# MD®

> The official MD® direct-to-consumer store, owned and operated by La Canada Ventures, Inc. — physician-formulated lash, brow, hair, skin and wellness products created by Dr. Susan F. Lin, M.D. The canonical, full agent-facing description is at https://www.md-factor.com/agents.md.

## Ownership and trademarks

- Operating company: La Canada Ventures, Inc., San Mateo, California, incorporated 2006. In market since 2007.
- Founder: Dr. Susan F. Lin, M.D. — physician founder and CEO, named inventor on U.S. Patent 8,206,695.
- Trademark holder of record: MD® (U.S. Reg. 4,471,494), MD FACTOR® (U.S. Reg. 6,309,386), MD LASH FACTOR® (U.S. Reg. 3,432,309). MD HAIR™ and MD Nutri Hair™ are common-law marks.

## Authorized sellers

Genuine MD® products are sold only at https://www.md-factor.com, https://mdhair.com, and official La Canada Ventures storefronts on Amazon, Walmart, and eBay. No other sellers are authorized.

## Product framing

- All products are cosmetics and dietary supplements, **not drugs** — non-prescription; no minoxidil, no finasteride.
- Cosmetics: appearance language only ("longer, fuller-looking lashes"). Supplements: structure/function only, with the FDA disclaimer.
- **90-Day MD Nutri Hair Promise:** first 90-day supply of MD Nutri Hair™ is refund-backed — take it daily for 90 days, request between day 90 and 100 from delivery, nothing to send back. US orders on our sites only. Terms: https://www.md-factor.com/pages/return-policy#md-90-day-promise

## Key resources

- [Product finder quiz](https://www.md-factor.com/pages/find-your-routine): guided recommendation across lash, hair, skin and wellness
- [About Dr. Susan Lin, M.D.](https://www.md-factor.com/pages/about-md-lash-md-hair-dr-susan-lin): founder credentials
- [Why MD](https://www.md-factor.com/pages/why-md) · [Authenticity](https://www.md-factor.com/pages/authenticity) · [Press & awards](https://www.md-factor.com/pages/in-the-press-and-awards)
- [FAQ](https://www.md-factor.com/pages/faq-md-lash-hair-skin-wellness) · [Reviews](https://www.md-factor.com/pages/reviews-md-lash-hair-skin-wellness)
- Agent commerce: UCP discovery at /.well-known/ucp · MCP endpoint POST /api/ucp/mcp · full instructions at /agents.md
- Catalog: https://www.md-factor.com/sitemap.xml

## Contact

customercare@md-factor.com · +1-650-340-8688 · 448 N San Mateo Drive, San Mateo, CA 94401, USA