Question 1

What SPF should I use daily?

Accepted Answer

Dermatologists recommend a minimum of SPF 30 for everyday use. For extended outdoor activities or beach days, SPF 50+ is ideal. Remember: no sunscreen blocks 100% of UV rays.

Question 2

Does higher SPF mean I can reapply less often?

Accepted Answer

No! SPF ratings don't affect how long sunscreen lasts on your skin. All sunscreens should be reapplied every 2 hours when outdoors, and immediately after swimming or sweating.

Question 3

What's the difference between UVA and UVB protection?

Accepted Answer

UVB rays cause sunburn, while UVA rays cause premature aging and penetrate deeper. Look for "broad-spectrum" sunscreens that protect against both. PA+++ or PPD ratings indicate UVA protection.

Question 4

Can I use SPF moisturizer instead of sunscreen?

Accepted Answer

SPF in moisturizers is better than no protection, but studies show most people don't apply enough to achieve the labeled SPF. A dedicated sunscreen applied generously is always more effective.

Question 5

Do people with dark skin tones need sunscreen?

Accepted Answer

Absolutely! While melanin offers some natural protection, people with darker skin tones are still at risk of UV damage, skin cancer, hyperpigmentation, and premature aging. Everyone needs SPF.

SPF Calculator

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