What ZentFlex does

ZentFlex (legal entity ZENT LLC) is a privately held Houston, Texas-based consumer oral-care company that designs, manufactures, and sells manual and replacement electric toothbrushes built around a patented mechanical pressure-limiting technology. Its flagship product, the Zent Clik / Zent Manual 2.0, uses a patented click-joint mechanism (US Patent No. 10638829) that snaps back when brushing pressure exceeds 150 grams — a threshold the company cites from the Journal of Clinical Periodontology as the optimal pressure to clean teeth without causing gum recession, enamel loss, or sensitivity. The product line is intentionally narrow: a $4.98 manual toothbrush (Blue, Pink, Gray) with USA-made 0.6mm soft bristles and a germ-resistant flat handle, plus a $9.98 three-pack of Sonicare-compatible replacement heads that extend the same click-joint mechanism to electric brush users.

The business operates as a direct-to-consumer e-commerce company with two primary sales channels: the company's own website (zentflex.com) and Amazon (Amazon.com and Amazon.ca). A Dental Professional Partner Program allows dentists and hygienists to carry and recommend the product in-office, and the company is actively seeking a retail distribution partner as part of its current capital raise. Pricing is unit-based with a $5.95 flat standard shipping fee; there is no subscription, enterprise contract, or app-based component to the offering. The company is led by founder and CEO Lee Haverman (CPA, MBA from Columbia Business School, former Deloitte Partner) and benefits from a Chief Dental Advisor role held by Dr. Pamela Maragliano-Muniz, a board-certified prosthodontist and chief editor of DentistryIQ.

ZentFlex is a small, founder-led operating company. It reports 1-10 employees, has received no disclosed institutional investment beyond participation in the gbeta accelerator, and is currently raising a minimum of $500,000 to fund manufacturing re-tooling, marketplace awareness, and retail distribution alignment. Its principal moat is the issued US patent on the click-joint mechanism and its third-party validation, most notably the 2021 Cellerant Best of Class Technology Award.

Name

ZentFlex

Legal name

ZENT LLC

Website

https://zentflex.com

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Oral Care Products (Manual and Replacement Electric Toothbrushes)

NAICS

Toilet Preparation Manufacturing (325620)

SIC

Perfumes, Cosmetics & Other Toilet Preparations (2844)

akta.pro primary industry

Toothbrushes (Manual) (CRABAFAB)

Keywords

• Manual toothbrush
• Oral care products
• Electric brush heads
• Pressure sensitive toothbrush
• Preventive dental products

Headquarters

HQ city

Houston

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Marketing or Sales, Personnel, Operations

Revenue model

1. Direct-to-Consumer Toothbrush Sales: Online sales of Zent Flex manual toothbrushes through company website and Amazon marketplace. Products include manual toothbrushes in multiple colors and electric toothbrush head replacements compatible with Sonicare.
2. Dental Professional Channel: Partner program for dental professionals to carry Zent Clik products in their offices for patient recommendations and direct sales.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

ZentFlex designs, manufactures, and sells a pressure-sensitive manual toothbrush (Zent Clik / Zent Flex / Zent Manual 2.0) and Sonicare-compatible replacement brush heads. Its core product uses a patented click-joint mechanism that physically limits brushing pressure to 150 grams (±10g), preventing gum recession, enamel loss, and tooth sensitivity caused by aggressive brushing. Products are sold direct-to-consumer via the company website and Amazon, and through a dental professional partner channel.

Product overview

ZentFlex is a dental health company offering a focused portfolio of pressure-sensitive oral care products built around patented click-joint technology. The core product is the Zent Flex manual toothbrush, which uses a patented click-joint mechanism that physically prevents users from brushing harder than 150 grams—the optimal pressure identified by dental research. The product line includes the Zent Manual 2.0 (updated version of the original Zent Flex), color variants (Blue, Pink, Gray), and compatible replacement brush heads. The company has also developed Zent Electric Head replacements for Sonicare toothbrushes, extending the pressure-sensitive technology to electric toothbrush users. All products share the same patented pressure-regulation mechanism as their primary differentiator.

Differentiator

Problem solved

Functional benefit

Brands

• Zent Clik: The flagship pressure-sensitive toothbrush product featuring patented click-joint technology that limits brushing pressure to 150 grams.
• Zent Manual
• Zent Electric Head

Products and services

• Zent Flex (Zent Clik) Pressure-Sensitive Manual Toothbrush Manual toothbrush featuring patented click-joint technology that physically limits brushing pressure to 150 grams to prevent gum recession, enamel loss, and tooth sensitivity; available in Blue, Pink, and Gray at $4.98 with travel cap, sold to consumers DTC and via Amazon.
• Zent Manual 2.0 Updated version of the Zent Flex/Zent Clik manual toothbrush with improved design and features while retaining the patented click-joint pressure-limiting mechanism at 150 grams.
• Zent Electric Head Replacement for Sonicare Replacement electric brush heads compatible with Sonicare handles, featuring the same patented click-joint pressure-regulating technology as the manual brush, sold as a 3-pack for $9.98.

Quantifiable outcome

• Bristles last up to twice as long as other toothbrushes due to resistance to splaying from aggressive brushing
• +1 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Three partnerships are on record, tiered core and minor.

• Dental Professional Partner ProgramcoreChannel Partner/ Reseller/ DistributorPartner program for dental professionals and dental offices to carry and recommend Zent Clik products. Dental professionals can contact the company for partnership information. Program allows dentists and hygienists to offer products directly to patients in-office.
• Retail Distribution Partner (Seeking)coreChannel Partner/ Reseller/ DistributorActively seeking to align with a distribution partner to penetrate retail store shelves. Part of current fundraising objectives.
• Bright Side SnacksminorGTM or Marketing PartnerHealthy snack company co-founded by Lee Haverman. Referenced in blog content for travel wellness tips. Founder's other business venture.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Emerging players

• AutoBrush: DTC brand selling U-shaped and automated brushing devices targeting consumers with limited dexterity or who brush incorrectly. Adjacent to ZentFlex's value proposition (addressing brushing problems) but with a different solution architecture.

Direct peers

• Burst: DTC oral care brand selling sonic toothbrushes and replacement heads primarily through an influencer/dental-professional network. Highly comparable go-to-market motion to ZentFlex's dental-professional partner program.
• Radius: Design-forward manual toothbrush brand sold through DTC, natural/grocery, and specialty retail. Comparable premium manual toothbrush positioning targeting design- and health-conscious consumers.
• Hello Products: DTC and mass-retail oral care brand (toothpaste, manual toothbrushes, mouthwash) with a focus on natural ingredients and design-led packaging. Comparable premium consumer brand competing for the same shelf and online buyer.
• Quip: Direct-to-consumer oral care brand best known for its electric toothbrush and subscription-based replacement heads. Most direct comparable in business model (DTC + subscription, modern brand positioning, premium pricing) and overlapping product line (electric brush heads).
• Boka: DTC oral care brand with a manual toothbrush line (and toothpaste), positioned around differentiated materials/ingredients. Comparable premium-DTC positioning in the same manual-toothbrush category.
• Goby: Premium soft-bristle manual toothbrush brand sold DTC and through select retail. Closest direct competitor in the manual-toothbrush space with a similar premium, design-forward brand.

Broad incumbents

• Oral-B (Procter & Gamble): Global category leader in manual and electric toothbrushes with massive marketing and retail-trade budgets. The dominant incumbent against which any premium manual-toothbrush brand must compete for shelf and consumer mindshare.
• Colgate-Palmolive: Global oral care leader (Colgate, Meridol, elmex, Tom's of Maine) with end-to-end presence in manual and powered toothbrushes plus toothpaste. Defines category pricing and shelf dynamics.
• Philips Sonicare: Incumbent premium electric toothbrush brand with the largest installed base of high-end brush handles — the platform against which ZentFlex's Sonicare-compatible replacement heads are sold.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ZentFlex