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Deep Dives

The K-beauty Ingredients Library

Every major Korean skincare ingredient explained: what it does, the science behind it, who it's for, and which UK-available products use it best.

Calming

Centella Asiatica

The calming powerhouse for sensitive and acne-prone skin. Anti-inflammatory, barrier-repairing, and backed by clinical studies.

Found in: COSRX, Skin1004, Anua, Dr.Jart+
Brightening

Niacinamide (Vitamin B3)

Pore-minimising, brightening, and oil-regulating. The Swiss Army knife of K-beauty — works for almost every skin type.

Found in: COSRX, Some By Mi, INISFREE
Regenerating

Snail Mucin

Regenerating, hydrating, and fascinatingly effective. The K-beauty ingredient that sounds strange and performs brilliantly.

Found in: COSRX, Benton, Mizon
Hydrating

Hyaluronic Acid

Not all HA is equal. Molecular weights, the UK humidity problem, and how to layer it correctly for maximum benefit.

Found in: Torriden, ISNTREE, Round Lab
Brightening

Galactomyces

The fermented yeast filtrate behind glass skin. Brightening, pore-refining, and the basis of some of K-beauty's most effective essences.

Found in: Some By Mi, SK-II alternatives
Anti-ageing

Peptides

Signal peptides, carrier peptides, and enzyme inhibitors — what each type does and how K-beauty formulates with them.

Found in: Bioxidea, Skin Alchemist
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