Sun-Protection-and-SPF
                     Sun Protection & SPF
Understanding the science of sun safety and choosing the right 
protection for healthier skin.
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Understanding UV Radiation
UVA Rays
Penetrate deeply into skin, causing premature aging, wrinkles, and long-
term damage. Present year-round, even through clouds and windows.
UVB Rays
Target the skin's surface, causing sunburns and playing a key role in skin 
cancer development. Intensity varies by season and time of day.
Both UVA and UVB rays contribute to skin cancer risk and damage. Broad-
spectrum sun protection guards against both types effectively.
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Types of Sunscreen
Physical (Mineral) Chemical (Organic)
• Contains zinc oxide or titanium dioxide • Absorbs into skin layers
• Sits on skin surface, reflecting UV rays • Converts UV rays to heat energy
• Works immediately upon application • Requires 15-20 minutes to activate
• Ideal for sensitive skin types • Lighter, more cosmetically elegant
Choose broad-spectrum formulas with SPF 30 or higher for optimal protection. Reapply every two hours and after swimming or 
sweating.
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Common Sun Exposure Myths
Myth: You don't need sunscreen on cloudy days Myth: Darker skin doesn't need sun protection
Truth: Up to 80% of UV rays penetrate clouds. Daily Truth: While melanin provides some natural protection, 
sun protection is essential regardless of weather all skin types are vulnerable to UV damage and need 
conditions. sunscreen.
Myth: A base tan protects against sunburn Myth: Sunscreen prevents vitamin D absorption
Truth: Tanning is your skin's injury response. It offers Truth: Sunscreen allows sufficient UV for vitamin D 
minimal protection (SPF 3 or less) and indicates DNA production. You can also obtain vitamin D through diet 
damage. and supplements safely.
Your Sun Protection Action Plan
01 02 03
Apply Generously Reapply Frequently Seek Shade
Use one ounce (shot glass full) of Reapply every two hours, or Limit direct sun exposure between 10 
sunscreen for full body coverage, 15-30 immediately after swimming, sweating, AM and 4 PM when UV rays are 
minutes before sun exposure. or towel drying. strongest.
04 05
Wear Protection Check Expiration
Complement sunscreen with protective clothing, wide- Replace sunscreen after three years or if exposed to high 
brimmed hats, and UV-blocking sunglasses. temperatures, which can reduce effectiveness.
Make sun protection a daily habit for lifelong skin health. Your skin will thank you for decades to come!
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