Microplastics in Wet Wipes & Baby Wipes: 99% Are Plastic

What wet wipes are actually made of

Despite what the soft texture suggests, most wet wipes are not paper. They are nonwoven synthetic fabrics manufactured from plastic fibres:

• Polypropylene (PP, #5). 51% of analyzed wet wipes; spunbond nonwoven; used in most cleaning and personal-care wipes.
• Polyester (PET-based). 48% of analyzed wet wipes; sheds the most fibres per gram.
• Rayon / viscose, semi-synthetic; technically wood-derived but processed with chemicals; sheds heavily.
• Polypropylene + polyester blend, most major brands.
• Cotton or bamboo, only ~1% of the global market by volume.

The scale of the problem

Annual global wet wipe production reached approximately 1,237,390 tonnes. Of that, 87.2% was polyester, 12% rayon, and 1% polypropylene by weight (Kim et al. 2025, Journal of Industrial and Engineering Chemistry).

Per-gram shedding rates from controlled lab testing:

A typical baby wipe weighs ~2-3g, meaning each polyester wipe contains roughly 55,000-83,000 potential microplastic particles, and each rayon wipe over a million. For a baby using ~10 wipes per day, that's lifetime cumulative exposure worth considering.

The skin contact problem

Unlike many other plastic products, wet wipes are applied directly to delicate skin, including infant skin, perineal skin, eye area, and sometimes mouth (for face wipes). Three concerns:

1. Direct fibre transfer. Friction during use deposits microplastic fibres onto skin and into pores.
2. Chemical migration. The wet solution (preservatives, surfactants, fragrance) can carry plasticisers from the fibre into skin.
3. Infant absorption. Newborn skin barrier is more permeable than adult skin, chemical absorption is higher per gram of contact.

The “flushable” lie

Wipes marketed as “flushable” are still typically made of polyester or polypropylene with marginal improvements in disintegration. Most wastewater utilities, including UK Water and the US Water Environment Federation, recommend against flushing any wipe. They clog pipes, contribute to sewer fatbergs, and shed microplastic into wastewater that bypasses treatment.

A 2026 phys.org-reported study found that improperly disposed wet wipes are a major source of riverine microplastic pollution, wet wipes were the second most abundant manufactured litter type in river samples after plastic bags, making up ~25% of collected litter.

Wet wipe brand comparison

The cleanest wet wipe routine

1. Use reusable cotton cloth wipes for baby changes. 12 cloth wipes + a small jar of water (or water + a drop of plant-based castile soap) is the gold-standard alternative. Wash with regular laundry.
2. For travel or daycare, choose 100% bamboo or plant-based viscose wipes (Caboo, Eco by Naty, WaterWipes plant-based).
3. For surface cleaning, use a microfibre cloth + cleaner spray instead of disposable cleaning wipes.
4. Never flush any wipe, including “flushable” ones. Bin them.
5. For face cleansing, use a washcloth + cleanser instead of disposable makeup wipes.

See related: microplastics in baby products, microplastics and skin absorption, and microplastics and children by age group.