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

Arbutin

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

Anti-Aging

Bakuchiol

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

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.

Exfoliant

Glycolic Acid

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

Humectant

Hyaluronic Acid

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

Exfoliant

Lactic Acid

A gentler AHA that smooths while bringing a little hydration support.

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.

Antioxidant

Propolis Extract

A bee-derived extract used for glow, comfort, and antioxidant support.

Anti-Aging

Retinol

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

Brightening

Rice Bran Extract

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

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.

Brightening

Vitamin C

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