For every day in (and out of) the sun
Sun Care
⚠This site is undergoing renovation, and content will be slightly limited in the transition. Thanks for your understanding!
Higher SPF = Less Reapplying? Why That's Not How It Works
Many people believe that higher SPF sunscreen lasts longer and needs less frequent reapplication. Learn why SPF measures protection intensity—not duration—and why reapplication schedules remain the same regardless of SPF number.
Do You Need Sunscreen on Cloudy or Cold Days?
Many people skip sun protection when skies are overcast or temperatures drop. Learn why UV radiation remains a concern regardless of clouds or cold, and how to protect yourself year-round.
Sunscreen and Vitamin D: What the Science Actually Says
Concerned that sunscreen blocks vitamin D production? Learn why this worry is largely overblown and discover safer, more reliable ways to maintain healthy vitamin D levels without risking sun damage.
Does Sunscreen Cause Cancer? Debunking the #1 Sun Care Myth
The claim that sunscreen causes cancer is one of the most persistent sun care myths. Learn why rising skin cancer rates have nothing to do with sunscreen use and everything to do with better detection and changing behaviors.
The Utilitarian Case for Sun Care: A Simple Cost-Benefit Analysis
Breaking down the actual time and money costs of sun protection versus the benefits you receive—the math is surprisingly compelling.
Your Skin is Your Largest Organ (And Most Visible)
Skin is both your body's largest organ and the only one everyone can see. Here's why this unique combination makes it worth the same care we give to other vital organs.
Skin Health is General Health: The Body-Skin Connection
Your skin isn't just a surface-level concern—it's deeply connected to your overall health. Discover how caring for your skin, including sun protection, is really about caring for your whole body.
How Sun Care Maximizes Your Other Skincare Investments
Using acids, retinoids, peels, or laser treatments? Sun care isn't just compatible with these—it's essential for protecting your investment and preserving your results.
How Sun Care Prevents Premature Skin Aging
Learn how UV rays contribute to the vast majority of visible skin aging and discover practical sun care habits that can help preserve your skin's youthful appearance for years to come.
Protecting Yourself from Skin Cancer: What You Need to Know
Skin cancer is more common than you might think, and protection matters regardless of your skin tone. Here's what you should know about reducing your risk through sun care.
Prevention vs. Cure: The Sun Care Math
A straightforward look at the time and effort of daily sun protection versus the extensive treatments needed to reverse sun damage—spoiler alert, prevention wins by a landslide.
Why Sunscreen is Your Highest-ROI Skincare Product
Discover why sunscreen delivers the best return on investment of any skincare product, offering protection, prevention, and multi-functional benefits that no serum can match.
The Complete Sun Care Guide: Everything You Need to Know
Your ultimate resource for sun care knowledge—from understanding SPF and ingredients to building the perfect routine. Discover why protecting your skin matters and how to do it right.
All sunscreen filters in one table: Everything you need to know about each
Everything you ever wanted to know about sunscreen filters in one place.
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About Carylyne
About Carylyne
Hi! I’m Carylyne Chan, an experienced underdog-to-top-dog startup executive and entrepreneur.
I’m an advisor and angel investor to early-stage, lean teams focused on creating and dominating their own categories. I’m a partner at BlockSpaceForce, advising and building category-defining infrastructure and product companies in web3.
I’m also currently building two new brands: A sun care brand called Good Instincts and a tea brand named Portman Tea.
Previously, I was CEO at CoinMarketCap, which was acquired in 2020. My previous artificial intelligence startup (AngelPad S’16) was acquired in 2018.