Types of Facial Masks and Their Characteristics
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Questions and Answers

What are the preferred and most common types of masks based on?

  • Smectite and kaolin clay combinations with and without gums and polymers (correct)
  • Facial strips containing fast-drying resins
  • Hydrocolloid and vinyl resin combinations for luxurious feel
  • Wax and latex combinations with healing properties

What is a concern associated with the latex face mask?

  • It provides a luxurious feel and application
  • It may pose a health concern (correct)
  • It has almost miraculous healing powers
  • It is the most common type of mask

What has replaced the vinyl resin masks?

  • Latex face masks
  • Wax masks applied heated
  • Facial strips containing fast-drying resins (correct)
  • Hydrocolloid masks without the luxurious feel

What do the hydrocolloid masks lack compared to clay masks?

<p>Luxurious feel and following (C)</p> Signup and view all the answers

What is an essential characteristic of a contemporary mask according to the text?

<p>It should produce a tightening or therapeutic sensation (D)</p> Signup and view all the answers

Which of the following is NOT an essential consideration in formulating a contemporary mask?

<p>Having an earthy odor (A)</p> Signup and view all the answers

What is a requirement for the feel of skin, hair, or scalp after using a contemporary mask?

<p>No perceptible modification (C)</p> Signup and view all the answers

What characteristic must a contemporary mask NOT possess?

<p>Gritty particles (C)</p> Signup and view all the answers

What are the primary ingredients of a clay mask?

<p>Bentonite and kaolin clays (C)</p> Signup and view all the answers

What have bentonite gels been described as in relation to the skin?

<p>Soothing (D)</p> Signup and view all the answers

What is a significant role of bentonite in dermatological preparations?

<p>Treating acne (C)</p> Signup and view all the answers

What is a characteristic of bentonite in water?

<p>It forms a colloidal dispersion (C)</p> Signup and view all the answers

What is the most significant step in formulating the mask with bentonite?

<p>Proper hydration of the bentonite (D)</p> Signup and view all the answers

What influences the viscosity of the bentonite dispersion?

<p>Addition of electrolytes (B)</p> Signup and view all the answers

What may result from failure to properly hydrate the smectite clay in the mask formulation?

<p>Formula instability (C)</p> Signup and view all the answers

What does bentonite do to suspend particulates in the mask formulation?

<p>Suspends particulates (D)</p> Signup and view all the answers

What is the most significant step in formulating a mask with bentonite?

<p>Proper hydration of the bentonite (B)</p> Signup and view all the answers

What influences the viscosity of the bentonite dispersion?

<p>The addition of electrolytes (D)</p> Signup and view all the answers

What characteristic does bentonite impart to the mask formulation?

<p>Suspended particulates (C)</p> Signup and view all the answers

What may result from failure to properly hydrate the smectite clay in the mask formulation?

<p>Formula instability and separation (C)</p> Signup and view all the answers

Why are rubber-based face masks not currently popular?

<p>They may cause contact dermatitis due to residual accelerators (A)</p> Signup and view all the answers

What is the most serious concern associated with natural rubber latex in face masks?

<p>It can cause severe allergic reactions (D)</p> Signup and view all the answers

What is the purpose of deproteinized natural latex in face mask formulation?

<p>To minimize the risk of allergic reactions (C)</p> Signup and view all the answers

Why are rubber masks not perceived as 'natural'?

<p>Due to the presence of residual accelerators causing contact dermatitis (D)</p> Signup and view all the answers

What is the primary film-former in vinyl masks?

<p>Polyvinyl alcohol (C)</p> Signup and view all the answers

What sensation do vinyl masks not provide, unlike clay masks?

<p>Psychological sensation (A)</p> Signup and view all the answers

What has effectively replaced vinyl masks for pulling out impurities and blackheads?

<p>Hydrocolloid masks (D)</p> Signup and view all the answers

What are contemporary face strips primarily made from?

<p>Hydrocolloid (D)</p> Signup and view all the answers

What is the primary function of hydrocolloid masks?

<p>Providing a sensation of tightness through gel shrinkage (C)</p> Signup and view all the answers

What is the main purpose of adding common humectants to hydrocolloid masks?

<p>Enhancing the film's plasticity (D)</p> Signup and view all the answers

What distinguishes hydrocolloid masks from clay masks?

<p>Lack of sensation of tightness (C)</p> Signup and view all the answers

What contributes to the sensation of tightness provided by hydrocolloid masks?

<p>The shrinking of the gel upon dehydration (D)</p> Signup and view all the answers

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