SPF Scout · Blog
Reading sunscreen labels
Posts about what a sunscreen label states, how the record behind it is built, and what the names printed on an ingredient list generally do in a formulation. Every post is written from a stored record and quotes it. Nothing here rates a product or tells you what to buy.
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Methylcellulose: a thickener and stabilizer on the label
Methylcellulose adjusts thickness and keeps a formula from separating. Here is the function on record, the reviewed note, and one printed ingredient list.
10 November 2026
Bemotrizinol (BEMT): the newest sunscreen active in the U.S.
In June 2026 FDA added bemotrizinol to the list of actives a U.S. sunscreen may use, the first addition since the late 1990s. Here is what it is and where to find it on a label.
22 October 2026
Why we built SPF Scout
Sunscreen labels are long and the print is small. Scan the barcode and SPF Scout lays out every ingredient, what each one does, and which of them you asked to flag.
21 October 2026