The Skin Bliss Journal
Science-backed insights for your best skin. Deep dives into ingredients, routines, and the cutting edge of skincare science.
Filter by topic
What Is Slugging and How Does It Repair Your Skin Barrier?
What slugging is and how an occlusive layer may reduce water loss and support barrier repair overnight, plus who should skip this popular K-beauty trend
Building a Skincare Routine From Zero: A 30-Day Onboarding Plan
Start with three basics, then add one active at a time. A week-by-week 30-day plan for building a calm, effective skincare routine without the overwhelm.
Bakuchiol vs. Retinol: An Honest Comparison of the Evidence
Bakuchiol and retinol produce comparable results in one 12-week RCT, with bakuchiol causing less irritation. Here is what the evidence actually shows.
Can Tinted SPF Replace Your Foundation?
Can a tinted SPF replace your foundation, how iron oxides may add visible light defense, and how to build a one-product base that still protects skin
Should You Use Vitamin C Under Sunscreen?
Why vitamin C serum belongs under sunscreen, not over it, and how layering antioxidants with SPF may give you stronger daily defense against UV damage
AHA vs. BHA vs. PHA: A Decision Tree for Choosing Your Exfoliant
AHA, BHA, or PHA? Learn which chemical exfoliant suits your skin type, how each acid penetrates skin, and how to build a safe routine.
Hypochlorous Acid for Acne, Rosacea, and Eczema
How hypochlorous acid may help acne, rosacea, and eczema by targeting bacteria and inflammation, and when it works best as an adjunct to other care
Do You Need SPF on Your Lips and Eyelids? Why These Areas Age Fastest
Why lips and eyelids need dedicated SPF, how thinner skin and less melanin may drive faster photoaging, and what formulas work safely around the eyes
Tretinoin Alternatives for Sensitive Skin: A Gentler Retinoid Ladder
Gentler tretinoin alternatives for sensitive skin including retinal, adapalene, azelaic acid, and bakuchiol, and which may suit your barrier best
How to Build an Active-Tolerant Routine in 6 Weeks
Build an active-tolerant routine using ceramides, azelaic acid, and prebiotics so retinoids and acids can work without the usual redness and peeling
AI Skin Analysis vs. Dermatologist: Which Is More Accurate?
How AI skin analysis tools compare with dermatologists, where they shine, where they fall short, and how they may fit into smart tracking routines
Azelaic Acid for Sensitive Skin: A Beginner's Guide
Why dermatologists reach for azelaic acid during barrier repair, and how it may calm redness, spots, and sensitivity without stressing fragile skin