uv index sunscreen guide [High UV] — Sep 2025
The UV Index measures the strength of UV radiation.
Step 1
0-2: Low risk
Step 2
3-5: Moderate risk
Step 3
6-7: High risk
Step 4
8-10: Very high risk
Step 5
11+: Extreme risk
Step 6
SPF 30 for daily use
Read full guide
makeupcast.com/guides/uv-index-sunscreen-guide