Oil, then the look of blemishes
The English carton says it in one sentence: the solution controls excessive oil production and helps reduce the appearance of blemishes. That is the claim this page will carry, and no other.

GENOSYS
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Professional ampoule · Ten sealed vials
The vial you reach for when the concern is oil.
PCS is Problem Control Solution. The function on the carton is oil and sebum control. One English sentence does the rest: it controls excessive oil production and helps reduce the appearance of blemishes. Ten sealed glass vials, one per treatment.
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Oil & sebum
The function printed on the carton: oil and sebum control
22.98%
Humectant base, so a full 2 ml stays comfortable
1.5%
Soy ferment, the largest active by weight
10 × 2 ml
Sealed glass vials, opened one at a time
The ampoule
Every vial in the Power Solution range wears a code, and the codes are not decoration. Each one is a registered product name with a single job printed beside it. PCS is Problem Control Solution. The function on the carton is oil and sebum control. That is the whole brief, and it is why this is the vial you pick when the face in front of you is oily or showing blemishes.
The English carton says it in one sentence: the solution controls excessive oil production and helps reduce the appearance of blemishes. That is the claim this page will carry, and no other.
Two millilitres, sealed in glass under a crimped cap and opened at the chair. Nothing is decanted, nothing is kept, and nothing oxidises between one face and the next. Ten vials is ten full doses.
A leave-on solution, not a rinse-off. It stays on the skin and works there the way a treatment serum does, in four steps: cleanse, open, apply, absorb.

The formula
Every percentage below is the finished concentration in the vial, not a guess at what a name near the top of an ingredient list might mean. Water is the carrier, 71.8% of it. What sets this one apart is the job on the carton: oil and sebum control.
The base - 22.98% of the vial
Two humectants. That is what carries a full 2 ml across a face and leaves it feeling cushioned instead of tight, even on skin that already produces enough oil of its own.
The actives
Soy ferment at 1.5% is the largest active by weight. Witch hazel is 0.045%. The carton function is still oil and sebum. Each group is charted on its own scale so the actives stay readable beside the base.
sh-Polypeptide-7 and acetyl hexapeptide-8 sit at 5 ppm each. Palmitoyl hexapeptide-12 is 2 ppm. Palmitoyl tripeptide-1 is 1 ppm. Peptides work at parts per million by design. sh-Polypeptide-7 is a recombinant human peptide grown by fermentation from a synthesised copy of the human somatotropin gene, so every batch arrives with the same 217-amino-acid sequence. COSING classifies it as a skin-protecting ingredient.

5-Free
GENOSYS prints the 5-Free mark on the pack and names all five exclusions rather than leaving you to guess. Every one of them holds up against the ingredient list further down this page.
Artificial fragrance is the one worth pausing on. Hinoki cypress water is in the formula as a fragrance ingredient, so this is not a fragrance-free vial. What the box promises, and what the list confirms, is that no artificial fragrance was added.
The range
The Power Solutions are a set, and each one is chosen for the skin in front of you. Same format, same price, same 2 ml sealed vial - a different job printed on each carton. PCS is the one for excess oil and the look of blemishes.
All six are 2 ml × 10 vials at the same price, so the choice is about the skin, not the budget.
How to use
One vial per treatment
Wash the face thoroughly and pat it dry. The carton starts here, and on a treatment day so should you.
Snap the crimped cap. Each 2 ml vial is a single use, and there are ten in the box.
Work the solution across the whole face. Two millilitres is more than it sounds; it will cover a face and a neck without being spread thin.
It is a leave-on product and it is not rinsed off. Give it a minute before anything goes on top.
Or with whatever your practitioner has set for you. Keep it away from the eyes. The carton is explicit about that.
An opened vial does not reseal, and the solution is meant to be used fresh rather than kept. That is the point of ten of them.
Avoid it during pregnancy and while breastfeeding - a precaution the carton prints itself, on account of the two artemisia extracts. Keep it off the eyes and mucous membranes, and rinse with cool water if it gets there.
What is in it
Every percentage here is the finished concentration in the vial, not an inference from where a name sits in the list.
The reason this vial exists. The English carton registers the function as oil and sebum control, and the sentence beside it is excessive oil and the appearance of blemishes. That is the product. There is no Korean principal-ingredient licence on this one.
The largest active by weight. Soy milk fermented with lactobacillus and filtered. It conditions the surface. It is not the job printed on the carton.
A working cosmetic dose of the classic comfort agent, here large enough to sit on a card. It is not an oil-control licence.
A finished 0.045%, not the 3% premix in the raw table. Named because leftover copy treated it as the engine. It is in the formula. It is not the reason to buy.
Ten parts per million. Leftover copy put it next to witch hazel as a co-lead. The finished figure does not support that.
The signature peptide of the range, here at 5 ppm. A single-chain recombinant human peptide grown by fermentation from a synthesised copy of the human gene that codes for somatotropin, so every batch arrives with the same 217-amino-acid sequence. COSING classifies it as a skin protectant.
Five parts per million. Named because it is on the carton, not because it is a muscle-relax story. That frame stays off this page.
Glycolic acid is in the formula as a pH adjuster, not as an acid peel. Pine bark extract is an antioxidant at a small finished dose.
Aqua (Water), Butylene Glycol, Glycerin, 1,2-Hexanediol, Lactobacillus/Soymilk Ferment Filtrate, Panthenol, sh-Polypeptide-7, Acetyl Hexapeptide-8, Palmitoyl Hexapeptide-12, Palmitoyl Tripeptide-1, Arginine, Sodium Hyaluronate, Xanthan Gum, Glycolic Acid, Allantoin, Hamamelis Virginiana (Witch Hazel) Leaf Extract, Vitis Vinifera (Grape) Callus Culture Extract, Rosa Damascena Callus Culture Extract, Pinus Radiata Bark Extract, Houttuynia Cordata Extract, Carthamus Tinctorius (Safflower) Flower Extract, Lecithin, Sodium Phosphate, Sodium Chloride, Scutellaria Baicalensis Root Extract, Citrus Junos Fruit Extract, Camellia Sinensis Leaf Extract, Glycine, Disodium EDTA, Artemisia Vulgaris Extract, Artemisia Princeps Extract, Lysine, Lactobacillus Ferment Lysate Filtrate, Chamaecyparis Obtusa Water, Phenoxyethanol, Ethylhexylglycerin.
Every ingredient, in the same order as the box in your hand. Every batch is tested for pH, and the last came back at 7.98 inside a 7.70 ± 1.00 specification.
Honestly
For external use only. Keep it away from the eyes and mucous membranes, and rinse with cool water if it gets there. Stop and speak to a doctor if redness, swelling, small bumps or irritation occurs.
The detail
Questions
Problem Control Solution. It is printed on the front of the box and on every vial, under the code. The function printed beside it is oil and sebum control.
No. This carton does not name one. Korea does not register PCS as a functional cosmetic. The job on the box is oil and sebum, and that is the claim the page sells.
That is the pairing GENOSYS designs its system around, and the range is sold into clinics that do exactly that. This carton itself gives the simple version - cleanse, open, apply, absorb - so if a practitioner has set you a protocol, follow theirs rather than ours.
It is a professional line: "PROFESSIONAL" is printed on each vial and the format is a clinic format. Nothing in it is restricted, so it is fine at home on a practitioner’s advice, which is exactly how most of our customers use it.
They are in the formula. Witch hazel is 0.045%. Houttuynia is 0.001%. They are not the reason this vial exists. The carton function is.
Match the vial to the complaint. Oily or showing blemishes is PCS, tired and dry is CVS, dehydrated and flat is HES, rough or slack is CTS, pigmented is SWS, lined is AWS. The range table above sets them side by side.
Ten treatments, one vial each. Unopened it holds three years from manufacture, and the expiry date is printed on the box.
The carton asks you to avoid it during pregnancy and lactation, so we pass that on rather than talk you out of it. It is the two artemisia extracts. Take the ingredient list to whoever is looking after you.

Ten treatments, sealed one at a time.
POWER SOLUTION PCS
The oil-control vial of the Power Solution range, with every percentage printed above, nothing held back.