Isa Knox
<p>ISA KNOX is a Korean brand that pairs anti-aging skincare with color makeup, and this page gathers what we currently stock. On the skincare side the grid centers on the Tervina AD line: the Skinsofner toner, a regenerating softener, and the Luxury Fact treatment. On the makeup side you'll find base products like the Dual Cover and Celinho concealing cushions, eye and brow items such as the Ageless Eyeliner, auto brow pencils, a curling mascara, and tools like the 3-pack makeup puffs.</p><p>We list 100+ ISA KNOX products in stock, shipped from Korea so the formulas and shades match what's sold there. Use the badges and the guide below to find your pick: an anti-aging softener for mature skin, a cushion for everyday base, or an eye set to finish a look.</p>
By Skinsli editorial Updated
Buying guide
How to choose ISA KNOX makeup and skincare
ISA KNOX sits across two aisles at once: anti-aging skincare and color makeup. With 100+ products in stock here, your pick depends on which side you're shopping, what your skin or coverage needs are, and whether you want a treatment, a base, or an eye and brow finish. This guide walks through the lines in the grid and how to choose among them.
What ISA KNOX covers
ISA KNOX is a Korean brand that does both skincare and makeup under one name, which is why the grid mixes a Tervina AD softener with cushions, mascara, and brow pencils. The skincare leans anti-aging, and the makeup carries an "Ageless" theme that matches it, so the two halves are meant to work together. Decide first whether you're here for treatment, base makeup, or eyes and brows, and the sections below cover each.
The Tervina AD anti-aging line
On the skincare side, the Tervina AD range is the core, shown in the grid as the Skinsofner toner in 150ml, a regenerating softener, and the Luxury Fact treatment in 14g. A softener (toner) like the Skinsofner is the hydrating first step after cleansing, while the Luxury Fact is a more concentrated treatment for targeted anti-aging. This line suits mature or drier skin that wants a richer, slower routine. You may see the name written as both Tervina and Terbina, which is the same line transliterated two ways.
Base makeup: the cushions
For complexion, the grid has two cushions: the Dual Cover Cushion in 15g and the Celinho Concealing Cushion in 15g. A cushion is a liquid base soaked into a sponge that you tap on with the included puff, which makes it fast and travel-friendly. The Dual Cover leans toward fuller coverage, while a concealing cushion targets spots and uneven tone. Pick by how much coverage you want and match the shade to your skin before buying.
Eye and brow makeup
ISA KNOX covers the eyes and brows with several picks here: the Ageless Eyeliner in 6ml, the Eyebrow Auto Pencil and Auto Eyebrow in 4g, and the Deep Curling Ampoule Mascara. Auto pencils twist up with no sharpener, which keeps brows quick to fill, while the curling mascara lifts and holds lashes. If you want a coordinated eye look, this group lets you line, define brows, and finish lashes from one brand.
Makeup tools and accessories
The grid also carries tools, including the 3 Makeup Puffs 3-pack. Keeping spare puffs on hand matters with cushions, since a clean puff lays down base more evenly and a worn or dirty one drags product around. A multi-pack lets you rotate puffs while others dry after washing. If you use the cushions above, adding a puff refill is a small buy that keeps your base looking clean.
Building a full ISA KNOX look
Because ISA KNOX spans both steps, you can run skincare and makeup from one brand. Start with the Tervina AD softener and treatment so skin is prepped and hydrated, then move to a cushion for base, and finish with the eyeliner, brow pencil, and mascara. Keeping skincare and base from the same line tends to help textures sit well together. Shop the skincare first if anti-aging is your priority, and add the makeup steps you actually use.
Matching products to your needs
Map the product to the job. Mature or drier skin that wants treatment should start with the Tervina AD softener and Luxury Fact. Anyone after everyday complexion should compare the Dual Cover and Celinho cushions by coverage level and shade. For a polished eye, the eyeliner, auto brow pencils, and curling mascara cover lining, brows, and lashes. Reading each product page for shade, size, and finish helps you confirm the fit before you order.
Buying Korean-sourced ISA KNOX here
Every ISA KNOX item in this collection ships from Korea, so the formulas and makeup shades match what's sold on the domestic market rather than a reformulated export version. That matters for both the anti-aging skincare and the cushion shades, where the formulation and color are the whole point. Stock moves, so the 100+ count and the exact lines on the grid shift over time; the live grid above always shows what's available to order. A shade or size that reads in stock is ready to order now.
FAQ
Frequently asked questions
FAQ
Frequently asked questions
What is ISA KNOX known for?
ISA KNOX is a Korean brand that covers both anti-aging skincare and color makeup under one name. In this collection that means the Tervina AD skincare line sits next to cushions, mascara, and brow pencils, with an "Ageless" theme tying the makeup to the skincare. So when people shop ISA KNOX, they're usually after mature-skin treatment, everyday base makeup, or both.
What is the ISA KNOX Tervina AD line for?
Tervina AD is ISA KNOX's core anti-aging skincare range, shown here as the Skinsofner toner, a regenerating softener, and the Luxury Fact treatment. The softener is the hydrating first step after cleansing, and the Luxury Fact is a more concentrated treatment aimed at targeted anti-aging. It suits mature or drier skin that wants a richer routine. You may see the name spelled Tervina or Terbina, which is the same line written two ways.
What is the difference between the Dual Cover and Celinho cushions?
Both are ISA KNOX cushion foundations in 15g, but they aim at different needs. The Dual Cover Cushion leans toward fuller, all-over coverage, while the Celinho Concealing Cushion is built to target spots and uneven tone. Pick by how much coverage you want, and match the shade to your skin before buying. If you only need light correction in a few areas, the concealing cushion is the more focused choice.
How do I use an ISA KNOX cushion?
A cushion is a liquid base soaked into a sponge, and you press the included puff into it, then tap it onto the skin in thin layers. Build up where you want more coverage rather than applying one heavy pass. Keeping a clean puff matters, which is why the 3 Makeup Puffs 3-pack is handy for rotating puffs while others dry after washing. Apply it after your skincare has settled for the best finish.
Which ISA KNOX products cover eyes and brows?
The grid has the Ageless Eyeliner in 6ml, the Eyebrow Auto Pencil and Auto Eyebrow in 4g, and the Deep Curling Ampoule Mascara. The auto brow pencils twist up with no sharpener, so brows stay quick to fill, while the curling mascara lifts and holds lashes. Together they let you line, define your brows, and finish your lashes from one brand if you want a coordinated eye look.
Can I build a full routine with ISA KNOX skincare and makeup?
Yes, since ISA KNOX spans both. Start with the Tervina AD softener and Luxury Fact so skin is prepped and hydrated, then move to a cushion for base, and finish with the eyeliner, brow pencil, and mascara. Running skincare and base from the same line tends to help the textures sit well together. Buy the skincare first if anti-aging is your priority, then add the makeup steps you actually wear.
Are these ISA KNOX products shipped from Korea?
Yes, every ISA KNOX item in this collection ships from Korea, so the formulas and makeup shades match what's sold on the domestic market rather than a reformulated export version. That matters for both the anti-aging skincare and the cushion shades, where the formulation and color carry the value. Stock changes over time, so the live grid above always shows which products and shades you can order right now.

















