Sunscreen Ranker journal
The sunscreen
journal.
Daily, evidence-led notes on SPF, UV filters, and sun protection — every claim sourced, no cap.
- Sensitive skin Building a Gentle Year-Round Sun Routine for Reactive Skin An awareness-month roadmap for sensitive, reactive skin. Read it →
- Formulation Why SPF Expires (and What Happens If You Use Old Sunscreen) Degraded filters mean degraded protection. Read it →
- Skin cancer Tanning Beds and Young Women: The Risk Nobody Mentions Indoor tanning before 35 sharply raises melanoma risk. Read it →
- Application The Ultimate Sunscreen Reapplication Cheat Sheet Save-and-screenshot reapplication guidance for every scenario. Read it →
- UV science The UV Index Will Peak Soon — Here's What That Means Late spring is when UV starts climbing toward its summer high. Read it →
- Trends How to Talk Friends Out of the Anti-Sunscreen Trend A kind, sourced script for the group chat. Read it →
- Skin cancer Children and Skin Cancer Prevention: The Lifetime Payoff Protecting kids now lowers their adult skin cancer risk. Read it →
- Filter chemistry Why Broad-Spectrum Beats High SPF for Cancer Prevention UVA coverage is the part the SPF number ignores. Read it →
- Sensitive skin Sunscreen Allergy vs Irritation: How to Tell the Difference Not every reaction means you're allergic to SPF. Read it →
- Application Don't Fry Day Prep: Your Memorial Day Weekend Sun Plan The Friday before Memorial Day kicks off sun-safety season. Read it →
- Skin cancer What a Dermatologist Looks for in a Skin Check Here's exactly what happens in a skin check, so you'll finally book one. Read it →
- Application Reapplying Over Sweat: Summer Sport Sunscreen Strategy How to keep protection on through workouts and games. Read it →
- UV science Why Sunscreen Is the Cheapest Anti-Aging Product You'll Buy A $15 bottle outperforms a $150 serum for aging. Read it →
- Trends The Cost of Sunscreen Misinformation, in Real Cases Why bad SPF advice isn't harmless. Read it →
- Skin cancer Skin Cancer and Family History: When to Be Extra Vigilant Genetics raise the stakes, so here's your action plan. Read it →
- Formulation After-Sun Care: What Actually Helps a Sunburn Heal Evidence-based relief, not just aloe vibes. Read it →
- Global How Australia Cut Its Melanoma Rates Lessons from the country that gave us Slip, Slop, Slap. Read it →
- Skin cancer Where Melanoma Hides: The Spots You're Not Checking Scalp, soles, nails, between the toes: the zones that are easy to miss. Read it →
- UV science What Happens to Your DNA When You Tan There's no such thing as a healthy tan. Read it →
- Trends Why Gen Z's Sun Habits Worry Dermatologists The survey data behind dermatologists' concern, and how to flip it. Read it →
- Skin cancer Skin Cancer Types 101: Basal, Squamous, and Melanoma Know the three skin cancers so you know what to watch for. Read it →
- Filter chemistry The Filters That Best Protect Against Melanoma-Linked UV Matching filter chemistry to cancer prevention. Read it →
- Sensitive skin Skin Cancer Prevention for Sensitive Skin Types Protection that doesn't trigger irritation. Read it →
- Skin cancer Sunburn Math: How Many Burns Until It's Dangerous? Quantifying the risk most people underestimate. Read it →