BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

Solutions

Chapter
Section
BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 15, Problem 27E
Textbook Problem
1 views

How can hair be lightened and darkened?

Interpretation Introduction

Interpretation:

The statement, “Hair can be lightened and darkened,” is to be explained.

Concept Introduction:

A pigment is a group of compounds that have intense color. The pigment is found in any type of biological system such as hair, skin, eyes. Hair contains melanin and phaeomelanin pigments.

Explanation of Solution

By several different treatments, hair pigments are converted into light color or dark color. To darken the hair, a synthetic pigment is used to give the desired color to hair by a simple process. Since the molecules of synthetic pigment are large, they only cover the surface of hair strands. In this type of hair treatment, hair color is temporary and after several shampoos, the hair color will wash out. But, in permanent coloring of hair, two or more than two components are applied to the hair...

Still sussing out bartleby?

Check out a sample textbook solution.

See a sample solution

The Solution to Your Study Problems

Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!

Get Started

Chapter 15 Solutions

Chemistry In Focus
Show all chapter solutions
add
Ch. 15 - What are the problems associated with using soap...Ch. 15 - What are the advantages of synthetic detergents...Ch. 15 - What is the difference between ABS synthetic...Ch. 15 - Explain the differences between anionic...Ch. 15 - What kinds of surfactants are used in todays...Ch. 15 - What is a builder?Ch. 15 - Why is sodium tripolyphosphate no longer used as a...Ch. 15 - Define eutrophication.Ch. 15 - What substances have replaced tripolyphosphate in...Ch. 15 - Explain the role of each substance in...Ch. 15 - What are the active ingredients in drain cleaners,...Ch. 15 - What are the active ingredients in toilet bowl...Ch. 15 - Why should drain cleaners and toilet bowl cleaners...Ch. 15 - What are the three types of interactions that...Ch. 15 - Explain why allowing hair to dry in curlers...Ch. 15 - Explain why high pH will damage hair.Ch. 15 - Explain how permanent curling of hair is...Ch. 15 - Why are shampoos more effective in cleaning hair...Ch. 15 - What is the purpose of hair rinses or...Ch. 15 - What pigments are responsible for the color of...Ch. 15 - How can hair be lightened and darkened?Ch. 15 - Why is it important for skin to be moist, but not...Ch. 15 - What are the main ingredients in creams lotions?...Ch. 15 - How do sunscreens protect your skin from the Suns...Ch. 15 - What are the main ingredients in lipstick?Ch. 15 - What are the main ingredients in facial...Ch. 15 - Explain what is happening with molecules in the...Ch. 15 - What kinds of fragrances are used in perfumes? Are...Ch. 15 - Explain the three notes in a perfume and the kinds...Ch. 15 - What is the cause of body odor?Ch. 15 - How do deodorants help eliminate body odor?Ch. 15 - How do antiperspirants work?Ch. 15 - Define each term: a. monomer b. polymer c....Ch. 15 - What are the main uses of high-density...Ch. 15 - What are some of the uses of polypropylene,...Ch. 15 - Explain why Teflon resists sticking and chemical...Ch. 15 - Define each of the following: a. thermoplastic b....Ch. 15 - What are each of the following polymers used for?...Ch. 15 - Sodium stearate is a soap with the molecular...Ch. 15 - Sodium palmitate is a soap with the molecular...Ch. 15 - The salt bridges that hold hair protein (keratin)...Ch. 15 - Draw the structure of a salt bridge between two...Ch. 15 - The hydrochloric acid present in toilet bowl...Ch. 15 - Suppose you ran out of toilet cleaner in your...Ch. 15 - When air cools at night, water often condenses out...Ch. 15 - When relative humidity is high, sweat does not...Ch. 15 - A certain perfume tends to lack a top note. What...Ch. 15 - A certain perfume tends to lack a bottom note....Ch. 15 - Draw a section of the polyethylene polymer about...Ch. 15 - Draw a section of the polyethylene polymer about...Ch. 15 - Give the structure of the monomer from which the...Ch. 15 - Give the structure of the addition polymer that...Ch. 15 - Give the structure of the condensation copolymer...Ch. 15 - Give the structure of the condensation copolymer...Ch. 15 - You are planning a backpacking trip and notice...Ch. 15 - One of the advantages of polymers is their...Ch. 15 - Which of the following detergent molecules are...Ch. 15 - What is wrong with this molecular picture of a...

Additional Science Textbook Solutions

Find more solutions based on key concepts
Show solutions add
Concerning ulcers, which of the following statements is not correct They usually occur in the large intestine. ...

Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)

How can errors in the cell cycle lead to cancer in humans?

Human Heredity: Principles and Issues (MindTap Course List)

What is the monomer of a nucleic acid macromolecule?

Biology: The Dynamic Science (MindTap Course List)

It is possible to shoot an arrow at a speed as high as 100 m/s. (a) If friction can be ignored, how high would ...

Physics for Scientists and Engineers, Technology Update (No access codes included)

Anticodons pair with ___ . a. mRNA codons b. DNA codons c. RNA anticodons d. amino acids

Biology: The Unity and Diversity of Life (MindTap Course List)