A Drop of Seoul

Know your actives

Ingredient Dictionary

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.

Soothing

Centella Asiatica

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

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.

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.

Exfoliant

Salicylic Acid

An oil-soluble exfoliating acid used for clogged pores, blackheads, and breakouts.

Soothing

Tea Tree Leaf Extract

A familiar blemish-care botanical used for oily and breakout-prone routines.

Sebum Control

Zinc PCA

A lightweight oil-balancing ingredient used in products for shine, pores, and blemish-prone skin.