Podcast
Questions and Answers
What is the primary purpose of shampoo?
What is the primary purpose of shampoo?
What is a solute?
What is a solute?
Which type of shampoo is designed to not strip natural oils from the hair?
Which type of shampoo is designed to not strip natural oils from the hair?
What is the function of a surfactant in a shampoo?
What is the function of a surfactant in a shampoo?
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What distinguishes suspensions from solutions?
What distinguishes suspensions from solutions?
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What do therapeutic medicated shampoos primarily contain?
What do therapeutic medicated shampoos primarily contain?
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What is a solution in the context of chemistry?
What is a solution in the context of chemistry?
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What is the primary function of a solvent in a solution?
What is the primary function of a solvent in a solution?
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What type of conditioner is designed to restore moisture and protein to the hair?
What type of conditioner is designed to restore moisture and protein to the hair?
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What is the primary function of a surfactant in a mixture of oil and water?
What is the primary function of a surfactant in a mixture of oil and water?
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What term is used to describe a mixture of two or more substances that are not uniformly mixed?
What term is used to describe a mixture of two or more substances that are not uniformly mixed?
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Study Notes
Shampoo
- Removes dirt, oil, perspiration, and skin debris from the hair and scalp
Solution Chemistry
- A solution is a stable, uniform mixture of two or more mixable substances
- Formed by dissolving a solid, liquid, or gaseous substance in another substance
- Solvent is a substance, usually a liquid, that dissolves the solute to form a solution
- Water is a common solvent
Surfactants
- Substances that act as a bridge to allow oil and water to mix or emulsify
- Reduce surface tension to mix oil and water
Shampoo Formulations
- Suspensions are formulations in which solid particles are distributed throughout a liquid medium
- Sulfate-Free Shampoos are formulated with little to no sulfates to preserve natural oils in hair
- Therapeutic Medicated Shampoos contain special chemicals or drugs to reduce excessive dandruff
- Treatment or Repair Conditioners are deep, penetrating formulations that restore moisture and protein in the hair
Solution
- A stable uniform mixture of two or more mixable substances
- Formed by dissolving a solid, liquid, or gaseous substance in another substance
Solvent
- A substance, usually a liquid, that dissolves the solute to form a solution
- Plays a crucial role in creating a solution
Surfactant
- A substance that enables oil and water to mix or emulsify
- Reduces surface tension to facilitate mixing of oil and water
Treatment or Repair Conditioners
- Deep, penetrating formulations that help restore moisture and protein in the hair
- Designed to repair and nourish damaged hair
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Description
Learn about the chemistry behind shampoos, including the role of solutes, solvents, and solutions. Discover the differences between regular and sulfate-free shampoos.
