How often should I use it?

Start two or three times a week and build up as your skin tolerates it. Daily use suits oily skin; dry or sensitive skin may do better less often.

Can I use it with retinol or vitamin C?

Use it in a separate step from strong actives at first. Alternating nights or waiting between layers lowers the chance of irritation.

The BHA works inside the pore, and many owners report fewer blackheads with regular use. Expect gradual change over several weeks.

It is milder than many acid toners, but it still contains AHA and BHA. Patch test first, and avoid it on broken or irritated skin.

Yes. It is not a hydrating toner, so follow with a moisturizer, especially if your skin is dry.

AHA and BHA acids for exfoliation, plus mung bean extract and green plum water in the base.

At Beauty of Joseon, for $18.00, as of our latest check.

Rated 4.8 out of 5 from 4,425 ratings.

$18.00at Beauty of JoseonChecked Nov 10

Prices are checked against each store and labelled with when.

It checks today's price at every store, compares the alternatives and answers in about a minute.