12 Best TCF and ECF Diapers From Our Tests

See how TCF and ECF diapers from Bambo Nature, Coterie, HealthyBaby, Kudos, and other brands performed in our tests—plus, learn more about what these acronyms really mean

By Jessica D’Argenio Waller, MS, CNS, LDN, CPST
Baby & Health Writer

June 17, 2026

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grid of three images with Pura Baby Diapers for Sensitive Skin and HealthyBaby Our Diapers on light orange backgrounds and baby wearing Cuties Complete Care Diapers running through kitchen — TCF and ECF are acronyms you might see on diaper packaging: They stand for "total chlorine free" and "elemental chlorine free," respectively, and refer to processes used for bleaching the pulp in a diaper’s absorbent core. Clockwise from top left: Pura, Cuties, HealthyBaby.

Are TCF diapers worth the extra cost compared with ECF diapers? Both acronyms refer to the type of bleaching used in creating a diaper’s absorbent core: the fluff or pulp inside that helps soak up liquids. While ECF (elemental chlorine free) is now a common manufacturing process for disposable diapers, TCF (total chlorine free) is often presented as a more sustainable and health-conscious alternative. And a recent Consumer Reports analysis found that you’ll definitely pay more for TCF diapers.

In our evaluation of 31 diaper brands, we found that diapers from companies that use a TCF process were about 1.5 times as costly as the least expensive disposable diaper in our ratings. But are they actually better for the environment or for your baby’s delicate skin?

Here’s what to know about the differences in TCF vs. ECF diapers, plus see the best TCF and ECF diapers from CR’s lab tests for absorption and dryness.

What’s the Difference Between TCF and ECF Diapers?

First, a little history: Until the 1960s, the primary method diaper manufacturers used for bleaching diaper pulp involved the use of elemental chlorine. But this process also produced dioxins, a harmful byproduct linked to both health and environmental concerns. In 1998, the Environmental Protection Agency issued regulations to reduce dioxin emissions, which pushed many pulp and paper manufacturers to adopt an alternative bleaching method that doesn’t rely on elemental chlorine, known as ECF. This is the bleaching method used by most diaper manufacturers today.

You might wonder why the pulp core of a diaper needs to be bleached at all. Bleaching helps make the pulp material fluffier and more absorbent. The difference between ECF and TCF diapers is in the type of bleach used in this process. The ECF bleaching process incorporates chlorine dioxide, a chlorine derivative (see more below). The TCF bleaching process is completely chlorine-free, and manufacturers instead use hydrogen peroxide, oxygen, or ozone.

Concern about diaper ingredients has been growing for some time, but there’s a lot of misinformation about the differences and benefits of TCF and ECF diapers. Here, we’ll answer a few frequently asked questions.

Are ECF diapers chlorine-free? No. ECF diapers are free of elemental chlorine, but an alternative chlorine compound, chlorine dioxide, is used in the bleaching process. The use of chlorine dioxide in bleaching wood pulp and paper products has now largely replaced the bleaching process that previously used elemental chlorine. Chlorine dioxide is structurally different from elemental chlorine and produces almost no dioxins as a byproduct. It’s often used in water purification and water treatment processes. TCF diapers, as the name suggests, are totally chlorine-free.

Are TCF diapers better for the environment? Because the TCF bleaching process does not use chlorine in any form, the process is considered to be gentler on the environment, in that it produces no dioxins and other environmental toxins as byproducts, which can end up in waterways. If you’re looking to minimize the environmental impacts of toxic chlorine-related byproducts, TCF diapers may be your best choice. But the TCF bleaching process is still energy-intensive, requiring large amounts of water, electricity, and steam, according to one study.

Are TCF diapers better for babies’ skin? Because the part of the diaper that’s bleached is the absorbent core, which is the innermost layer of the diaper, the actual effect on a baby’s skin may be minimal, given that there’s no direct contact between the bleached pulp and baby’s bottom. Still, diapers produced with TCF bleaching may also use more plant-based materials rather than plastic-based ones, which have been shown to contribute to skin issues. Some TCF diapers may also be free from fragrances, lotions, and dyes, which can be gentler on sensitive skin.

Are TCF diapers worth the extra cost? It depends on what you’re looking for in a diaper. The bleaching method used in your baby’s diaper is just one factor to consider when making your choice. CR’s experts also recommend considering the overall cost per diaper and how it aligns with your budget, especially because it’s estimated that a baby will go through 3,000 diapers in the first 12 months alone—and TCF diapers are more expensive. You’ll also want to consider how absorbent your diaper is (see our top-rated choices below) and, potentially, its environmental impact. In our Diaper Buying Guide, we delve into the environmental costs of using cloth diapers vs. disposable diapers.

Does an ‘Eco-Friendly’ Diaper Really Exist?

Diapers are inherently tough on the environment. We evaluated 31 diaper brands for safety and sustainability. See our top choices.

Best TCF Diapers From CR’s Lab Tests

Best ECF Diapers From CR’s Lab Tests

Most diaper manufacturers today that do not specify TCF processing use ECF as a bleaching method, because processes involving elemental chlorine have been phased out.

Why Diaper Materials Shouldn’t Be a Mystery

Until recently, it’s been surprisingly hard to know exactly what your child’s diapers are made of—diaper manufacturers were under no obligation to tell you. But we’ve come a long way in diaper ingredient transparency, thanks in large part to a New York state law that took effect in December 2025, which mandates that all disposable diapers sold in the state include an ingredients label on their packaging.

Similar legislation was introduced in California, supported by Consumer Reports, Children Now, and the Environmental Working Group, and requires diaper manufacturers selling in California to list all ingredients and their purposes both on packaging and online. The dual efforts will give families everywhere more insight into the ingredients in the diapers they use with their children every day—and empower them to make more informed choices.

Jessica D’Argenio Waller, MS, CNS, LDN, CPST

Jessica D’Argenio Waller is a baby and health writer and editor at Consumer Reports, covering a range of topics, from strollers to infant formula to safe sleep practices. Before joining CR in 2025, she was editorial director at Motherly. Jessica is a licensed and board-certified nutritionist and a certified child passenger safety technician, a mom of two, and an avid runner and home cook.