What is a Sunscreen?

  • Protects by forming thin coat.
  • Effective for  approx. 2 to 3 hrs.
  • No effects on anti ageing process.

What is a Sunblock?

  • Stops UV radiations.
  • Effective for approx. 5 hrs.
  • Can be applied just before sun exposure. 
  • May result in osteoporosis.

Know More About Sun Protection Formula (spf)

  • Normal people with no treatment: 5 spf
  • People  undergoing skin treatment: 30 to 50 spf

Values may defer according to preferences of physician

Contents of Spf

  • Salicyclates (UV B protection).
  • Cinnamates (UV B protection).
  • Benzoferrones (UV A protection)(may lead to allergy).
  • Benzylmethane (UV protection both A & B).
  • Physical blockers (zinc oxide, titanium oxide)(sunblocks).   

Know More About Tan Protection Formula (tpf)

Contents

  • Hydroquinine
  • Retinol

Indications

  • Melasma
  • Tanning

Contraindications

  • Fair skin
  • Allergy