Best Fabrics for Babies With Sensitive Skin & Eczema

The short answer: For sensitive or eczema-prone skin, choose soft, breathable natural fibers — organic muslin cotton is the gentlest, followed by other 100% cotton. Avoid polyester, fleece, and synthetic blends, which trap heat and moisture and are common irritation triggers.

Why natural fibers win

Sensitive skin reacts to two things above all: friction and trapped heat. Synthetic fabrics like polyester fleece don't breathe — they hold warmth and sweat against the skin, and that damp, warm environment is exactly what aggravates eczema. Parents who track flare-ups often find the culprit isn't a detergent or a print; it's a non-breathable fabric worn against the skin.

What to look for

• 100% organic cotton muslin (mulmul). An open, airy weave that gets softer with every wash and lets skin breathe. The gentlest option for newborns.
• Standard 100% cotton. Breathable and widely available; a solid everyday choice.
• OEKO-TEX / organic certification. Means no harsh dyes or finishing chemicals against the skin.

What to avoid

• Polyester and fleece — non-breathable, heat-trapping, common irritants.
• Synthetic blends marketed as "soft" — they can feel plush but still trap moisture. Many "muslin-style" baby blankets are secretly poly/rayon blends, so always check the label.
• Rough or stiff weaves, even in cotton.

A simple rule

If it doesn't breathe, it doesn't belong against eczema-prone skin. Everything MulmulBaby makes is 100% organic mulmul cotton — no synthetics, no harsh dyes — chosen specifically because it's the fabric least likely to irritate a newborn. Start with the Newborn Gift Set for swaddles, bibs, and burp cloths in one.

General information, not medical advice. For persistent or severe eczema, consult your pediatrician or a dermatologist.