August 21, 2026 · 20 sunscreens tested
Gold Tested
SPF is a lab number. Real-world protection depends on how much you actually apply and whether it rubs off. We tested 20 sunscreens on five skin types during outdoor exercise and measured UV exposure with dosimeter patches.
La Roche-Posay Anthelios Melt-In Milk SPF 100 by La Roche-Posay
The La Roche-Posay Anthelios blocks 99.4% of UV in our real-world test — the highest we measured. Its fluid texture spreads thin enough that people actually use the correct amount, which is the most i
Panelists applied each sunscreen at the standard 2mg/cm² and wore UV dosimeter patches during two hours of outdoor activity. We measured actual UV transmission, reapplication ease, white cast on five skin tones, and comedogenicity over four weeks.
The La Roche-Posay Anthelios blocks 99.4% of UV in our real-world test — the highest we measured. Its fluid texture spreads thin enough that people actually use the correct amount, which is the most important factor in sun protection.
Specifications
| SPF | 100 |
| Type | Chemical + mineral |
| UVA | PA++++ |
| Water resistant | 80 minutes |
| Size | 5 fl oz |
| Fragrance | None |
The La Roche-Posay Anthelios Melt-In Milk SPF 100 earns our top pick because it outperformed the competition in the metrics that matter most. At an overall score of 9.4 against a category average of 7.0, the gap speaks for itself. If you are looking for the best in this category, start here.
La Roche-Posay