Relation between CIE Standard Erythemal Dose, UV Index and SPF

SUNCERT Tool

 

Le Challenge

Lors d’une exposition solaire, la probabilité d’apparition d’un coup de soleil est en lien directe avec de nombreux facteurs (UV Index, Phototype, Protection solaire, etc.) et la prise en considération de l’utilisation d’un produit solaire est parfois difficile à estimer.

La Solution

A partir du temps d’exposition, de l’UV Index, du Phototype et de la Protection solaire utilisée, cet outil vous aide à déterminer le temps d’apparition d’un érythème et de la probabilité d’atteindre cet érythème en fonction de votre temps d’exposition.

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*Proximity to UV reflective surfaces such as water, white sand or snow can reduce times by up to a factor of 2. Poor sunscreen application can dramatically reduce times too. UV exposure in shaded areas can be up to 50% of full sun exposure.

**This risk will depent of several factors such as sunscreen application, reliability of sun protection performance, location, etc. Therefore, to reduce risk, apply sunscreen generously on all body areas, allow 20 minutes to let sunscreen become effective and reapply every two hours or after any sunscreen stress (water, sweat, sand, etc.). Babies of all skin types should avoid sun.