PMC Stratum Corneum CRS Imaging Study
At a glance
This source can support discussion of stratum-corneum measurement and why measured skin effects differ from perceived absorption. It cannot prove warmed-product benefits.
What this source is
This resource entry is a citation node. It explains how an outside source can be used inside the directory without turning it into product endorsement or universal advice.
What evidence can support
- Measurement context.
- Barrier and penetration claim caution.
- Why perception and measurement must stay separate.
What evidence cannot support
- Warming improves penetration.
- Warmed lotion changes measured barrier function.
- A product treats a skin condition.
Claim status
Allowed: neutral education, evidence limits, user-language clarification, and source-specific context.
Needs evidence: any specific temperature, formula, compatibility, hot-spot, baby, pregnancy, absorption, barrier, or skin outcome claim.
Do not say: universal user suitability, every-formula compatibility, pregnancy suitability, infant-care suitability, source-specific evidence reviewed, FDA approval wording for this warming method, localized overheating assurance, or improved skin outcomes unless a specific reviewed source and test protocol supports that exact statement.