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What's dust mites?

With Lura’s dust eliminating effect, you and your loved ones can expect healthier days ahead. If you wonder how, click onto the links below and read all about the harmful impact that house dust, mites and their related allergies can have on your overall health and wellness.

Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Subclass: Acarina
Order: Acariformes
Family: Pyroglyphidae
Genus: Dermatophagoides
Species: D. pteronyssinus

House dust mites are microscope bugs that primarily live on dead skin cells regularly shed from humans and their animal pets. Dust mites are harmless to most people. They don't carry diseases, but they can cause allergic reactions in asthmatics and others who are allergic to their feces.

Skin cells and scales, commonly called dander, are often concentrated in lounging areas, mattresses, frequently used furniture and associated carpeted areas, often harbor large numbers of these microscopic mites. Since the average human sloughs off 1/3 ounce (10 grams) of dead skin a week. That gives dust mites a lot to eat.

Cats and dogs create far more dander for dust mites to eat. A typical mattress can contain tens of thousands of dust mites. Nearly 100,000 mites can live in one square yard of carpet. Ready to convince your spouse to start bathing regularly?

Did you know a single dust mite produces about 20 waste droppings each day, each containing a protein to which many people are allergic? The proteins in that combination of feces and shed skin are what cause allergic reactions in humans. Depending on the person and exposure, reactions can range from itchy eyes to asthma attacks. And finally, unlike other types of mites, house dust mites are not parasites, since they only eat dead tissue. Gross, but true.


The body of a house dust mite is just visible against a dark background in normal light. A typical house dust mite measures 420 micrometers in length and 250 to 320 micrometers in width. Both male and female adult house dust mites are creamy blue and have a rectangular shape. The body of the house dust mite also contains a striated cuticle. Like all acari, house dust mites have eight legs. Dust mites can be transported airborne by minor air currents generated from normal household activities

Life cycle

The average life cycle for a male house dust mite is 10 to 19 days. A mated female house dust mite can live for 70 days, laying 60 to 100 eggs in the last 5 weeks of her life. In a 10 week life span, a house dust mite will produce approximately 2000 fecal particles and an even larger number of partially digested enzyme-infested dust particles.
A simple washing will remove most of the waste matter. Both being exposed to temperatures of over 60 degrees Celsius (140 degrees Fahrenheit) for a period of one hour, freezing, or exposure to temperatures below 20°C, will typically prove fatal to house dust mites; a relative humidity less than 50 may also be fatal. Ten minutes in household clothes dryer at lethal temperatures has been shown to be sufficient to kill all the dust mites in bedding. House dust mites reproduce quickly enough that their effect on human health can be significant.


Beds are a prime habitat (where 1/3 of life occurs). A typical used mattress may have anywhere from 100,000 to 10 million mites inside. (Ten percent of the weight of a two year old pillow can be composed of dead mites and their droppings.) Mites prefer warm, moist surroundings such as the inside of a mattress when someone is on it. A favorite food is dander (both human and animal skin flakes). Humans shed about 1/5 ounce of dander (dead skin) each week. About 80 percent of the material seen floating in a sunbeam is actually skin flakes. Also, bedroom carpeting and household upholstery support high mite populations.