Remove the cap and aim the UV sensor located on the top of the bottle, towards the sun. The hue that appears on the sensor reflects the strength of the UV radiation on the UV radiation.
Low, medium, strong or extreme.
On the bottle's side you will find a list of different skin types - see what skin type you are.
Compare the sun chart with the skin type, which you both find on the bottle. Take into account whether your skin has already built up pigments for about a week, or if it is the first sunbathing.
The sun chart shows the time you can spend during a day in the sun with Sun Control.
Vitamin C Booster part of one of the largest studies in Europe. In 2012 we carried out one of the largest studies in Europe. We wanted to know how many women would be interested in receiving a skin analysis, and the effect that our bestselling product, Formula 8001 Vitamin C Booster, had on the skin.