Lie.skin

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Sun & Protection

SPF, UV and protecting your skin barrier

Sun & Protection

Why Sun Damage Is Cumulative — and Mostly Invisible Until Later

The sun’s biggest effect on skin isn’t the occasional burn. It’s the small, daily, unnoticed exposure that quietly adds up over years.

5 min read

Sun & Protection

Mineral vs Chemical Sunscreen: Which One Should You Actually Use?

The mineral-versus-chemical debate generates more heat than light. Both protect; the best choice is the one you’ll wear every day.

5 min read

Sun & Protection

The Reapplication Problem: Why One Morning Layer Isn’t Enough

Sunscreen wears off through the day. The morning application everyone remembers is only half the job on high-exposure days.

4 min read

Sun & Protection

What SPF Numbers Actually Mean (and Why Higher Isn’t Twice as Good)

SPF 50 is not double SPF 25. Understanding the real numbers helps you choose sensibly and, more importantly, apply enough.

5 min read

Sun & Protection

Reapplying Sunscreen Over Makeup and Through a Busy Day

Morning sunscreen wears off by lunch — but reapplying seems impossible over makeup or at a desk. The realistic methods that actually keep you protected.

6 min read

Sun & Protection

UVA, UVB and the Numbers on the Bottle: Sunscreen Labels Decoded

SPF, broad-spectrum, PA+++ — what the sunscreen label actually promises. The two kinds of ultraviolet, why 'broad-spectrum' matters more than a high number, and how much to use.

7 min read

Sun & Protection

Is the SPF in Your Makeup Actually Protecting You?

SPF 30 foundation sounds like sunscreen you can wear as a face. The arithmetic of application amounts says otherwise — here's the honest math and the routine that fixes it.

6 min read

Sun & Protection

Sunscreen and Deeper Skin Tones: Past the White Cast

Melanin offers some protection but nowhere near enough — and the white-cast problem is real. Why darker skin still needs sunscreen, and how to find one that disappears.

6 min read

Sun & Protection

The Sunhat Lesson: A Family Story About Skin That Children Remember

Sun protection habits are set in childhood, when the skin is most vulnerable and the lessons stick deepest. A story to read with kids — and the science for parents underneath it.

6 min read

Sun & Protection

After Too Much Sun: What Actually Helps Skin Recover

The damage from a sunburn is done the moment it happens — but comfort and recovery still matter. Evidence-based aftercare, and the aftercare myths to skip.

6 min read

Sun & Protection

Sunscreen: The Most Effective Anti-Ageing Product You Already Own

No serum comes close. Why daily sun protection is the best-supported skincare step of all, how much to use, and the myths that stop people wearing it.

8 min read