A Renaissance-style painting showing a close-up of a woman’s hands placing a sanitary pad onto a pair of white cotton underwear laid out on a wooden table, with a mortar and pestle, books, and small objects in the background.
Periods and PMSPhysical Health

How Nua Lives Up To Its Zero Irritation Promise

4 Mins read

If you’ve ever dealt with itching, rashes, or redness during your period, you know it’s not just uncomfortable, it feels unfair. Periods are tough enough without your sanitary pad adding to the problem. That’s why Nua’s Zero Irritation Promise isn’t just a catchy tagline, it’s a science-backed commitment to making periods less painful, more comfortable, and truly rash-free.

So, let’s dive into how exactly we make that promise real, from ingredient safety menstrual pads to menstrual product testing, and why our approach to menstrual hygiene product design is changing the way people think about comfort during their cycle.

The Hidden Irritants in Many Pads

Here’s the truth, most pads you find in the market aren’t made with your skin’s safety in mind. Many contain chemicals like phthalates and volatile organic compounds (VOCs). These are often added as fragrances, adhesives, or to boost absorbency. Research shows that VOCs can increase the risk for neurocognitive impairment, asthma, congenital disabilities, and even certain cancers. Phthalates, in particular, easily leach out and enter the body through inhalation, ingestion, or dermal absorption. Once inside, systemic exposure has been linked to harmful effects on the cardiovascular, reproductive, and endocrine systems. Animal studies also suggest that phthalates may disrupt menstrual cycles. All of this makes their exclusion from pads not just preferable, but absolutely essential.

This is why so many people end up searching for rash free sanitary pads after one too many bad experiences. Skin in intimate areas is thin, delicate, and highly absorbent, which means it reacts quickly to irritants. What should have been a day of getting through cramps and cravings also turns into a battle against painful rashes.

And honestly? That’s unacceptable.

Why Ingredient Safety Matters

Pads are intimate products, they stay in contact with some of the most sensitive skin on your body for hours at a time. That’s why ingredient safety in menstrual pads isn’t optional, it’s essential.

Imagine applying a chemical adhesive or a synthetic fragrance directly on your arm for 6–8 hours. You’d probably get redness or itching, right? Now imagine that on thinner, more sensitive genital skin. That’s why many people experience irritation with conventional pads.

By removing every known irritant, Nua pads become rash free sanitary pads in the truest sense. Not just in marketing, but in lived experience.

Why Nua Pads Are Different

Unlike conventional pads, Nua pads are dermatologically tested period products that are free of phthalates and VOCs. Our ingredient list doesn’t just skip a few questionable compounds, we eliminate over 25 common chemicals that are known to cause skin irritation. 

Chemicals Nua Pads Do Not Contain:

  • Acetone
  • Benzene
  • Bis (2-methoxyethyl) Phthalate
  • Butyl Benzyl Phthalate
  • Chloroform
  • Di Butyl Phthalate
  • Di-2-Ethyl Hexyl Phthalate
  • Diethyl Phthalate
  • Di Iso Decyl Phthalate
  • Di Iso Nonyl Phthalate
  • Di Iso Pentyl Phthalate
  • Di Iso-Butyl Phthalate
  • Di Pentyl Phthalate
  • Di-n-Hexyl Phthalate
  • Di-n-Octyl Phthalate
  • Dimethylchloride
  • Methanol
  • Meta Cresol
  • Meta Xylene
  • N-Pentyl-Iso Pentyl Phthalate
  • Naphthalene
  • Ortho Cresol
  • Ortho Xylenes
  • Para Cresol
  • Para Xylene
  • Styrene
  • Toluene
  • and more.

Instead of layering pads with toxins disguised as “fragrance” or “adhesive enhancers,” we’ve built our comfortable menstrual pads on three simple principles:

  1. Toxic-Free Materials: Every material is carefully screened to avoid harmful chemicals.
  2. Layered Pad Technology: Soft top layers, ultra-absorbent cores, and leak-proof barriers work together without compromising skin comfort.
  3. Rigorous Testing: Our pads go through stringent menstrual product testing and sensory trials to ensure they’re as gentle as possible.

This isn’t just pad-making, it’s the sanitary pad innovation process done right (more on our design and innovation process here).

Blog continues after the image

A bright coral backdrop with pink clouds surrounding a woman smiling confidently while holding a box of Nua Complete Comfort Pads against her chest. Bold white text on the left says “Zero leaks, zero irritation for every kind of flow,” with a white “Shop Now” button below.

The Science Behind Zero Irritation

When we say zero irritation pads, we back it with testing that goes beyond surface-level promises.

  • International Standards Compliance: Every Nua pad undergoes laboratory testing as per ISO Standard 14389. This ensures complete absence of phthalates and VOCs.
  • Independent Verification: Beyond our own checks, ISO-accredited labs test our products through friction and sensory trials. Because comfort isn’t just about what’s inside, it’s also about how it feels against your skin.
  • Holistic Pad Design: Our menstrual hygiene product design philosophy treats the pad like a wearable product. Every layer, texture, and adhesive strip is optimized for comfort.

That’s why we can confidently say our pads are zero irritation promise products, because science proves it.

What Layered Pad Technology Means for You

We’ve talked about layered pad technology, but what does it actually mean? Think of it as an orchestra of layers, each doing its part.

  • Top Layer: Feather-soft, breathable, and gentle on skin. This is the layer that decides whether you’ll feel itchy or comfortable.
  • Absorbent Core: Designed to lock in fluid instantly, preventing wetness that can lead to irritation.
  • Leak-Proof Bottom Layer: Keeps your clothes safe while still being breathable enough to prevent damp heat buildup.

It’s not just science, it’s design with empathy. The result? Comfortable menstrual pads that don’t feel like cardboard, don’t bunch up, and don’t leave you running to the bathroom every hour.

Beyond the Lab: Real Comfort in Real Life

Here’s the thing, you don’t buy a pad for its lab certifications. You buy it because you need something that makes your period easier to deal with.

That’s why beyond menstrual product testing, we also focus on how our pads feel in everyday life:

  • Do they stay soft even after hours of wear?
  • Do they prevent chafing when you’re moving around?
  • Do they hold up on heavy flow days without making you anxious?

The answer, across the board, is yes. Because comfortable menstrual pads should meet your needs on your busiest days, not just in a sterile test environment.

The Zero Irritation Promise: Innovation That Puts You First

When we talk about the sanitary pad innovation process, it’s not about reinventing the wheel, it’s about reinventing priorities. For decades, pads have been designed for performance metrics like absorbency and leak-proofing, but comfort and safety were often sidelined.

Nua flips that script. For us, safety and comfort come first. We believe dermatologically tested period products should be the industry standard, not a rare find. Our zero irritation promise products are proof that it’s possible to design pads that meet both performance and safety benchmarks without compromise.

At the heart of it, our philosophy is simple:

  • Zero shortcuts: We don’t cut corners on testing or materials.
  • Zero compromises: Comfort doesn’t come at the cost of performance.
  • Zero irritation: Because your skin deserves care, not damage.

When you choose Nua, you’re choosing zero irritation pads that are designed with you in mind—from the menstrual hygiene product design phase to the final pack on your shelf. You’re choosing rash free sanitary pads that give you one less thing to worry about when you’re already dealing with cramps, bloating, or fatigue.

And most importantly, you’re choosing a brand that puts your health and comfort first.

Zoya Sham
108 posts

About author
Zoya is the Managing Editor of Nua's blog. As a journalist-turned-brand manager-turned-content writer, her relationship with words is always evolving. When she’s not staring at a blinking cursor on her computer, she’s worming her way into a book or scrolling through the ‘Watch Next’ section on her Netflix.
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