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5 Written questions

5 Matching questions

  1. Which skin-care ingredient is the most important?
  2. After applying sunscreen, how much time should you wait before exposure to the sun?
  3. Is Petrolatum safe?
  4. What happens when skin is exposed to a dry environment?
  5. What is Genistein?
  1. a Apply sunscreen 15-20 minutes before exposure to the sun to allow the cream sufficient time to form a proper barrier on the surface of the skin.
  2. b Genistein is a polyphenol found in soybeans and other plants that mimics the action of Estrogen in the body, helping to reduce the production of wrinkles; however, like Estrogen, it also promotes increased pigmentation of the skin.
  3. c Skin produces more NMF, but production takes several days to reach necessary levels, consequently skin may become quite dehydrated. This is why moisturizing is essential in a dry environment. [Skin Type Solution, 19]
  4. d The major concern is the presence of PAH's (Polycyclic Aromatic Hydrocarbons) in unrefined petrolatum. Consumers should look for USP grade Petrolatum (BP in Britain and Ph.Eur in Europe) indicating the petrolatum meets specific purity standards, and buy trusted brands, like Vaseline.
  5. e There is no one particular skin-care ingredient which is more valuable than the rest. "Skin is complicated. Skin requires a cocktail of ingredients." [Paula Begoun, Cosmetic Cop Podcast, July 18th, 2012]

5 Multiple choice questions

  1. Cosmetic companies cannot lay claim to their products having any "Biological Activity" because they would need to be classified as "drugs" by the FDA and be subject to clinical trials.
  2. Causes Free Radical Damage.
  3. Retinol has been proven to reduce fine lines, wrinkles, promote collagen production, accelerate the removal of dead skin cells by increasing the rate at which skin cells divide, consequently preventing the formation of brown spots as Melanocytes cannot produce pigment with the same speed at which skin cells are renewed. [Skin Type Solution, 15]
  4. retinol, retinaldehyde, retinoic acid, epigallocatechin-3-gallate, eicosapentaenoic acid, niacinamide, lecithin, linolenic acid, linolenic acid, phospholipids, carnitine, carnosine, adenosine triphosphate, adenosine cyclic phosphate, palmitoyl oligopeptide, palmitoyl tripeptide-3 (and most other peptides), and pyrus malus (apple) fruit extract []
  5. Physical sunscreens REFLECT sunlight. Chemical sunscreens ABSORB UV light.

5 True/False questions

  1. What happens to skin as it ages?The outer layer of skin get thick, and the underlying layer of skin gets thin, resulting in skin that looks rough and sagging in appearance. [Cosmetic Cop Podcast, July 18th, 2012]


  2. What are Solar Lentigos?Ceramides (Cera = wax) are lipids which form part of the skin barrier.


  3. What are antioxidants?A thickened secretion plugging a duct of the skin, especially of a sebaceous gland [from L. "com" = with, "edere" = eating ; literally = glutton] []


  4. How can parents take advantage of the wood's light?Parents who are concerned about their children's future appearance are advised to take their children (particularly teenagers) to a Dermatologist and allow them to see what their skin will look like in the near future. Hopefully that will communicate to them the folly of sunbathing, tanning beds and sun exposure in general.


  5. What is a humectant?A thickened secretion plugging a duct of the skin, especially of a sebaceous gland [from L. "com" = with, "edere" = eating ; literally = glutton] []


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