Defining Issues

When sunscreen technology was new, scientists assessed only the erythema endpoint or SPF. New research has shown that long-wavelength UVA can also cause skin damage. Learn more »

What Works

Intermittent use of sunscreen is not enough to protect skin from sun damage. Learn more »

What's Coming

The frequency of sun protection failure raised the curiosity of P&G Beauty photobiologists. Learn more »

References

View the publications and studies referred to in this research update. Learn more »