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Choosing Right Sun Screen for Photo Protection

Sun Screen is very important for protecting skin from ultra violet rays. Sun Screens regular use can protect skin from

  • Pigmentation
  • Sun Tanning
  • Sun Burn
  • Photoaging
  • Skin Cancers as Malignant melanoma, Basal cell Carcinoma, Squamous cell carcinoma

Ideal Sun Screen should meet following criteria’s

  • It should have SPF > 15
  • It should be water resistant [ 40 minutes or more]
  • It should have CW >370

If you have sensitive skin or Rosacea then Sun screens with physical filters as Zinc oxide and Titanium in nano particle from should be used.

Sun screen should be applied 30 minuted before sun exposure and and continued to be applied every 2 hours

Minimum sun screen to be used should be 1 mg/cm2. On full face a table spoon of sun screen should be used.

Some supplements as Beta carotene, Nicotinamide and fern extract as Polypodium leucomotos,[83] and polyphenols, such as those found in green tea. May have some role in preventing photo dermatitis.

Strategies for Optimizing Sunscreen Effectiveness in Practice

Consider sunscreen application a daily routine, such as brushing teeth.
Apply sunscreen liberally 30 minutes prior to exposure in order to allow time for the sunscreen to be absorbed.
Use a broad-spectrum sunscreen with an SPF 15+. When planning for an extended period of outdoor activity, use a broad-spectrum product with an SPF 30 or above.
Consider a water-resistant product if participating in an activity that involves swimming/sweating.
Reapply sunscreen every 2 hours while outdoors and immediately after swimming or heavy sweating.
Pay particular attention to facial coverage.
Consult with your health-care provider when considering sunscreen coverage in infants <6 months of age.
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