Advertising rules for California med spas

Med spa advertising is regulated as physician advertising

Because a California med spa is a medical practice, its advertising falls under the physician advertising rules in Business and Professions Code 651, not ordinary retail marketing norms.

Section 651 prohibits any public communication about a professional service that is false, fraudulent, misleading or deceptive, and then lists specific practices that count. Many of them are staples of spa marketing: model photos, promotional pricing, "results" images. The Medical Board's guidance on med spas warns that California law prohibits many of the advertising practices then being used to promote cosmetic treatments.

Every social post, email promotion and booking-page banner is a public communication for this purpose. Treat each one as a regulated advertisement for the physician's practice.

B&P 651The Medical Board's med spa guidance states that California law prohibits many of the advertising practices used to promote cosmetic treatments, citing B&P 651. — Medical Board of California, retrieved 2026-09-27

Social media posts count as public communications

California's physician advertising statute defines public communication to include the internet and other electronic communication, so posts, stories and paid social placements are all covered.

Business and Professions Code 651(a) makes it unlawful for a licensee to disseminate any public communication containing a false, fraudulent, misleading or deceptive statement, claim or image intended or likely to induce professional services. The statute's definition of public communication lists mail, television, radio, newspapers, directories, the internet and other electronic communication.

That includes content the practice does not post itself but causes to be posted, such as a sponsored review. The physician owner should sign off on the practice's social media in the same way as a print advertisement.

B&P 651(a)B&P 651(a) makes it unlawful for a licensee to disseminate a public communication containing a false, fraudulent, misleading or deceptive statement, claim or image. — California Legislative Information, retrieved 2026-09-27

B&P 651 defines public communication to include communication by the internet or other electronic communication. — California Legislative Information, retrieved 2026-09-27

Price phrases like "as low as" are banned outright

California physician advertising may not use "as low as", "and up", "lowest prices" or similar phrases, and may not use bait, discount or premium offers that mislead.

Business and Professions Code 651 lists those phrases by name and adds "words or phrases of similar import". It also bars price advertising that is fraudulent, deceitful or misleading, including statements or advertisements of bait, discount, premiums or gifts. A "$9 per unit" neurotoxin headline that becomes a higher price at the consultation is the pattern this aims at.

Advertise a fixed price for a defined service, or advertise no price. If a promotion is genuine, state exactly what it covers and when it ends.

B&P 651 prohibits price advertising using "as low as," "and up," "lowest prices," or words or phrases of similar import. — California Legislative Information, retrieved 2026-09-27

B&P 651 bars price advertising that is fraudulent, deceitful or misleading, including statements or advertisements of bait, discount, premiums or gifts. — California Legislative Information, retrieved 2026-09-27

Model photos and before-and-after images carry strict conditions

A California med spa may not show a model without clearly saying so, and before-and-after images must be comparable in pose and lighting and state that results may vary.

Business and Professions Code 651 treats any photograph or image of a model as a violation unless the ad states, prominently and in easily readable type, that it is a model. Before-and-after views must be comparable in presentation so results are not distorted by favourable poses, lighting or other presentation features, and must include a statement that the same results may not occur for all patients.

Keep a file for each before-and-after pair: patient consent, the date of each image, and a note of the lighting and camera settings. It is the practical way to show the images are comparable if asked.

B&P 651 treats an image of a model as a violation unless the ad states prominently, in easily readable type, that it is a model. — California Legislative Information, retrieved 2026-09-27

B&P 651 requires before-and-after images to be comparable in presentation and to state that results may not occur for all patients. — California Legislative Information, retrieved 2026-09-27

Superiority claims need objective scientific evidence

A California med spa may not claim to be better than other providers, or to perform services in a superior manner, unless the claim is relevant and backed by objective scientific evidence.

Business and Professions Code 651 lists a claim of professional superiority, or of performing services in a superior manner, among the prohibited practices unless the claim is relevant to the service and can be substantiated with objective scientific evidence. Phrases such as "the most natural results in the city" or "the area's leading injector" are superiority claims.

Describe what you do and who does it instead: the device, the product, the clinician's license. Those are facts a reader can check.

B&P 651B&P 651 prohibits claims of professional superiority unless relevant to the service and substantiated with objective scientific evidence. — California Legislative Information, retrieved 2026-09-27

Every ad must carry the physician's name or the approved permit name

Each advertisement for a California med spa must use the physician's own name or the name approved on the practice's fictitious name permit, even when nurses deliver the treatment.

Business and Professions Code 2272 makes advertising the practice of medicine without the licensee's own name or approved fictitious name unprofessional conduct. The Medical Board's guidance applies this to med spas: while nurses may perform the treatment, the supervising physician's name, or the registered fictitious name, must appear in the advertisement.

If the brand is not yet approved, wait. The fictitious name permit guide covers the application and its four-to-six-week processing time.

B&P 2272Under B&P 2272, advertising the practice of medicine without the licensee's own name or approved fictitious name is unprofessional conduct. — California Legislative Information, retrieved 2026-09-27

Referral rewards and advertising control are separate traps

Paying anyone for sending patients is unlawful in California, and a lay management company that controls the practice's advertising is exercising a control the Medical Board says it may not hold.

Business and Professions Code 650 prohibits any rebate, commission, discount or other consideration offered or accepted as compensation or inducement for referring patients. Influencer arrangements and "refer a friend" credits deserve a careful read against that rule before launch.

Separately, the Medical Board's guidance names MSOs arranging advertising as engaging in illegal conduct. If a management company runs marketing, the physician owners should approve every ad; the MSO page covers where the line sits, and the medical director page covers the consequences of crossing it.

B&P 650B&P 650(a) prohibits offering or accepting any rebate, commission, discount or other consideration as compensation or inducement for referring patients. — California Legislative Information, retrieved 2026-09-27

The Medical Board's guidance describes MSOs arranging advertising for a physician practice as engaging in illegal conduct. — Medical Board of California, retrieved 2026-09-27

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