28 Mar '15, 5am

Can skin lotions interfere with sunscreen? #Sunscreen

Phil asks… Does using facial oils, from certain brands or in general, under a sunscreen affect how good it works? My skin loves certain oils and in spring/summer I use them during the day underneath my sunscreen. I was wondering if it affected the spf, how good it protects, does the oil dissolve some of the protection of it’s a chemical one? The Beauty Brains respond: There is cause for concern because it is well documented that certain ingredients can interact with sunscreens . Sometimes this interaction is good, sometimes it’s not so good. For example, a chemical known as Mexoryl SX can improve SPF by reducing the photo degradation of certain UV absorbers like Parsol 1789. Iron chelators like vitamin C and E can also slow the breakdown of sunscreens. On the other hand, care must be taken when mixing sunscreens with insect repellants because of interaction with DEET (the ...

Full article: http://thebeautybrains.com/2015/03/28/can-skin-lotions-in...

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