🔥 Can I Wash Period Pants at 40 Degrees?

What Temperature is Best and How to Care for Them Without Ruining Absorbency

Period pants (also known as period underwear) are a convenient, eco-friendly, and hygienic way to manage your period—but one of the most common questions people ask is:
“Can I wash my period pants at 40°C?”
Let’s break down the answer, and how to keep your period underwear fresh, clean, and long-lasting.

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🩲 So… Can You Wash Period Pants at 40°C?

✅ Yes, you can wash period pants at 40°C—but it depends on the brand and material.

Most period underwear is made with multiple layers of specialized fabrics:

• A moisture-wicking top layer

• An absorbent core

• A leakproof barrier (often made of polyurethane or similar)

Washing at 40°C is generally safe for most brands, but too much heat over time can weaken the leakproof layer or damage delicate elastic. Always check your care label first.

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📌 General Washing Guide for Period Pants

Whether you're washing at 30°C or 40°C, here's the ideal routine:

1. Rinse After Wearing

As soon as you take them off, rinse in cold water to remove excess blood and prevent stains.

2. Machine Wash on Gentle Cycle

Use a mild, fragrance-free detergent.
👉 Most brands, including NYX Collection, recommend washing at 30–40°C max.

3. Avoid Fabric Softeners & Bleach

These can clog the absorbent core or damage waterproof layers.

4. Air Dry Only

Do not tumble dry. Heat from dryers can warp the waterproof lining and reduce effectiveness.

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🔍 What Happens If You Always Wash at 40°C?

• 🧼 Better stain removal: Warm water can help break down blood and oils more effectively.

• ⚠️ Faster wear and tear: Over time, repeated 40°C washes can shorten the lifespan of elastic and waterproofing materials.

• 💧 Leak protection may weaken: Especially if you also use a dryer or harsh detergents.

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🌡️ Should You Wash Period Pants at 30°C or 40°C?

💡 Tip: You can alternate—wash at 30°C most of the time, and do a deeper clean at 40°C once in a while if needed.

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🧼 NYX Period Underwear Care Tip

The NYX Collection recommends:

• Rinse cold

• Machine wash in cold or warm water (max 40°C)

• Hang dry

• No bleach or softeners

This keeps your underwear clean and preserves their function for up to 3+ years of use.

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🚫 What to Avoid:

• ❌ Washing above 40°C

• ❌ Using the dryer

• ❌ Using bleach or harsh chemicals

• ❌ Leaving used pairs unwashed for too long

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✅ In Summary

Yes, you can wash period pants at 40°C, but it’s best to do it occasionally, and only if the care label allows it.
Stick to cold or warm washes most of the time, air dry always, and use a gentle detergent to keep them fresh, hygienic, and long-lasting.