md-factor.com valid

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.

For agents: MD: direct-to-consumer store for physician-formulated lash, brow, hair, skin and wellness products by Dr. Susan Lin; agent guide at /agents.md.

lash serumphysician formulatedskincarehair caredr susan lin

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T17:28:47.301Z. Cached copy · Source on md-factor.com

# 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

Related sites

Other listed sites in Fashion and beauty. See the whole category →

Machine-readable: GET /v1/resolve?q=md-factor.com · GET /v1/domain/md-factor.com · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Claim my listing on Agent Web Map for md-factor.com:
1. POST https://agentwebmap.com/v1/sites/md-factor.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://md-factor.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/md-factor.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/md-factor.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

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