The Journal

Ingredient deep-dives, routine guides and honest K-beauty analysis for combination skin.

Niacinamide: The Multitasker Your Routine Probably Already Needs
πŸ“š Science

Niacinamide: The Multitasker Your Routine Probably Already Needs

Vitamin B3 is everywhere in skincare right now β€” and for once, the hype is largely justified.

SkinRevu19 May 2026
Retinol vs Retinal: What Is Actually the Difference?
πŸ“š Science

Retinol vs Retinal: What Is Actually the Difference?

Both are forms of Vitamin A. One is significantly more potent β€” and K-beauty is increasingly choosing the stronger option.

SkinRevu19 May 2026
Vitamin C in Skincare: Genuinely Useful, Frequently Wasted
πŸ“š Science

Vitamin C in Skincare: Genuinely Useful, Frequently Wasted

L-ascorbic acid is one of skincare's most evidence-backed actives β€” but formulation makes or breaks it entirely.

SkinRevu19 May 2026
Beta-Glucan: The Quietly Effective Ingredient Having Its Moment
πŸ“š Science

Beta-Glucan: The Quietly Effective Ingredient Having Its Moment

Searches are up 181 per cent year-on-year. Unlike many trending ingredients, beta-glucan's popularity is built on genuine evidence.

SkinRevu19 May 2026
The Skin Barrier: What It Is and Why K-Beauty Got There First
πŸ“š Science

The Skin Barrier: What It Is and Why K-Beauty Got There First

Barrier health is 2026's defining skincare concept. Korean beauty understood its importance a decade before the rest of the market caught up.

SkinRevu19 May 2026
PDRN in Skincare: Science, Promise, and the Marketing Gap
πŸ“š Science

PDRN in Skincare: Science, Promise, and the Marketing Gap

The salmon-derived DNA fragment has a genuine medical pedigree β€” but the gap between injectable evidence and topical reality is wider than most brands admit.

SkinRevu30 March 2026

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