Importance of Sun Blocks

Skin Care Facts – Sun Block

  • There are three types of UV radiation (UVA, UVB & UVC).
  • UV radiation results in the production of oxygen free radicals in the cells which causes genetic mutations and cellular damage.
  • Excess UV exposure results in permanent injury.
  • 30 to 50% of burning (UVB) rays occur 11am to 1pm
  • UVA has less variation with the time of day.
  • UV levels are increased with humidity, wind, water, sand and snow.
  • The depletion of the ozone layer has significantly increased UVB and UVC radiation.

Effects Of UV Damage

  • Epidermal (surface) damage.
  • Breakdown of collagen and elastin.
  • Deformation of blood vessels.
  • Age Spots and solar keratosis.
  • Multiple lines and wrinkles.
  • Precancerous lesions.
  • MELANOMA

Physical VS Chemical Sun Blocks

CHEMICAL PHYSICAL
    • Absorb UV light within the skin and carry these chemicals in the bloodstream.
    • Ingredients have been located in the liver 72 hrs after application.
    • Contain some/all of the following PABA ; Octyl methoxycinnamate,

Oxybenzone, Butyl, Methoxydibenzoylmethane, Benzophenone

  • Physically shields skin from harmful UV rays
  • Adhere to the skin surface to provide a protective barrier to UV rays.
  • Act by safely reflecting UV rays (instead of chemically absorbing them).
  • Are very water resistant (however, it is always recommended to reapply every 80mins if rubbed, swimming of after excessive perspiration).
  • Are significantly less allergenic or irritating.
  • Aontain some/all of the following ingredients – Titanium Dioxide, Zinc Oxide, Zirconium Oxide, Avobenzene

CURRENT RESEARCH SUGGESTS THAT ONLY PHYSICAL BLOCKS CAN BE TRUSTED!

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