A Drop of Seoul

Know your actives

Ingredient Dictionary

Brightening

Arbutin

A tone-evening ingredient used for the look of dark spots and post-blemish marks.

Brightening

Azelaic Acid

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

Exfoliant

Glycolic Acid

A small-molecule AHA used for glow, smoothness, and uneven texture.

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.

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.

Anti-Aging

Retinol

A vitamin A active used for texture, fine lines, and long-term skin renewal.

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.

Brightening

Vitamin C

A classic antioxidant and brightening active used for glow, tone, and environmental support.

Sebum Control

Zinc PCA

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