Is OS-01 FACE SPF(OS-01 SHIELD) waterproof/water-resistant?

OS-01 FACE SPF(OS-01 SHIELD) is not water resistant. Though OS-01 FACE SPF(OS-01 SHIELD) is perfect for everyday use for most lifestyles, we recommend water-resistant sunscreen when swimming or sweating.

Is OS-01 FACE SPF(OS-01 SHIELD) broad-spectrum?

Yes! Per FDA Regulations, OS-01 FACE SPF(OS-01 SHIELD) passed the Broad Spectrum Test in 21 CFR 201.327(j). Additionally, OS-01 FACE SPF(OS-01 SHIELD) is rated PA+++, indicating that it provides high UVA protection.

How much should I use?

You should apply 2 mg per square centimeter of surface area to receive the SPF on the label. Though face sizes and the areas to which you apply vary, this works out to be a little less than ¼ teaspoon for your face on its own for most people.

How often is it recommended I reapply?

We recommend applying liberally to the face (and neck and chest if desired) as the last step in your skincare routine, before makeup and 15 minutes before sun exposure. Reapply at least every two hours.

Will OS-01 FACE SPF(OS-01 SHIELD) leave a white cast after applying it?

Based on consumer testing via a beta test and a consumer perception study run by a third-party research organization, most people agree that the non-tinted and tinted formulas blend seamlessly into their skin tone.