Sun Safety Expertise
Science-backed guidance on UV protection, skin types, outdoor activities, and keeping your family safe in the sun.
Hats, Sunscreen, or Shade? What Actually Protects Kids Most from UV Rays
All three protect children from UV rays — but they work in completely different ways. Here's what the science says about each, and why layering them together beats any one approach alone.
The First 10 Years Are Everything: Why Sun Damage in Childhood Is a Lifetime Problem
The UV damage children accumulate before age 18 silently sets the stage for skin cancer and vision loss decades later. Here's what every parent needs to understand.
SPF vs UPF: What's the Difference and Which Do You Actually Need?
SPF 50 and UPF 50 look identical on a label. They measure completely different things. Here's what each rating actually tells you — and why outdoor enthusiasts need both.
Run with Us: Bronte Runners — Oakville's Largest Running Community
Close to 700 members, organized runs every week, and a home base at Bronte Harbour. Here's everything about joining one of Halton's largest running groups.
How Much Sun Do You Actually Need for Vitamin D? The Real Numbers.
Most people need 10–30 minutes of arm and leg exposure for vitamin D — depending on skin type. Staying longer adds UV damage, not more vitamin D.
Sunscreen: How to Actually Use It (Most People Are Getting It Wrong)
Half-application of SPF 30 gives you SPF 5. Here's how much sunscreen to actually use, what SPF means, and when to reapply — based on dermatologist guidance.
How Long Can You Stay in the Sun? The Skin Type Answer You Actually Need
Safe time in the sun isn't 20 minutes for everyone. Here's the real chart by Fitzpatrick skin type and UV index — and what changes your numbers.
There Is No Safe Tan — What a Dermatologist Wants You to Know
There is no safe tan. Any skin darkening from UV — including a light tan or new freckle — means DNA damage has already occurred. Here's the science.
UV Index Explained: What Every Number Actually Means
The UV index runs 0 to 11+. Here's what each number means, when you need sunscreen, and how SunUp turns it into a personalized safe-time recommendation.
SunUp App Features: Your Complete Sun Safety Companion
SunUp is a free iOS app that personalizes UV safety by skin type, activity, and GPS location. Here's every feature — and why it goes beyond basic UV apps.
Complete Sun Safety Guide for Hiking and Trail Running
Altitude increases UV 10–12% per 1,000m. Hikers get burned more than almost any outdoor group — here's why and how to protect yourself on trails.
Fitzpatrick Skin Types: Which Type Are You and Why It Matters for Sun Safety
The Fitzpatrick Scale classifies skin into 6 types by UV sensitivity. Knowing yours is the most important step toward personalized sun protection.
How to Protect Your Family's Skin: A Parent's UV Safety Guide
Over 80% of lifetime UV exposure happens before age 18. Here's the complete parent's guide to protecting your family — from infants to teenagers.
Air Quality + UV Index: Why Both Matter When You Go Outside
Wildfire smoke reduces UV but creates serious respiratory risk. Here's why monitoring air quality and UV together gives a complete outdoor safety picture.