10 Sunscreen Myths You Still Believe

Misinformation about sunscreen is everywhere. Let’s bust 10 common myths.

Myth 1: You Don’t Need Sunscreen Indoors

False. UVA rays penetrate windows. Apply SPF daily, even indoors.

Myth 2: Darker Skin Doesn’t Need Sunscreen

False. Skin cancer can occur in all skin tones, often presenting later and more dangerously in people of color.

Myth 3: SPF Makeup is Enough

Partially false. You need 7x the typical amount of foundation to get the SPF listed. Use dedicated sunscreen under makeup.

Myth 4: Sunscreen Causes Vitamin D Deficiency

Largely false. Most people don’t apply enough sunscreen to block vitamin D synthesis completely.

Myth 5: You Can’t Get Sunburned on Cloudy Days

False. Up to 80% of UV rays penetrate clouds.

Myth 6: Higher SPF Provides Proportional Protection

False. SPF 30 = 97%, SPF 100 = 99%. The jump is only 2%.

Myth 7: Waterproof Sunscreen Lasts All Day

False. No sunscreen is truly waterproof. Water resistant formulas last 40-80 minutes.

Myth 8: You Only Need Sunscreen in Summer

False. UV rays are present year-round. Snow reflects up to 80% of UV rays.

Myth 9: Sunscreen Causes Cancer

False. Major health organizations agree approved sunscreens are safe and effective.

Myth 10: All Sunscreens are the Same

False. Chemical and mineral sunscreens work differently.

Bonus: Bob Marley died from melanoma

Skin cancer doesn’t discriminate by skin tone, and people of color often have worse outcomes due to late detection.

The Truth About Sun Protection

Daily (365 days a year), generous (1/4 tsp for face), frequent (every 2 hours), combined (sunscreen + hats + shade), broad spectrum (UVA + UVB).