Affiliate disclosure

How PeriodFinder earns revenue

PeriodFinder is free to use, with no account and no paywall. When you click through to a brand's store and buy something, that brand or its affiliate network may pay us a commission. This is our revenue model; it funds the data verification work the site exists for.

In line with FTC guidance, assume any link from this site to a retailer or brand store is an affiliate link. Affiliate links on this site carry a rel="sponsored" attribute, and every monetizable page carries a disclosure line near the buy link.

What it costs you

Nothing. The price you pay is the same whether you click through PeriodFinder or go to the brand directly. The commission comes out of the brand's marketing budget, not your pocket.

Why the data doesn't bend

The site's entire value is that the comparison is neutral, so the wall between revenue and data is structural:

• Size charts and absorbency figures come from each brand's published claims and are graded by the same A/B/C rules for every brand, affiliated or not - the methodology is public.
• Tool results are computed from that data in your browser; there is no mechanism for a paying brand to rank higher in a size or absorbency answer.
• Catalog ordering defaults to objective keys (closest coverage, data-quality grade, price) - never commission rate.
• Brands we have no affiliate relationship with appear in the data on equal footing, and brands with no live store (Proof, Bambody, Skims) keep their comparison pages even though those pages can't earn anything.

Who pays us

Affiliate relationships are being established as the site launches; this page lists the active programs and networks as they go live. Where a brand link is not yet part of a program, it's a plain link - the comparison data is published either way.