Nippon Woodlice Killer Powder is a fast-acting, long-lasting insecticide designed to control woodlice and a wide range of crawling insects both inside and around the home. Supplied in a convenient 150g puffer pack, this dry powder formulation offers up to 6 months of residual protection.
Effective against woodlice, wasps, cockroaches, beetles, earwigs, silverfish, and other crawling insects, the powder can be applied directly to cracks, crevices, entry points, and surfaces where insects are active. It is suitable for use in domestic environments including kitchens, bathrooms, basements, and outdoor spaces like patios and sheds.
With no need to exclude children or pets from treated areas once applied, it offers peace of mind and long-term control in a wide range of settings.
Key Features
- Kills a broad range of crawling insects – Woodlice, silverfish, beetles, earwigs, cockroaches, and more
- Fast-acting and highly efficient – Delivers immediate and ongoing results
- Up to 6 months of residual protection – Long-lasting effect with a single application
- For indoor and outdoor use – Ideal for cracks, floor edges, doorways, patios, and outbuildings
- Child and pet-safe after application – No need for exclusion once powder is applied and settled
- Convenient puffer pack – Easy to apply directly where insects are found
- Contains permethrin – A trusted insecticide for household pest control
Specifications
- Product Type: Crawling insect powder
- Active Ingredient: Permethrin
- Pack Size: 150g
- Packaging Type: Puffer bottle
- Boxed Dimensions: W: 19.5cm × H: 5.5cm × D: 5.5cm
- Boxed Weight: 455g
- Coverage: Varies depending on application method and area size
How to Use
- Shake the bottle well before use.
- Apply powder directly to areas where insects are active: along skirting boards, in cracks and crevices, behind furniture, or near entry points.
- For outdoor use, apply around door thresholds, air bricks, patios, and base of walls.
- Reapply as necessary, particularly after cleaning or heavy rain (for outdoor use).
Where to Use
- Skirting boards and floor edges
- Kitchens and pantries
- Bathrooms and utility rooms
- Basements, lofts, and garages
- Outdoor patios, sheds, and outbuildings
- Cracks, voids, and insect entry points
Frequently Asked Questions
Q: What pests does this product control?
A: Nippon Woodlice Killer Powder is effective against woodlice, wasps, cockroaches, earwigs, silverfish, beetles, and other crawling insects.
Q: Is it safe to use around pets and children?
A: Yes. Once the powder has been applied and settled, there is no need to exclude children or pets from the treated area. Always follow label directions for safe use.
Q: How long does it remain effective?
A: It provides residual protection for up to 6 months, though reapplication may be needed in high-traffic or exposed outdoor areas.
Q: Can this be used outdoors?
A: Yes. It’s suitable for use both indoors and outdoors. Avoid using in areas exposed to wind or rain unless sheltered.
Q: Is this product scented?
A: No, the powder is unscented and non-staining when used as directed.
Safety & Storage
- Always read the label before use
- Apply only as directed; avoid inhaling dust
- Wash hands after use
- Store in a cool, dry place away from food and drink
- Keep out of reach of children and animals
Nippon Woodlice Killer Powder – Targeted, long-lasting control of crawling insects. Safe, simple, and effective pest protection for every part of your home.

