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5 Written questions

5 Matching questions

  1. What skin related problems arise directly as a result of sun exposure?
  2. Does a "Broad Spectrum UVA / UVB" sunscreen guarantee total UV protection?
  3. What is the Stratum Corneum [from L. "stratum" = layer, "cornus" = horn] ?
  4. What is a humectant?
  5. ...
  1. a When the skin is exposed to UV radiation, Melanocytes (Melanin producing cells in the skin) produce increased amounts of the skin pigment Melanin as a mechanism of defense to help arrest radiation damage to the skin's cellular structures and DNA.
  2. b 1. discoloration of the skin / uneven skin tone (hypopigmentation or hyperpigmentation, decrease or increase in skin pigment) 2. uneven pigmentation (solar lentigo / age spot, either brown, red or black in color) 3. dullness, rough texture (leathery skin) 4. dryness 5. wrinkles (fine lines and deeper wrinkles) 6. actinic keratosis (a precanerous overgrowth of skin caused by excess sun exposure) 7. rosacea 8. melasma (dark irregular patches on the face commonly caused by pregnancy) 9. thinning of the skin (visible veins, broken blood vessels) 10. brown bumps, white bumps (blackheads, whiteheads)
  3. c The horny outer layer of the Epidermis, consisting of several layers of flat, keratinized (replete with the protein keratin thus becoming horn-like in texture), nonnucleated, dead or peeling cells. [http://dictionary.reference.com/browse/stratum+corneum?s=t]
  4. d No. The statement is vague and does not clearly specify if both Long-Wave and Short-Wave UVA radiation is blocked. The informed consumer will LOOK at the ingredients.
  5. e A substance that absorbs moisture [from Latin "umectare" = to moisen]

5 Multiple choice questions

  1. Cliniderm Protective Lotion SPF 45 : Titanium Dioxide USP 6.6%, Zinc Oxide USP 6.1% (does NOT whiten skin!) , Blue Lizard Sensitive SPF 30+ : Titanium Dioxide 5%, Zinc Oxide 10% (bottle changes color when exposed to UV light!), Ombrelle Face SPF 60 : Octocrylene 10%, Titanium Dioxide 4.15%, Avobenzone 3.5%, Mexoryl XL 3%, Mexoryl SX 3% [DOES whiten skin some], Eco Sunscreen Face SPF 30+ : Zinc Oxice 20% [NOT tested on animals! does whiten skin though]
  2. A mixture of molecules (amino acids and salts) within the cells comprising the outermost layer of the skin. The molecules are hygroscopic [Greek. "hygro" = wet, "skopion" = to look at], attracting and absorbing water, thus hydrating the skin. [www.clinuvel.com]
  3. Another term for freckles. They are typically associated with red hair and fair skin. The MC1R gene is believed to be the gene responsible for freckles and it is closely associated with red hair and fair skin.
  4. Between 10 am and 4pm
  5. Generally speaking, BHA is a stronger exfoliant than AHA. It can exfoliate more vigorously, but presents greater risk of burning and damaging the skin. BHA can penetrate into the pores of the skin and exfoliate dead skin cells from inside the pores, which AHA cannot.

5 True/False questions

  1. What is the Epidermis?The outer layer of skin which helps the skin retain moisture. The skin barrier is like a brick wall, with each brick (or cell) held in place by mortar (fats called lipids).

          

  2. What is an effective treatment for Sebaceous Hyperplasia?BHA at 9%. [Cosmetic Cop Podcast, July 18th, 2012]

          

  3. Besides wrinkles, what is another skin problem which significantly detracts from the face and skin's appearance?1. discoloration of the skin / uneven skin tone (hypopigmentation or hyperpigmentation, decrease or increase in skin pigment) 2. uneven pigmentation (solar lentigo / age spot, either brown, red or black in color) 3. dullness, rough texture (leathery skin) 4. dryness 5. wrinkles (fine lines and deeper wrinkles) 6. actinic keratosis (a precanerous overgrowth of skin caused by excess sun exposure) 7. rosacea 8. melasma (dark irregular patches on the face commonly caused by pregnancy) 9. thinning of the skin (visible veins, broken blood vessels) 10. brown bumps, white bumps (blackheads, whiteheads)

          

  4. How long does the Cell Cycle take?Between 26 to 42 days. [Skin Type Solution, 18]

          

  5. Why is scrubbing skin damaging?A type of polysaccharide, central to regulating cell growth and renewal. Found extensivelsy in connective, epithelial and neural cells. Binds readily with water and when injected under the skin provides an appearance of fullness

          

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