For every day in (and out of) the sun
Sun Care
If you're looking for a list of ALL sunscreen filters in the US and their properties, take a look here!
How to Reapply Sunscreen Over Makeup
Reapplying sunscreen doesn't have to ruin your makeup. Learn the sponge and brush techniques that let you touch up sun protection without starting your face over.
The Two-Layer Sunscreen Technique for Better Coverage
Struggling to get even sunscreen coverage? The two-layer technique uses consecutive thin applications of the same sunscreen for smoother, more reliable protection without the thick, greasy feel.
Setting Up a Sun Care Routine for Kids
Build a year-round sun care routine for children using fun formats, strategic placement, and school-friendly strategies that make protection feel like a normal part of every day.
The Perfect Morning Sun Care Routine for Adults
Master your morning sun care routine with strategic product placement and habit stacking techniques that make SPF application automatic before you walk out the door.
Blue Light and Sunscreen: Do You Need Protection from Screens?
Blue light from screens has become a skincare buzzword, but does it actually damage your skin? Learn what the science says and which ingredients actually help with high-energy visible light.
Tinted Sunscreens: More Than Just Color
Learn how tinted sunscreens provide protection beyond UV rays, shielding your skin from blue light and visible light damage while offering cosmetic benefits that make daily wear easier.
Does Sunscreen Kill Coral Reefs? The Real Story
Headlines blame sunscreen for coral reef destruction, but where does it actually rank among threats to marine ecosystems? Learn what science says about sunscreen and coral health.
US vs. International Sunscreen Filters: Why the Difference Matters
Explore why American sunscreens lag behind international formulations, the regulatory differences that created this gap, and the newer filters available abroad that offer superior protection.
Mineral Sunscreen Filters: Zinc Oxide and Titanium Dioxide Explained
Discover how zinc oxide and titanium dioxide protect your skin, their spectrum coverage, when to choose mineral sunscreens, and the truth about nano versus non-nano particles.
Understanding Sunscreen Filters: A Complete Guide
Learn how sunscreen filters protect your skin from UV damage, the differences between mineral and chemical filters, and why formulation matters more than individual ingredients.
It's Never Too Late to Start Using Sunscreen
Think you've already done too much sun damage for sunscreen to matter? The science shows that starting sun protection at any age provides real benefits for your skin health.
Seed Oils Are Not Sunscreen: A Dangerous Internet Myth
Claims that olive oil, coconut oil, or raspberry seed oil can replace sunscreen are spreading online. Here's why this myth is dangerous and what the research actually shows.
Tell a Story, Not Statistics: Making Sun Care Relatable
Discover why personal stories and visual examples are far more persuasive than statistics when talking about sun protection—and how to use storytelling to help skeptics understand.
The Right Amount of Sunscreen (Hint: It's Not Pea-Sized)
Think a pea-sized amount of sunscreen is enough? This common advice leaves your skin dangerously unprotected. Learn the correct amount you actually need for effective sun protection.
Why is Good Sunscreen So Expensive?
Ever wonder why premium sunscreens cost so much more than drugstore options? Discover what really drives sunscreen pricing—from R&D to testing—and how to find the right balance between experience and budget.
How to Talk to Someone Who Won't Use Sunscreen
Learn the five key principles for having productive conversations about sun protection with skeptics—without damaging your relationship or pushing them further away.
Do People with Dark Skin Need Sunscreen?
While people with dark skin have significantly lower skin cancer rates, sunscreen offers important benefits beyond cancer prevention including protection against hyperpigmentation, sunburn, and premature aging.
Does Sunscreen Disrupt Hormones? A Balanced Look at the Evidence
Headlines about sunscreen and hormone disruption can be alarming. Here we examine what the research actually shows, separate fact from fear, and provide practical guidance for those with concerns.
Do You Need Sunscreen Indoors? The Window Question
Should you wear sunscreen when you're inside all day? Learn the truth about UV exposure through windows, when indoor sun protection matters, and practical alternatives like UPF clothing.
How Often Should You Really Reapply Sunscreen?
Every two hours? After swimming? What about indoors? Get clear, practical guidance on sunscreen reapplication timing for different situations, plus tips for actually remembering to do it.
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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.