Big Mouth Toothbrush Update | Shark Tank Season 14
Dr. Bobbi Peterson, an orthodontist passionate about improving oral health, took the Shark Tank stage in Season 14 with her innovative Big Mouth Toothbrush.
Designed to provide a deeper clean, especially for people with braces or gum concerns, this oversized electric toothbrush caught the attention of the Sharks. But did they bite?
In this Big Mouth Toothbrush Shark Tank update, we’ll recap the pitch, break down the Sharks’ responses, and explore what happened to the company after the show.
Big Mouth Toothbrush on Shark Tank: The Pitch Recap
Founder & Product Overview
- Entrepreneur: Dr. Bobbi Peterson
- Business: Big Mouth Toothbrush (oversized electric toothbrush for better gum health)
- Ask: $150,000 for 10% equity
- Product Features:
- Extra-large brush head for better coverage
- Five cleaning modes
- Designed for people with braces and gum health concerns
- Breast cancer awareness initiative (40% of proceeds from the pink version support the cause)
Dr. Bobbi shared her inspiring journey—overcoming personal challenges, becoming an orthodontist, and starting her practice before launching Big Mouth Toothbrush.
She needed a Shark’s investment to expand manufacturing, hire staff, and enter retail stores.
Sharks’ Offers and Responses
| Shark | Offer | Reason for Investment/Rejection |
| Barbara Corcoran | $150,000 for 20% equity + $2 per unit royalty (accepted) | Impressed by Bobbi’s determination and business plan |
| Kevin O’Leary | $150,000 for 25% equity + $5 per unit royalty | I saw potential but wanted a higher royalty |
| Mark Cuban | No offer | Concerned that Bobbi was managing both her practice and the business |
| Robert Herjavec | No offer | Believed the oral care market was too competitive |
| Lori Greiner | No offer | I thought the space was too crowded, despite liking the product |
After countering Kevin’s royalty-heavy offer, Bobbi accepted Barbara Corcoran’s deal of $150,000 for 20% equity plus a $2 per unit royalty.
Big Mouth Toothbrush Post-Shark Tank Update
After the episode aired, Big Mouth Toothbrush experienced a massive surge in demand, selling out within 24 hours. But what’s happened since? Let’s break it down:
Sales & Revenue Growth
| Milestone | Details |
| Sold Out in 24 Hours | Immediate post-Shark Tank spike |
| Estimated Net Worth | $500,000 (as of early 2025) |
| Continued Demand | Strong online sales through Amazon and the company website |
Retail Expansion & Distribution
| Retailer/Platform | Availability |
| Amazon | Yes |
| Big Mouth Toothbrush Website | Yes |
| Retail Stores | Not yet confirmed |
While details on Barbara Corcoran’s investment have not been publicly disclosed, Bobbi continues to lead the company while running her orthodontic practice.
Factors Behind Big Mouth Toothbrush’s Growth
Several key factors have contributed to the company’s success post-Shark Tank:
- Strong Demand from Viewers – The Shark Tank effect led to immediate sellouts.
- Unique Product Positioning – The oversized toothbrush offers a distinct advantage over traditional electric toothbrushes.
- Compelling Founder Story – Bobbi’s inspiring journey and expertise build credibility and trust.
- Social Impact – The brand’s support for breast cancer awareness attracts socially conscious buyers.
- Patent Protection – Protecting her design from competitors strengthens her market position.
Final Thoughts: Big Mouth Toothbrush’s Future
Big Mouth Toothbrush has made an impressive impact following its Shark Tank debut.
The brand’s unique product, founder’s expertise, and strong demand have set it up for continued success.
While retail expansion and new product launches could fuel further growth, Dr. Bobbi’s ability to balance her business and orthodontic practice will be crucial moving forward.
Stay tuned for future updates on Big Mouth Toothbrush’s journey!
