A Drop of Seoul

Know your actives

Ingredient Dictionary

Anti-Aging

Adenosine

A well-aging ingredient commonly used in Korean wrinkle-care cosmetics.

Soothing

Allantoin

A gentle soothing ingredient that helps rough, irritated skin feel smoother.

Brightening

Azelaic Acid

A tone and blemish-support ingredient used for redness, bumps, and uneven marks.

Anti-Aging

Bakuchiol

A plant-derived active used in gentle well-aging routines as a retinol-adjacent option.

Soothing

Centella Asiatica

A calming herbal extract, often called 'cica,' built around redness relief and barrier recovery.

Barrier Support

Ceramide NP

A skin-identical lipid used to support a stronger, more comfortable moisture barrier.

Humectant

Glycerin

A classic humectant that quietly keeps skin comfortable, hydrated, and flexible.

Antioxidant

Green Tea Extract

An antioxidant-rich tea extract used to calm, protect, and balance oily skin.

Soothing

Heartleaf Extract

A Korean calming botanical often used for oily, reactive, or breakout-prone skin.

Humectant

Hyaluronic Acid

A water-binding humectant that helps skin look plump, bouncy, and less tight.

Soothing

Madecassoside

A purified centella compound used for redness, comfort, and barrier support.

Exfoliant

Mandelic Acid

A larger-molecule AHA often chosen for slower, gentler exfoliation.

Soothing

Mugwort Extract

An herbal calming extract used in Korean skincare for stressed, flushed, or blemish-prone skin.

Brightening

Niacinamide

A do-it-all vitamin B3 derivative that calms, brightens, and helps regulate oil.

Humectant

Panthenol

A pro-vitamin B5 ingredient loved for soft hydration and barrier comfort.

Anti-Aging

Peptides

A broad family of skin-supporting ingredients used for firmness, comfort, and well-aging.

Brightening

Rice Bran Extract

A traditional grain-derived extract used for soft brightness and skin comfort.

Humectant

Snail Mucin

A slippery, glycoprotein-rich filtrate that hydrates and helps skin recover after irritation.

Humectant

Sodium Hyaluronate

A common hyaluronic acid salt used for lightweight, layerable hydration.

Emollient

Squalane

A lightweight emollient oil that softens skin and supports barrier comfort.

Brightening

Tranexamic Acid

A modern brightening ingredient used for stubborn uneven tone and discoloration.