O21

O21's catalogue is mostly facial skincare, with a body sub-line attached. On the face side you get serums, two cleansers, and a toner, grouped under names like White Swan and Vegan Recipe. The body side is the Incombo parfum line, which covers a body cream, a shower gel, and a face-and-body soap. So the brand handles a full face routine plus a scented body option, which is why the grid looks broader than a pure serum brand would.

Serums are the heart of the range. The grid lists a Galactomyces Vitamin C Premium Black Swan Serum at 15ml, a Galactomyces Vitamin C Double Brightening Serum at 50ml, a White Swan Centella Luminus Mist Serum at 100ml, and a Vegan Recipe Botanical Green Sika Serum at 50ml. The vitamin C and galactomyces pair lean toward brightening, while the centella and sika options lean toward calming. Pick by the concern you want to treat and by the size that matches how often you will use it.

O21 gives you two ways to cleanse. The White Swan Perfect Foam Cleansing is a 150g foaming wash, and the Vegan Recipe Whipped Pack Cleanser is a 110g product that doubles as a wash-off pack. The foam is the everyday option; the whipped pack is the one to reach for when you want a slightly heavier cleanse. Either sits at the start of your routine, before the toner and serums.

The Ahabahapaha Tea Tree Calming Toner comes in a 150ml bottle and sits right after cleansing. Tea tree is a common pick for skin that breaks out or runs oily, and a calming toner is meant to settle the skin before you layer serums on top. If your main concern is congestion or redness, this is the O21 step that targets it directly.

Incombo is O21's scented body range. The grid lists a Body Parfum Cream and a Body Parfum Shower Gel, both at 200ml, plus a Body and Face Parfum Soap at 100g. These are fragranced body products rather than treatment skincare, so they belong to the part of your routine that is about how you smell rather than what you are treating. They make an easy add-on if you already like the brand's face care.

A full O21 face routine has a clear order. Start with a cleanser, either the foam or the whipped pack. Follow with the tea tree toner to settle the skin. Then layer a serum chosen for your goal, brightening with the vitamin C and galactomyces options or calming with the centella and sika ones. If you want the scented body products too, use the Incombo cream or shower gel separately in the shower or after it. That sequence covers cleanse, tone, treat, with body scent on the side.

O21 sizing tells you how each product is meant to be used. The 15ml Black Swan serum is a small, concentrated bottle, while the 50ml and 100ml serums are everyday sizes. The cleansers are 110g and 150g, and the Incombo body products are 200ml each. For a first order, a single 50ml serum plus one cleanser is a sensible starter. Save the smaller 15ml premium serum for when you want to try a concentrated formula without committing to a large bottle.

O21 is a Korean skincare brand, and we list it on skinsli with the rest of our Korean range. Ingredients like galactomyces, centella, and tea tree are staples of K-beauty, and O21 builds most of its serums around them. If you already follow a Korean routine and want a brand that covers cleanser, toner, and serum under one name, O21 fits that gap.