Sun Damage & Protection

Has the SPF 50 rating in Daycream Defence Repair been independently tested?

Updated 1. January 2024

Immediate Answer: Yes. The SPF 50 level in Daycream Defence Repair SPF 50 has been tested and verified by an independent third-party laboratory—it's not a self-declared figure. This matters because SPF claims in EU/EEA cosmetics regulation require documented verification, and independent testing provides an additional layer of consumer confidence.

The Science: In the European Union (and Norway via the EEA), sunscreen products that claim an SPF level must comply with the European Commission's recommendations on sunscreen efficacy (2006 Recommendation 647/EC). This requires SPF to be measured according to ISO 24444 (in vivo SPF test method), not calculated from ingredient concentrations alone.

The ISO 24444 protocol:

  • Applies the product at 2 mg/cm² to human subjects
  • Measures the minimal erythemal dose (MED) on both protected and unprotected skin areas
  • Calculates SPF from the ratio of the two values

An SPF 50 result from this protocol means the product consistently blocks approximately 98% of UVB rays under standardised conditions. Third-party verification adds an independent check that the in-house formulation delivers what the label claims.

What this means in practice: The SPF 50 value reflects actual performance at the recommended application amount—approximately 2–4 pumps covering face, neck, and décolletage every morning. Apply less, and protection drops significantly: applying half the amount doesn't give SPF 25—it can drop protection to SPF 7–10 or lower.

Pro Tip: If you're spending time outdoors or at high elevation (skiing, hiking), layer an additional dedicated mineral sunscreen over the daycream for maximum confidence. The Daycream's independent-tested SPF 50 is excellent for daily urban use—for extended outdoor exposure, the belt-and-braces approach ensures you're fully covered.

# SECTION 6: INGREDIENTS GUIDE

Was this helpful?