
Lake Worth, US
★★★★★ 1
Bad solenoid
Size: 89-96158T 2PCS
One of the cylinders works, and the other cylinder was a bad one. It did not work.
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Reviewed in the United States on August 12, 2025
J
Verified Purchase
Jim M
Los Angeles, US
★★★★★ 4
Metric Hardware
Size: 89-96158T 1PC
Works fine. This has metric hardware, which does not match the other two relays on my vintage mercury outboard. This is not a quicksilver part
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Reviewed in the United States on August 6, 2025
J
Verified Purchase
Jimmy Snow
Charlottesville, US
★★★★★ 5
Boat repair
Size: 89-96158T 2PCS
Excellent for price and quality
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Reviewed in the United States on November 1, 2025

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