How to Wash & Care for Period Swimwear (2026): A Chemist's Guide to Making It Last
Most period swimwear doesn't wear out — the dryer and fabric softener kill it. The exact wash routine that keeps the gusset absorbent, and why it starts to smell.
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Period Care
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Articles in the Period Care category — fashion, beauty, and women's wellness with a chemist's eye.
Non-Toxic & PFAS-Free Period Swimwear (2026): What the Lab Tests Actually Show — and What They Don't
The PFAS lawsuits were about period underwear — not swimwear, which almost no lab has tested. How to read a "PFAS-free" swimsuit claim, and whose evidence actually holds up.
Best Period Swimwear (2026): A Materials Chemist Ranks the Leak-Proof Suits That Actually Hold
Why does most period swimwear leak on a heavy day? The suits that actually hold, the teen, budget and backup picks, and the "pink puddle" physics other guides skip.
Heavy-Flow Period Swimwear: The Honest Guide (Why You Need a Disc Too)
No swimsuit survives a heavy day-1 alone — the highest-capacity period swimwear, why you also need a menstrual disc, and the double-up that gets you through the water.
How Does Period Swimwear Actually Work? The Pink Puddle Physics, Explained by a Chemist
Does period swimwear actually work underwater? Why it absorbs blood but can't keep pool water out — and what that "pink puddle" really is.
Best Period Swimwear for Teens (2026): A Materials Chemist's Honest Guide
Period swimwear a teen will actually wear — Ruby Love, KT by Knix, Red Drop and a budget pick, ranked on honest pros, cons and real-world limits.
Underswimming: The Drag-Suit Trick Swimmers Use to Train on Their Period
The drag-suit trick competitive swimmers use to train on their period — how underswimming works, and the lowest-drag period bottoms for the pool.
How to Write a First Period Letter (Templates + What to Include)
How to write a first period letter your daughter will keep—mom-to-daughter templates, age-appropriate language, what belongs in a first period kit, and what to avoid.
Period Underwear vs. Pads: Which Is Really the Smarter Choice for Your Cycle in 2025?
A science-backed breakdown of period underwear vs. pads. We compare absorbency, comfort, cost, and health risks to help you make the best choice for your cycle.
The Rise of Period Swimwear: How Beautikini's Leak-Proof Design Works (An Honest Look)
An honest look at Beautikini, the budget Amazon period swimsuit brand — how its leak-proof gusset really works, who it's for (teens, light-to-moderate flow), and where it fits among the better-known options.
Period Underwear: How Does It Really Work? The Science Behind All-Day Comfort
Discover the science behind period underwear. Our expert guide explains how absorbent gussets work, what materials to choose, and how to find the perfect fit for all-day comfort and confidence. Your ultimate guide to sustainable menstrual solutions.
Period Swimwear: The Science & Style Guide (How Leak-Proof Suits Actually Work)
A materials-led deep dive into how leak-proof period swimwear actually works — the absorbent-layer science, the honest "pink-puddle" physics, and a style guide for matching silhouette and flow. Brands compared: Modibodi, WUKA, Knix, The Period Company and more.
How Does Leak-Proof Protection Really Work? The Science Behind All-Day Confidence
Discover the advanced material science behind leak-proof protection. Our 2025 guide deconstructs the 4-layer technology that offers all-day confidence and empowers your freedom, based on real cosmetic lab insights.