---
title: CDC — Sun Safety Facts
entity_type: Source
canonical_url: https://skinknowledgebase.com/sources/cdc-sun-safety-facts
date_modified: 2026-05-09
date_reviewed: 2026-05-09
mcp_eligible: true
source_type: regulatory
original_source_url: https://www.cdc.gov/skin-cancer/sun-safety/index.html
evidence_sources: []
product_fact_sources: []
---

# CDC — Sun Safety Facts

## Quick Summary

The U.S. Centers for Disease Control and Prevention's standing public-health page on sun safety. It restates the broad-spectrum, SPF-15-or-higher floor for sunscreen labeling in the United States and packages that recommendation alongside shade, protective clothing, and the timing of outdoor exposure as a single layered public-health message.

## What Studied

Not a study. This is an institutional public-health reference page from the CDC summarizing sun-safety guidance for the U.S. general population. It is positioned as the CDC's consolidated standing position on sun protection.

## Main Findings

The CDC recommends sunscreen labeled "broad-spectrum" with SPF 15 or higher for general use and reapplication every two hours during active sun exposure. It states explicitly that a higher SPF does not let users stay in the sun longer — it only blocks slightly more UVB — and that combining sunscreen with shade, protective clothing, and avoidance of midday peak UV is the most effective approach.

## Why It Matters

For a daily-SPF Question, the CDC source supplies independent public-health corroboration of the broad-spectrum floor and the "more SPF does not equal more time outside" framing. Pairing the CDC alongside FDA, AAD, and Skin Cancer Foundation citations gives the page convergent multi-authority backing for its daily-wear recommendation without overweighting any single source.

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- [What SPF should I use every day?](https://skinknowledgebase.com/questions/what-spf-should-i-use-every-day)