Korean derma skincare
Derma skincare from Seoul, born in 2001 in professional skin care. Known for its sunscreens and its cooling Post Alpha pads.
- Derma skincare from Seoul, rooted in professional care since 2001
- Formulas from its own research lab, pHarrier Lab, the brand says
- A sunscreen for every skin type and finish
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A simple morning routine, all from Cell Fusion C.
CLEANSECELLFUSIONC Mild Acidic Barrier Cleansing Foam 165ml
PADCELLFUSIONC Post Alpha Cooling Pad
CREAMCELLFUSIONC Mild Acidic Barrier Cream 55ml
PROTECTCELLFUSIONC Laser UV Sunscreen 50mlAll CELLFUSIONC
74 products
Which Cell Fusion C sunscreen is right for you?
Six sun products, from the signature Laser UV to a stick.
Laser UV SunscreenEvery day, under makeupLight, close-fitting texturefrom $25
Aquatica Cooling SunscreenA cool, fresh feel71% hydrating essence, per the brandfrom $25
Toning SunscreenA brighter-looking toneTone-up sunscreenfrom $25
Derma Relief SunscreenDelicate skin, the whole familyMineral filtersfrom $43
Advanced Clear SunscreenCombination skin65% hydrating essence, primer-like finishfrom $43
Stick SunscreenReapplying on the goFresh, dry-touch stickfrom $29The Cell Fusion C guide
About Cell Fusion C
Cell Fusion C is a Korean derma skincare brand from Seoul, made by CMS LAB Co., Ltd. According to the brand, it began in 2001 with professional skincare for skin that needs specialized care, used in clinics after skin treatments.
Its research institute, pHarrier Lab, studies pH, hydration and the skin barrier. The brand’s own technologies include NEO-CMS® and pHarrier™.
The sun care range
Sun care is the heart of the brand. The Laser UV Sunscreen is its signature: a light, close-fitting sunscreen that sits well under makeup, according to the brand. Around it: Aquatica Cooling Sunscreen (71% hydrating essence, with a cooling feel), the tone-up Toning Sunscreen, the mineral Derma Relief Sunscreen, Advanced Clear Sunscreen (65% hydrating essence, primer-like finish) and several sun sticks.
The Tone-Up Sun Base range combines sun protection and makeup base: Neutral (beige), Blurring (purple), WaterFit (pink) and Clear.
The main lines
- Post Alpha: the cooling line, with the Post Alpha Cooling Pad, Cooling Peptide Ampoule, Cooling Gel Cream and cooling masks.
- pHarrier (Low pH): a mild acidic line for dry, sensitive skin — sold here as “Mild Acidic Barrier” (cleansing foam, toner, cream).
- Toning C: vitamin C care, including the Toning C Vita Shot Ampoule.
- Glass Skin: Collagen Cream, Serum, Toner and Cushion for a glassy glow.
- Radiance Vita, Red Ultimate, TRE.AC (sold here as “Triac”) and PHA Enzyme for pores and cleansing.
Which Cell Fusion C for your skin?
- Skin that feels hot after sun: the Post Alpha pads, ampoule and gel cream.
- Dry or sensitive skin: the Mild Acidic Barrier (pHarrier) cleanser, toner and cream.
- Dull-looking skin: Toning C and Radiance Vita.
- Pores and oil: PHA Enzyme cleansers and the Triac Pore Pad.
- Light base makeup: Skin Blemish Balm Intensive, WaterFit Recover BB Cream or the Glass Skin Cushion.
A simple routine
Morning: Mild Acidic Barrier Cleansing Foam, a Post Alpha Cooling Pad, a serum, Mild Acidic Barrier Cream, then Laser UV Sunscreen.
Evening: PHA Enzyme Pore Cleansing Oil or Clear Micellar Cleansing Water, then your cleanser, serum and cream. New product? Patch test first.
Buying Cell Fusion C at Kool Seoul
We buy every Cell Fusion C product in Korea, from the brand and official Korean retailers, and ship it from our office in Itaewon, Seoul. Orders are prepared in 2–5 business days, then K-Packet takes 7–14 business days and DHL Express 2–5, both tracked. Prices are in USD; duties or import taxes may apply on arrival depending on your country.
Questions? We answer.
Is the Cell Fusion C sold on Kool Seoul authentic?
Yes. We buy Cell Fusion C in Korea from the brand and official Korean retailers, and ship it from our office in Seoul.
Which Cell Fusion C sunscreen should I pick?
Laser UV for every day under makeup, Aquatica Cooling for a fresh, cool feel, Derma Relief for mineral filters, Advanced Clear for combination skin, a stick to reapply on the go.
What is the Post Alpha line?
Cell Fusion C’s cooling line: pads, ampoule, gel cream and masks designed to cool and comfort skin, according to the brand.
Mild Acidic Barrier or pHarrier: what’s the difference?
None — it is the same Korean line (약산성 패리어). The brand calls it Low pH pHarrier in English; our product names use “Mild Acidic Barrier”.
How long does shipping to the US take?
We prepare your order in 2–5 business days. K-Packet then takes 7–14 business days, DHL Express 2–5, both tracked.
Will I pay import duties?
Duties or import taxes may apply on arrival depending on your order. They are set by your local authorities and paid by the recipient.
If you like Cell Fusion C
Updated October 2026 · Prices in USD