- Source type
- Clinical resource
- Access type
- Publisher
- Publisher
- American Academy of Dermatology
- Date
- 2026
- Added
- 2026-06-30
Trust profile
VV Source Trust Matrix v1.0
VV Source Trust Matrix v1.0 asks whether this source is trustworthy for the claim lane being used, not whether every possible claim from it is equally strong.
82
Professional clinical guidance
- Publisher type
- Professional guidance
- Bias profile
- Moderate
This source is strongest for safety and consumer context and weaker for mechanism and trial discovery.
VV Source Fit Score 1.0
Fit by use case
Fit scores are role-specific. A source can be excellent for one claim lane and weak for another.
- Regulatory status
- 63/100
- Context Source
- Clinical outcomes
- 78/100
- Strong Support
- Mechanism
- 63/100
- Context Source
- Safety
- 86/100
- Strong Support
- Consumer context
- 82/100
- Strong Support
- Trial discovery
- 63/100
- Context Source
Best used for
- Clinical context
- Practice guidance
Weak for
- Replacing primary evidence
Used in Viral Vitalism
Sunscreen: Skin-Cancer Shield or Hormone-Disrupting Trap?
Roles: Supporting evidence
Claim ledger
Claims supported
Reviewed claim cards that cite this source in the evidence graph.
sunscreen: Coconut oil, beef tallow, and DIY oils are not
Coconut oil, beef tallow, and DIY oils are not validated replacements for broad-spectrum sunscreen.
sun exposure: Natural sun exposure can still damage skin, and naturalness
Natural sun exposure can still damage skin, and naturalness is not evidence that sunscreen is unnecessary.
sunscreen: The claim that sunscreen causes cancer is unsupported and
The claim that sunscreen causes cancer is unsupported and risky; UV exposure is the better-established skin-damage and skin-cancer risk.
sunscreen: Sunscreen alone is an incomplete sun-protection strategy; shade, clothing,
Sunscreen alone is an incomplete sun-protection strategy; shade, clothing, hats, sunglasses, timing, and avoiding burns also matter.
sunscreen: Darker skin has more baseline melanin protection but still
Darker skin has more baseline melanin protection but still can experience UV damage, hyperpigmentation, photoaging, and skin cancer.
sunscreen: SPF 100 should not be interpreted as twice the
SPF 100 should not be interpreted as twice the real-world protection of SPF 50 because application amount, reapplication, UVA coverage, and behavior matter.
Related studies
No structured study record is currently attached to this source.
Related sources
FDA Q&A: Proposed order for over-the-counter sunscreen
U.S. Food and Drug Administration used across the Viral Vitalism evidence library.
- Trust score
- 94
- Publisher
- U.S. Food and Drug Administration
- Access
- Official
- Usage
- 9 connections
About Sleep
U.S. public-health context on sleep duration, quality, disorders, and adult sleep guidance.
- Trust score
- 91
- Publisher
- Centers for Disease Control and Prevention
- Access
- Official
- Usage
- 6 connections
CDC: Steps for Losing Weight
Centers for Disease Control and Prevention used across the Viral Vitalism evidence library.
- Trust score
- 91
- Publisher
- Centers for Disease Control and Prevention
- Access
- Official
- Usage
- 7 connections
Daily Value on the Nutrition and Supplement Facts Labels
Use for U.S. Nutrition Facts and Supplement Facts Daily Value context when discussing fiber, saturated fat, sodium, calcium, potassium, iodine, magnesium, and vitamins.
- Trust score
- 94
- Publisher
- U.S. Food and Drug Administration
- Access
- Official
- Usage
- 4 connections
Dietary Guidelines for Americans, 2025–2030
Use for current U.S. dietary-guidance context and contrast with zero-plant eating patterns.
- Trust score
- 91
- Publisher
- U.S. Department of Health and Human Services / U.S. Department of Agriculture
- Access
- Official
- Usage
- 3 connections
FDA: Concerns with Unapproved GLP-1 Drugs Used for Weight Loss
Canonicalized from rapid brief compounded-glp1-shadow-market-fda-warning.
- Trust score
- 94
- Publisher
- U.S. Food and Drug Administration
- Access
- Official
- Usage
- 1 connection