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Skin Cancer & Beyond the MOHS Treatment
schatzbell posted:
I had MOHS surgery a year ago for a diagnosis of Infiltrative Basal Cell Carcinoma. My dermatologist said with the "infiltrative" part, that meant the skin cancer was a little more fragmented and could possibly require a more extensive MOHS treatment. Glad to say the MOHS went well, and the scar is virtually non-visible.

Forward one year: I'm going on a vacation to FL in a week or so (it's May 1st), and I fully realize how well I need to use the right kind of sun protection (UVA and UVB, I believe ?) ... I even found a sun hat that boasts a 50SPF factor embedded into the material.

But I like to wear foundation, so my question is, after I've applied a suitable sun protection to my face, will wearing a foundation over that lessen the strength or ability of the sun protection to do its job? I know you can't "add up" SPFs (for ex., a facial moisturizer with a 15 SPF, then applying a 25 SPF sunscreen doesn't mean I have 40 SPF working). I also know some foundations have limited SPF, so I think my best protection is going to be a good facial sunscreen first, then the foundation - am I on the right track?
Elizabeth_WebMD_Staff responded:
Hi schatzbell -

You may already be in Florida and I hope enjoying the sun and fun!

You are on the right track, put sunscreen on first then foundation. I also thought you would be interested in these new articles regarding sunscreen -

New Sunscreen Guide: 1 in 4 Products Deemed Safe
Sunscreen Safety: What to Know

Please let us know about your vaca and how your skin fared,
schatzbell replied to Elizabeth_WebMD_Staff's response:
Hello, Elizabeth. Thank you so much for your reply ... and yes, I was in FL when you replied, so I'm just now checking into my earlier question. I did apply the sunscreen (a Neutrogena 55 spf) before applying foundation, and I didn't get a bit of burning on my face (although I also wore a sun hat made of canvas that was evidently infused with a 50 spf factor itself). So long story short, if it's not too late for that, I didn't burn at all, so I and my skin stayed safe in the sun, and still had fun.

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