As a medical aesthetician with over a decade of experience, I've seen how these trendy sunscreen formats perform in real-world conditions at my med spa in Greenwood Village. The truth is these products can provide protection but with significant limitations. In our clinical experience, powdered sunscreens like iS Clinical PerfecTint Powder SPF 40 are excellent for touch-ups over makeup and protecting often-missed areas like the scalp, but they simply cannot replace a primary sunscreen base. Most body mists and oils fail to provide adequate coverage due to uneven application. That's why at MD Body & Med Spa, we recommend physical sunscreen formulations like iS Clinical Eclipse SPF 50+ as your primary protection, which contains transparent Titanium Dioxide and micronized Zinc Oxide for superior coverage against both UVA/UVB rays. Application method matters tremendously. I've treated countless clients with sun damage despite "religious" sunscreen use - the culprit was almost always inadequate application. For optimal protection, you need approximately a shot glass amount for full-body coverage, reapplied every two hours of sun exposure or after swimming/sweating.