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Cell Fusion C Post Alpha Cooling Skin Booster Serum is a 150ml watery first step that absorbs surface heat on application — hydration for skin tired by sun and heat.
Absorbs heat from the surface
The formula lowers how hot skin feels the moment it goes on, then holds that cooling while the hyaluronic acid delivers moisture. On a summer evening that combination is the whole point.
A booster, not a toner
Skin boosters sit between toner and essence — watery enough to layer, concentrated enough to count as a treatment step. Applied after cleansing, they prepare skin for whatever follows.
Layer it two or three times
Applying several light layers rather than one heavy one is a standard Korean approach, and the non-sticky texture makes it practical here. At 150ml you can do that without rationing.
For skin tired by heat
Accumulated sun and heat leave skin looking flat and feeling uncomfortable. This is the step for those days rather than a year-round essential — though it works fine as one.
Preps the steps that follow
A hydrated surface takes serum and moisturizer more evenly than a dry one. That’s the practical argument for a booster, and it’s more useful than most claims made about the category.
Always seal it in
Watery layers evaporate unless something holds them. A booster prepares skin; a moisturizer keeps the hydration where you put it.
After cleansing, dispense an appropriate amount onto palms or a cotton pad and press gently over face and neck until absorbed. Layer a second or third application on areas that feel hot or dry. Follow with serum and moisturizer. Use morning and evening.
A watery first-treatment step applied after cleansing to hydrate skin and prepare it for the products that follow. Think of it as a more concentrated toner.
Can I apply it more than once?
Yes — layering two or three light applications is a common Korean approach, and the non-sticky texture makes it practical. 150ml allows for it without rationing.
What does rounded hyaluronic acid mean?
It refers to the form of hyaluronic acid used in the formula. Hyaluronic acid comes in various molecular weights and structures, each behaving slightly differently on the skin.
When is it most useful?
After a day in the sun or heat, when skin feels hot and looks tired. It works year-round as a hydrating first step, but summer is where it earns its place.
Do I still need moisturizer after it?
Yes — watery layers evaporate unless something seals them. A booster prepares skin, a moisturizer keeps the hydration there.
Booster or the Cooling Pads?
The booster layers more precisely and goes further per bottle; the pads add gentle physical sweeping and travel better. Plenty of routines use both.
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