According to the appendix in the 2010 study, most commercially available products hardly ever contain over 1 % aloe. So seeing as the same study noted a slight enhancing effect of the photo carcinogenic activity of SSL at 3 % and 6 %, we should not worry.
Hi Chris - sorry for this delayed reply! Thank you for your inout and kind words. This was an interesting subject to revisit and has actually given me the background I need to answer your other question (about how I research).
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Great post Lise!