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How much sunscreen should I apply?

9th March 2018

Several research studies have shown that most people don’t apply enough sunscreen to get the factor rating that’s on the bottle. In fact, most people put between a quarter and half as much as they should.

The SPF rating is the number of times longer the skin withstand UV radiation if that product is applied. SPF ratings are calculated in scientific studies in which 2mg of sunscreen is applied to every square centimetre of skin.

This means, to get an equivalent sunscreen rating, you also need to apply 2mg of sunscreen to every square centimetre of skin. This can be pretty pretty confusing for most people.

Use our table below to work out how much sunscreen is needed to get enough protection from the sun to prevent skin cancer.

How-much-suncreen-to-apply

Belgravia Dermatology provides

  • A full skin and mole check service to detect issues on the skin before problems arise
  • Removal of moles for histological analysis
  • Treatments to prevent skin cancer
  • Excision of skin cancers
Applying-sunscreen
Sajjad Rajpar

Author Sajjad Rajpar

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