Best Growth Regulator For Roaches: Compare 10 Options

#1 · Best Overall

1. Gentrol Point Source

• Form: Spray

Best for: Discreet sensitive-area placement.

Why it ranks #1: Its non-spray device contains (S)-hydroprene and specifies 90 days of roach control, making it a focused option for discreet placement.

A non-spray device provides up to 90 days of roach control, letting you place a growth regulator in sensitive areas without applying it as a spray. Its hydroprene interrupts cockroaches’ life cycle and prevents reproduction, and the 20-pack gives you multiple devices for placement around a treatment area.

Gentrol Point Source uses (S)-hydroprene to disrupt development and reproduction, so its role is ongoing life-cycle control rather than a claim of immediate adult knockdown. The non-spray format suits sensitive areas where a spray application is not the preferred workflow. Each device provides up to 90 days of control, reducing how often the treatment needs attention over that period. The supplied gloves and pest identification card add handling and identification items to the package.

Skip it if you need an explicitly listed contact-kill treatment; ZOECON Gentrol Complete EC3 states that it kills adult insects on contact.

Choose this for discreet, non-spray growth regulation in sensitive areas, especially when a three-month treatment interval and multiple placement points suit your approach. It targets reproduction, so it is not the listed choice for contact killing adult roaches.

Listed on Amazon as: Gentrol Point Source IGR Discs ZOE1007 (20 Pack) German Cockroach Growth Regulator – with USA Supply Gloves & Pest Identification Card – Product is Non-perishable

#2 · Longest Listed Control

2. Gentrol IGR Concentrate

• Form: Liquid
• Weight: 10 oz

Best for: Sensitive-site concentrate applicators.

Why it ranks #2: The listing states continuous cockroach control for four months and identifies fogging, general surface spray, or tank mixing as application options.

Fogging, general surface spraying, and tank mixing give Gentrol IGR Concentrate three stated application options for roach growth regulation. It is approved for sensitive sites including schools, hospitals, nursing homes, and kitchens, while its listed control period for cockroaches and other named pests is four months.

Gentrol’s translocating active ingredient is described as reaching hard-to-treat areas, which supports its use where roaches or other listed pests may occupy difficult spaces. The liquid concentrate can be applied as a fogging agent, general surface spray, or tank mixture, giving applicators alternative workflows. Its approval for sensitive sites includes schools, hospitals, nursing homes, and kitchens. The four-month continuous-control statement covers cockroaches, bed bugs, and fruit and drain flies, offering a stated interval for those targets.

Skip it if you need stated mixing quantities for a concentrate; Atticus Nixlo lists 2.4 teaspoons per gallon of water.

This suits applicators seeking a liquid concentrate for sensitive sites and a choice of fogging, surface-spray, or tank-mix workflows. Check label directions for mixing and application details before selecting it for a particular location.

Listed on Amazon as: Zoecon 37860A Gentrol IGR Concentrate 1oz (10) Insect Growth Regulator

#3 · Adult Insect Contact

3. Gentrol Complete EC3

• Form: Liquid
• Weight: 1.2 lb

Best for: Kitchen treatment with contact action.

Why it ranks #3: This emulsified concentrate combines an insecticide that kills adult insects on contact with (S)-hydroprene to disrupt the life cycle.

Contact-kill action paired with hydroprene life-cycle control gives Gentrol Complete EC3 two stated roles in kitchen insect treatment. Its emulsified concentrate is approved for restaurant pest control and other food- and non-food-handling establishments, making it a fit for buyers seeking a liquid formulation for those settings.

The emulsified concentrate kills adult insects on contact, while (S)-hydroprene interrupts the life cycle and helps prevent rebound infestations. Those actions address different stages of a kitchen infestation. A multi-rate formulation is described for different infestation levels, and the IGR translocates into wall cavities, cracks, and crevices, which can help the treatment reach those spaces. The label information identifies food-handling establishments as approved use settings, an important consideration for commercial kitchen buyers.

Skip it if you need a non-spray device for sensitive-area placement; USA Supply Gentrol Point Source provides a non-spray format.

Choose this when kitchen treatment calls for both stated adult contact kill and growth regulation, including in approved food-handling settings. Its liquid concentrate and kitchen-focused information make application planning for the particular site an important fit consideration.

Listed on Amazon as: ZOECON 10578 Gentrol Complete EC3 Insecticide and Growth Regulator, Orange

#4 · Pyriproxyfen Concentrate

4. Atticus Nixlo IGR

• Form: Liquid

Best for: Broad-spectrum concentrate applicators.

Why it ranks #4: Its 10% pyriproxyfen formula targets more than 50 listed insect pests, and directions specify 2.4 teaspoons per gallon of water.

A 10% pyriproxyfen concentrate targets more than 50 insect pests, including roaches, so one mixed treatment can address several listed pest types. The 140-milliliter bottle is applied diluted: the supplied directions specify 2.4 teaspoons per gallon of water, giving applicators a defined mixing and coverage workflow.

Nixlo’s liquid concentrate halts reproduction by affecting pests in immature stages, making it a growth-regulation option rather than a stated adult contact killer. Its listed reach of more than 50 insects includes roaches, fleas, ticks, flies, and mosquitoes, which can suit sites with varied pest concerns. Directions call for 2.4 teaspoons per gallon and state that mixture covers 1,000 square feet; they also describe a 2–6-foot band around a structure, 2–3 feet high.

Skip it if you want a ready-to-place device rather than a mixed spray; USA Supply Gentrol Point Source uses a non-spray format.

This suits applicators who want a diluted concentrate for roaches alongside other listed insects and can follow measured mixing directions. Consider the spray-area workflow and coverage instructions before choosing it for a particular treatment site.

Listed on Amazon as: Atticus Nixlo IGR Pyriproxyfen Concentrate (140ml) Insect Growth Regulator

#5 · Broad Pest Coverage

5. MGK NyGuard IGR

• Form: Gel
• Weight: 4.7 oz

Best for: Broad-spectrum concentrate planners.

Why it ranks #5: The pyriproxyfen juvenile hormone mimic targets more than 50 pests, including cockroaches, and the product is described as photo-stable.

NyGuard’s juvenile-hormone-mimic action targets more than 50 pests, including cockroaches, by preventing immature insects from becoming reproductive adults. The concentrate is also described as photo-stable, so it will not rapidly degrade in sun, a useful listed trait for buyers considering outdoor pest treatment.

This MGK concentrate combines broad pest coverage with an action that interrupts maturation and reproduction. The listed targets include roaches, fleas, mosquitoes, ants, and flies, giving buyers a single regulator for multiple pest concerns. Its photo-stability means it will not rapidly degrade in sunlight, which is relevant when planning an outdoor application. The supplied facts also identify use for mosquito control, but do not provide a mixing rate here; consult the label for application directions.

Skip it if you need mixing quantities stated in the supplied details; Atticus Nixlo specifies 2.4 teaspoons per gallon of water.

This fits buyers seeking one concentrate for roaches and other listed pests, including outdoor concerns where photo-stability matters. The supplied information does not include a mixing rate, so label directions are essential to application planning.

Listed on Amazon as: MGK NyGuard IGR Concentrate | Insect Growth Regulator | 140 ML

#6

6. Tekko Pro IGR

• Form: Liquid
• Weight: 16 oz

Best for: Indoor-outdoor two-mode regulator.

Why it ranks #6: This indoor-and-outdoor liquid combines 1.3% pyriproxyfen with 1.3% novaluron and lists cockroaches among its target insects.

Tekko Pro combines pyriproxyfen and novaluron, two stated modes of action that disrupt insect development and reproduction. Its indoor-and-outdoor use listing, including furniture, carpets, and kennels, gives buyers flexibility across different treatment sites while the broad pest list includes cockroaches.

The formulation contains 1.3% pyriproxyfen, a juvenile hormone analog that inhibits insects from becoming reproductive adults, and 1.3% novaluron, a chitin synthesis inhibitor. Together, the listed modes of action disrupt development before adulthood. Indoor and outdoor use is specified, with furniture, carpets, and kennels among the example sites; the pest list includes cockroaches as well as ants, fleas, flies, and other insects. This range can suit buyers treating more than one type of site or pest.

Skip it if you need a stated three-month device interval; USA Supply Gentrol Point Source lists up to 90 days of control.

This fits buyers seeking a liquid regulator for listed indoor and outdoor sites and valuing its two stated modes of action. The supplied facts do not specify a roach-control duration, so it is less suited to plans that require one.

Listed on Amazon as: Control Solutions Inc 13842486 Tekko Pro Insect Growth Regulator 16-Oz

#7

7. Gentrol IGR Aerosol

• Weight: 1.26 lb

Best for: Target-area aerosol users.

Why it ranks #7: The aerosol contains 0.36% hydroprene and is directed at target areas, offering a ready-to-apply format for disrupting immature cockroach development.

Aerosol delivery lets you apply hydroprene directly to target areas, with directions to hold the can upright and spray from 10 to 12 inches away. Gentrol’s stated action disrupts immature development and makes adult insects incapable of reproducing, supporting life-cycle control across listed roach and other pest settings.

This formulation contains 0.36% hydroprene and is described for cockroaches, bed bugs, and stored-product pests. The directions specify shaking well, holding the can upright, and spraying target areas from 10 to 12 inches away, so buyers can follow a defined aerosol application method. Its listed settings range from residential homes and kitchens to restaurants, hospitals, warehouses, and other facilities. That breadth is useful for buyers looking for one listed product across varied site types.

Skip it if you prefer placing a non-spray device in sensitive areas; USA Supply Gentrol Point Source is listed in a non-spray format.

Choose this if aerosol application to target areas fits your roach-control workflow and you want hydroprene’s stated life-cycle effects. Follow the supplied distance and can-position directions, and consider whether aerosol delivery fits your site.

Listed on Amazon as: Aerosol Insect Growth Regulator ZOE1005

#8

8. USA Supply Gentrol Aerosol

• Weight: 16 oz

Best for: Aerosol roach-and-bed-bug users.

Why it ranks #8: This 16-ounce hydroprene aerosol is listed for a 1,200-square-foot treatment and is described as disrupting cockroach and bed bug development.

A 1,200-square-foot treatment figure gives this Gentrol aerosol a stated coverage reference for buyers planning application to a problem site. Its hydroprene formulation is described as disrupting cockroach and bed bug development, pairing a direct-spray format with growth regulation for those target insects.

This 16-ounce Gentrol IGR aerosol uses hydroprene, and the supplied information identifies cockroaches and bed bugs as targets whose development it disrupts. The aerosol format supports spraying directly on a problem site, according to the product description. A 1,200-square-foot treatment figure offers a coverage reference for planning, while the listing provides no specific application-distance directions here. Buyers should rely on the product’s label for application details rather than infer them from the coverage figure.

Skip it if you want a stated 90-day control period; USA Supply Gentrol Point Source lists that duration for its device.

Consider this for a direct-spray Gentrol option when its stated 1,200-square-foot treatment reference suits your planning. It targets development of cockroaches and bed bugs, but the supplied facts do not give a control duration.

Listed on Amazon as: Gentrol IGR Aerosol ZOE1005 16 oz, 1,200 sq ft Treatment – with USA Supply Gloves and Pest Identification Card – Disrupts Development of Cockroaches and Bed Bugs

#9

9. CSI Tekko Pro IGR

• Form: Cream
• Weight: 0.27 g

Best for: Indoor-outdoor multi-site concentrate.

Why it ranks #9: The concentrate is described as disrupting development and lists cockroaches among effective targets, but its product details give less application guidance.

Indoor-and-outdoor use plus named sites such as furniture, carpets, and kennels make Tekko Pro a flexible option for treatment planning across different areas. The concentrate disrupts the development of listed insects, and its effective-against list includes cockroaches alongside fleas, ants, beetles, and other pests.

Tekko Pro is described as disrupting the life cycle of listed insects and preventing them from developing into adults, making its stated role growth regulation. The indoor-and-outdoor listing supports use planning across settings, while furniture, carpets, and kennels are specifically named application sites. Flea re-infestation inhibition is listed for up to seven months, but that duration is stated for fleas, not roaches. Buyers should keep that distinction in mind when considering this product for cockroach control.

Skip it if you require a specified roach-control interval; USA Supply Gentrol Point Source lists up to 90 days of roach control.

This suits buyers treating listed pests across indoor and outdoor sites, including furniture, carpets, or kennels. Its seven-month duration applies to flea re-infestation, so do not use that figure as a roach-control interval.

Listed on Amazon as: CSI Tekko Pro IGR Insect Growth Regulator 16 Oz – 0.01 Ounces

#10

10. Control Solutions I.G. Regulator

Best for: Unscented home-and-commercial treatment.

Why it ranks #10: Its 1.3% pyriproxyfen formula targets roaches indoors and outdoors, though the listing emphasizes flea control more than cockroach-specific details.

An unscented formula targets roaches, fleas, and mosquitoes indoors and outdoors, suiting buyers who want a regulator for several listed pest concerns. Its 1.3% pyriproxyfen acts as an insect growth regulator, while the directions and label remain central to choosing appropriate treatment sites.

Control Solutions Home Pest Lure uses pyriproxyfen and is listed for roaches, fleas, mosquitoes, gnats, crickets, litter beetles, and ants. That pest range can make it relevant to homes and commercial spaces with more than one listed concern. The unscented description may matter to buyers selecting a product for indoor use, and outdoor areas are also included as directed. Pet safety is stated only when used according to the label, so adherence to those directions is part of the fit.

Skip it if you need a listed contact-kill action against adult insects; ZOECON Gentrol Complete EC3 explicitly states that it kills adults on contact.

Choose this for an unscented growth regulator listed for indoor and outdoor roach treatment alongside other pests. Households with animals should account for the label-dependent pet-safety statement and follow directions precisely.

Listed on Amazon as: Control Solutions Home Pest Lure – IGR Regulator for Insect Growth Control – 4 Fl Oz – Unscented