Myths vs facts: hsCRP and skin aging

The question of myths vs. facts regarding hsCRP and skin aging requires nuance. hsCRP (high-sensitivity C-reactive protein) is a well-established biomarker for systemic inflammation, primarily used for cardiovascular risk assessment. The link to skin aging is indirect: chronic low-grade inflammation (inflammaging) is known to accelerate skin aging, e.g., via collagen degradation and reduced elasticity. However, there is no strong, direct evidence that a single hsCRP level specifically predicts skin aging. Most studies are observational or mechanistic, with moderate effect sizes. A myth would be claiming that elevated hsCRP automatically means rapid skin aging – this is unsubstantiated. Fact: hsCRP can be part of an inflammatory profile, but skin aging is multifactorial (UV exposure, genetics, lifestyle). Direct-to-consumer tests linking hsCRP to skin aging are often marketing-driven. For a reliable assessment, clinical context and additional biomarkers (e.g., skin analysis, oxidative stress markers) are needed. Safety note: elevated hsCRP should be medically evaluated, not solely for skin aging concerns.