# Health & beauty — guides & evidence

Inspect evidence behind beauty treatments, eyewear claims and supplements, plus the terms of self-pay medical bills.

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## ['FDA registered' supplements are not FDA-approved treatments](https://nosecrets.app/markdown/en/stories/supplements-fda-approved-marketing)

Facility registration, manufacturing requirements and drug approval are different things. A registration claim does not prove a supplement works.

Scope: United States · dietary supplement marketing

## [Self-pay medical bills: ask for a written good faith estimate](https://nosecrets.app/markdown/en/stories/self-pay-medical-good-faith-estimate)

A provider's bill at least $400 above its good faith estimate may qualify for a federal dispute process, subject to eligibility and deadlines.

Scope: United States · uninsured or self-pay medical care

## [Before paying extra for blue-light lenses, ask what benefit is proven](https://nosecrets.app/markdown/en/stories/blue-light-glasses-evidence-upsell)

A review of 17 trials found little support for short-term eye-strain benefits; sleep and long-term eye-health claims need care.

Scope: Adults · 2023 Cochrane review of blue-light filtering spectacles

## [Aesthetic medicine's high margins: whose profit are we measuring?](https://nosecrets.app/markdown/en/stories/aesthetic-industry-margins-treatment-price)

A manufacturer's margin, a clinic's profit and a patient's bill measure different parts of the business.

Scope: InMode FY2025 manufacturer results; US surgical-pricing guidance

## [The $5 million case behind a cosmetic clinic's polished reviews](https://nosecrets.app/markdown/en/stories/allure-esthetic-review-manipulation)

A documented case involving review restrictions and misleading presentation shows why star ratings need scrutiny.

Scope: Washington State, US · Allure Esthetic consent decree

## [Cheap Botox: verify the product and the person injecting it](https://nosecrets.app/markdown/en/stories/counterfeit-botox-authorized-supply)

The 2024 US investigation involved counterfeit products and improper administration. A familiar brand name was not enough.

Scope: United States · FDA and CDC 2024 investigation

## ['Needle-free' filler is not a shortcut to proven safety](https://nosecrets.app/markdown/en/stories/needle-free-filler-approval-claims)

A product name, an approved ingredient and approval for a particular use are different claims.

Scope: United States · dermal fillers and needle-free injection devices