UV Rays Flashcards
What are the 3 types of UV rays?
- U.V.C - anti bacterial, can cause blindness
- U.V.B - can cause skin cancer, burning ray
- U.V.A - causes photo aging, premature aging
The risk for skin doubles if a person has had 5 or more sunburns? True or False
True
What are the 4 natural body protections against UV rays?
- Hyperketeratosis
- Urocanical
- Melanocytes
- Sebum
State 10 products may cause a photosensitive reaction?
- Antibacterial Agents
- Antidepressants
- Insulin
- Estrogens & Progesterone
- Deodorants
- Perfumes
- Hair products
- Antihistamines
- Antiseptics
- Essential oils
Give 6 examples of photosensitive reactions
- Itching
- Inflammation
- Headaches
- Nausea
- Rashes
- Hives
Define solar elastosis
Collagen is decreased while the amount of elastin is increased and loses its elasticity.
Describe Basil Cell Carcinoma
Non life threatening, most common type of skin cancer
Describe Malignant Melanoma
Most serious type of skin cancer, can be life-threatening
When does a delayed tan begin, reach its peak, and fade?
Begins 10 hours after sun exposure, reaches peak in 4-10 days, and gradually fades, renewed in 30 days
Describe Solar Comedones
Years of sun damaged skin can develop large comedones, mostly on and around the eyelids on upper cheeks
Describe Seborrheic Kertaosis
Surface growths that look like scabs on the skin on the face and torso
Describe Actinic Keratosis
Feels slightly sharp to touch, pink but maybe be flesh-coloured, dry and scaly
What are the 4 factors that make the risk for skin cancer higher?
- Have light coloured skin, eyes, and hair
- Work, play, or exercise in the sun
- Had several bad sunburns in the past
- Family history of skin cancer
How do you apply sunscreen properly?
Coat your face and body, half hour before going outside
Use it liberally (a shot glass amount)
Reapply it often
How does sunscreen and sunblock protect the skin from UV rays?
Sunscreens protect against sunburns, skin cancer, and all forms of sun-induced damage to the skin.
Sunblocks reflect the widest range of UVA and UVB radiation.
Explain the affects of a sunburn
Results in redness, pain, peeling, tightness, dryness, pigmentation, inflammation, and burning. Swelling and blistering takes place as the separation of upper epidermal layers from the lower ones. A sunburn is not the beginning of a tan.
What is an early sign of UV damage?
Hyper pigmentation
Explain APF
Antioxidant Protection Factor - protects against the sun and fights free-radical damage before it happens
What is the cause of Polkiloderma of Civatte?
Condition caused by actinic bronzing to the sides of the face and neck
What would you tell your client that loves to tan but wants treatments for Melasma?
Melasma is caused by sun damage, if treating for Melasma then continuing to tan the treatment will be non effective and come back.
Sun exposure and the harmful effects are cumulative, the damage results from many UV exposures added up over time, causing the skin to appear ______ years older
15-20 years older
Define Mottling
Form of speckled hyper pigmentation
More than 90% of UV rays are able to penetrate a light cloud. True or false.
True
What happens when you let your skin dry in the sun?
Loses the moisture in the skin causing severe dehydration and destruction of elastin fibers
An individual with sensitive skin should use sunscreen or sunblock?
Sunblock because sunscreen can be full of chemicals that can irritate sensitive skin
