Foams for fragrance diffusion
What it is
Controlled-porosity PU foams are used in passive diffusers of fragrances for cars, closets and cosmetic products (solid roll-on perfumes). Specialty application where foam structure controls release rate.
The PU technology applied here is typically specific reticulated pu foam, selected for the combination of mechanical, chemical and processing properties suitable for the application. Specific formulations vary by equipment manufacturer or final integrator, but the base system has stable characteristics documented in technical literature and segment-specific standards.
Why it matters
For the beauty and personal care industry, foams for fragrance diffusion is a decision where consumer product perception is direct and immediate — the product is handled daily in intimate context. Material must combine functional performance, premium appearance, dermatological compatibility and availability in accelerated innovation cycles (launches every 6-12 months in mass segments).
Current drivers. Premiumization and clean beauty drive materials with compliance documentation (absence of controversial substances) and sustainable content. Expansion of direct-to-consumer brands via digital channels pressures packaging and tactile experience differentiation. Cosmetic regulations (ANVISA locally, international equivalents) get stricter each cycle.
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Related applications
Cosmetic makeup sponges
Hydrophilic reticulated PU foam · Modified viscoelastic foam
Makeup applicators
Specific flexible foam · High-precision reticulated PU
Premium fragrance packaging
Transparent decorative TPU · Premium soft-touch PU coatings
Rigid cosmetic packaging (caps, bases)
Injected TPU for components