Seoul 1988 Capsule Cream: Niacinamide 5% + Yuja
The K-Secret Seoul 1988 Capsule Cream: Niacinamide 5% + Yuja is a moisturizer. Our analysis of its 49 ingredients (39 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
The K-Secret Seoul 1988 Capsule Cream: Niacinamide 5% + Yuja is a moisturizer. Our analysis of its 49 ingredients (39 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
Dry Skin
21/8
Oily/Acne-Prone Skin
1/0
Sensitive Skin
4/11
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
|
|
Hippophae Rhamnoides Water
(Flavoring Agent, Masking, Perfuming, Skin Conditioning) |
|
1
|
|
Water
(Solvent) |
|
|
2
|
A
|
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent) |
Good for Dry Skin
Fungal Acne Trigger
|
|
1
|
A
|
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
|
|
1
|
A
|
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
|
|
1
|
A
|
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling) |
|
|
1
|
A
|
1,2-Hexanediol
(Solvent) |
|
|
|
|
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling) |
|
|
1
|
A
|
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling) |
Good for Dry Skin
|
|
1
|
A
|
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning) |
|
|
3
|
A
|
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning) |
Silicone
|
|
1
|
|
Glyceryl Glucoside
(Humectant, Skin Conditioning) |
|
|
1
|
A
|
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling) |
|
|
2
|
A
|
Tromethamine
(Fragrance, Ph Adjuster, Buffering Agent, Masking) |
|
|
1
|
B
|
Polyglyceryl-10 Laurate
(Skin Conditioning, Emulsifying, Surfactant) |
|
|
1
|
|
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
|
|
1
|
B
|
Polyglyceryl-2 Stearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant) |
|
|
1
|
|
Arachidyl Alcohol
(Emulsion Stabilising, Viscosity Increasing Agent, Emollient, Viscosity Controlling) |
|
|
|
|
SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient) |
|
|
1
|
A
|
Glyceryl Stearate
(Emollient, Emulsifying) |
Fungal Acne Trigger
|
|
1
|
|
Ammonium Acryloyldimethyltaurate/VP Copolymer
(Viscosity Controlling) |
|
|
1
|
A
|
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling) |
|
|
1
|
A
|
Stearyl Alcohol
(Emulsion Stabilising, Fragrance, Emulsifying, Surfactant, Foambooster, Viscosity Increasing Agent, Emollient, Foam Boosting, Masking, Opacifying, Refatting, Viscosity Controlling) |
|
|
1
|
A
|
Behenyl Alcohol
(Binding Agent, Emulsion Stabilising, Viscosity Increasing Agent, Binding, Emollient, Viscosity Controlling) |
|
|
1
|
A
|
Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
|
|
1
|
|
C12-16 Alcohols
(Emulsion Stabilising, Viscosity Increasing Agent, Antistatic Agent, Emollient, Hair Conditioning, Viscosity Controlling) |
|
|
1
|
B
|
Arachidyl Glucoside
(Emulsifying, Surfactant) |
|
|
1
|
|
Adenosine
(Skin Conditioning) |
|
|
1
|
A
|
Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate
(Antioxidant) |
|
|
1
|
A
|
Palmitic Acid
(Fragrance, Opacifying, Sufactant, Surfactant Emulsifying Agentsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Palmitic Acid., Emollient) |
Bad for Oily Skin
Fungal Acne Trigger
|
|
2
|
A
|
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant) |
|
|
1
|
A
|
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling) |
|
|
1
|
A
|
Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
|
|
1
|
A
|
Magnesium Ascorbyl Phosphate
(Antioxidant) |
|
|
|
|
Citrus Junos Fruit Oil
(Flavoring Agent, Masking, Perfuming) |
|
|
|
|
Collagen Water
(Humectant, Skin Conditioning, Solvent, Viscosity Controlling) |
|
|
|
|
rosmarinus officinalis leaf extract
(Antimicrobial, Fragrance, Skin Conditioning) |
|
|
1
|
A
|
Glucose
(Flavoring Agent, Humectant, Skin Conditioning Agent Miscellaneous) |
|
|
2
|
|
Beta-Carotene
(Skin Conditioning) |
Good for Dry Skin
|
|
|
|
Olea Europaea Fruit Oil
(Fragrance, Perfuming, Skin Conditioning) |
|
|
1
|
|
Hydrolyzed Hyaluronic Acid
(Hair Conditioning, Humectant, Skin Conditioning) |
|
|
1
|
A
|
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising) |
|
|
|
|
Hydrolyzed Sodium Hyaluronate
(Skin Conditioning) |
|
|
1
|
|
Potassium Hyaluronate
(Skin Conditioning) |
|
|
1
|
|
Sodium Hyaluronate Crosspolymer
(Humectant, Skin Conditioning) |
|
|
1
|
|
Hydroxypropyltrimonium Hyaluronate
(Film Forming, Humectant) |
|
|
1
|
|
Sodium Acetylated Hyaluronate
(Humectant) |
|
6
|
|
Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
|
|
5
|
|
Linalool
(Fragrance, Deodorant, Masking) |
Allergens
|
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How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.
Magnesium Ascorbyl Phosphate
Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.
Niacinamide
INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.
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