HygieSoft™ Sanitary Films – Whisper-Quiet Breathable Backsheet for Feminine Care

Kae Hwa’s HygieSoft™ Sanitary Films provide ultra-thin, noise-free protection, ideal for sanitary napkins and panty liners. Offering superior fluid resistance, dynamic breathability, and skin-friendly softness, it is designed to meet the highest feminine hygiene standards and ensure maximum comfort and discretion for everyday wear.

Lightweight
Breathable
Waterproof

HygieSoft™ Sanitary Films

Whisper-Quiet Breathable Backsheet for Feminine Hygiene

HygieSoft™ Sanitary Films – Breathable Sanitary Napkin Backsheet

HygieSoft™ Sanitary Films are soft, lightweight breathable backsheet materials developed for sanitary napkins, panty liners, and other feminine hygiene applications.

Through precision cast-film technology and a controlled microporous structure, HygieSoft™ allows moisture vapor to pass through while maintaining reliable resistance to liquid penetration.

Its flexible, low-noise construction helps brands develop thinner, softer, and more discreet sanitary products with a comfortable cloth-like feel.

Core Advantages

Whisper-Quiet Performance Flexible film construction helps reduce noise generated by bending, folding, and friction during everyday movement.
Ultra-Thin & Lightweight Lightweight breathable film options support ultra-thin sanitary napkin and panty liner designs with reduced material bulk.
Breathable Micro-Climate The microporous structure enables moisture-vapor transmission to help reduce heat and humidity accumulation during extended wear.
Soft Cloth-Like Touch When laminated with selected nonwoven materials, HygieSoft™ provides a softer and more textile-like hand feel.
Reliable Fluid Resistance Controlled microporous film engineering provides a dependable backsheet barrier while maintaining breathable performance.
Custom Lamination Design Film weight, nonwoven selection, surface texture, color, and laminate construction can be adjusted for different hygiene product requirements.

Whisper-Quiet Breathable Backsheet Technology

HygieSoft™ combines film engineering and nonwoven lamination to balance the key performance requirements of modern feminine hygiene backsheets.

Microporous Film Controlled pore structure supports moisture-vapor transmission while resisting liquid penetration.
Soft Nonwoven Selected nonwoven substrates provide improved softness, tactile comfort, and cloth-like appearance.
Surface Control Embossing and texture options can be used to adjust appearance, hand feel, flexibility, and friction characteristics.

By optimizing the interaction between film basis weight, microporous structure, surface texture, and nonwoven lamination, HygieSoft™ helps manufacturers develop backsheets that feel softer and quieter while maintaining the necessary breathable barrier performance.

HygieSoft™ Design Principle

“Softness, low noise, breathability, and reliable liquid protection — engineered into the sanitary backsheet.”

Application Fit

Ultra-Thin Sanitary Napkins Lightweight and flexible backsheet material for day and night sanitary pads requiring softness, discretion, breathability, and liquid resistance.
Daily Panty Liners Thin breathable construction for lightweight liners where minimal bulk and soft material response are important.
Postpartum & Maternity Pads Soft-touch breathable backsheet options for larger hygiene pads requiring dependable fluid-barrier performance and extended-use comfort.
Additional Applications
Day sanitary pads Night sanitary pads Panty liners Postpartum pads Cotton sanitary pads Light incontinence liners

Construction Options

1-Layer

Soft Nonwoven + HygieSoft™ Breathable Film

A lightweight single-sided laminate combining one soft nonwoven layer with HygieSoft™ breathable film for cloth-like softness, flexibility, and breathable liquid-barrier performance.
2-Layer

Soft Nonwoven + HygieSoft™ Breathable Film + Inner Nonwoven

A double-sided nonwoven laminate with HygieSoft™ breathable film positioned between two nonwoven layers, providing additional softness, structural stability, and surface protection.
Customizable Parameters
• Film basis weight: approx. 12–45 gsm
• Nonwoven type and basis weight
• Surface embossing and texture
• Color and visual appearance
• Lamination configuration
• Roll width and converting requirements

Material & Performance Summary

Film Technology Microporous breathable PE film
Film Weight Approx. 12–45 gsm
Structure Film / 1L / 2L laminate options
Key Functions Quiet / Soft / Breathable / Liquid Resistant
Backsheet Structure Comparison – Non-Breathable Film vs. 1-Layer vs. 2-Layer

Specification

Brand HygieSoft™
Product Form Roll
Material Breathable PE Film + Soft Nonwoven
Structure Monolithic or 2-Layer Composite
Breathability Mechanism Medium to High Vapor Permeability
Barrier Properties High Hydrostatic Pressure Resistance, Hypoallergenic, Low-noise
Surface Treatment Deep Matte / Micro-Embossed / Custom 4-Color Printing
Weight 12 - 45 gsm
Overall Width 80 - 2000 mm (Customizable)
Length 800 - 1500 m
Application Sanitary napkins, panty liners, maternity pads
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Redefining the Boundaries of Breathable Technology

Understanding Micro-Climate Control — The Benchmark for Feminine Comfort

In feminine hygiene, managing the internal micro-climate is just as important as absorbing fluid. A non-breathable pad rapidly increases local temperature and humidity, which accelerates bacterial proliferation and odor. To meet premium wellness standards, the backsheet must act as a dynamic membrane. HygieSoft™ achieves this by allowing microscopic water vapor to escape while locking in macroscopic fluids, setting the benchmark for freshness, hygiene, and all-day comfort.

Why Kae Hwa Is Trusted in Feminine Care Materials

With over 60 years of polymer innovation, Kae Hwa is a proven specialist in breathable films for the global hygiene industry. Our materials are manufactured under strict ISO 9001 and ISO 14001 certified systems, ensuring reliable, safe, and consistent quality for intimate care products. We develop sanitary films using proprietary microporous technology and eco-friendly processes, enabling global feminine care brands to deliver products that respect both women's health and the environment.
About Us
Engineering Reliable Protection Through Precision

FAQ

The pores in our HygieSoft™ membrane are engineered to be significantly smaller than a liquid droplet, yet larger than a water vapor molecule. This physical structure guarantees that menstrual fluid is completely locked in, while humid air is allowed to vent out continuously.

Yes. Odor in hygiene products is often exacerbated by trapped heat and bacterial growth in damp environments. By allowing the pad to "breathe," our film keeps the internal micro-climate dry and cool, which naturally suppresses bacterial proliferation and associated odors.

Absolutely. We strictly utilize an advanced solvent-free lamination process. This means there are no harsh chemical adhesives or volatile organic compounds (VOCs) that could cause allergic reactions or skin sensitization in delicate areas.