Peptide Repair Serum

cos.kim

Where to buy Possibly in stock

About this product

The cos.kim Peptide Repair Serum is a serums, essence, ampoule. Our analysis of its 22 ingredients (17 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
22
Low-risk
17
Fragrance
Fragrance-free
Origin
Türkiye
Data updated
Jun 2026

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 8/3
Good for dry skin
Sodium Acetylated Hyaluronate Sodium Hyaluronate Crosspolymer Equisetum Arvense Leaf Extract Panax Ginseng Root Extract Sodium Hyaluronate Hydroxypropyltrimonium Hyaluronate Hydrolyzed Hyaluronic Acid Hyaluronic Acid
Caution for dry skin
Hypericum Perforatum Extract Equisetum Arvense Leaf Extract Polysorbate 20
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Hypericum Perforatum Extract Equisetum Arvense Leaf Extract
Sensitive Skin 4/2
Good for sensitive skin
Hypericum Perforatum Extract Equisetum Arvense Leaf Extract Panax Ginseng Root Extract Allantoin
Caution for sensitive skin
Hypericum Perforatum Extract Phenoxyethanol

Ingredients list

22 total
Lower hazard (1) Higher hazard (4)
All22 Skin Conditioning20 Humectant6 Hair Conditioning4 Skin Protecting4 Tonic3 Soothing3 Emollient2 Astringent2
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Panax Ginseng Root Extract
(Emollient, Hair Conditioning, Skin Protecting, Tonic)
1
Equisetum Arvense Leaf Extract
(Astringent, Emollient, Soothing, Tonic)
daucus carota sativa root extract
(Skin Conditioning)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
Echinacea Angustifolia Root Extract
(Hair Conditioning, Nail Conditioning, Skin Conditioning)
1
A
Hypericum Perforatum Extract
(Antimicrobial, Astringent, Masking, Skin Conditioning, Skin Protecting, Soothing, Tonic)
Heptapeptide-15 Palmitate
(Skin Conditioning)
Copper Palmitoyl Heptapeptide-14
(Skin Conditioning)
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)
1
Potassium Hyaluronate
(Skin Conditioning)
1
Sodium Hyaluronate Crosspolymer
(Humectant, Skin Conditioning)
Hydrolyzed Sodium Hyaluronate
(Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Sodium Acetylated Hyaluronate
(Humectant)
1
Hydrolyzed Hyaluronic Acid
(Hair Conditioning, Humectant, Skin Conditioning)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
Hydroxypropyltrimonium Hyaluronate
(Film Forming, Humectant)
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
2
A
EDTA
(Chelating Agent)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

Browse similar serums, essence, ampoule
No close formula match yet — browse other products like this

Key ingredients

Peptides
Supports skin hydration and improves firmness.
Hyaluronic Acid
Hydrates by attracting and holding water.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Scar HealingImproves the look of marks and scars.
Barrier RepairStrengthen and restore your skin's natural barrier.
Anti-AgingSoftens lines and helps skin look youthful.
Redness ReducingSoothes visible redness and calms irritation.
Skin TextureSmooths rough patches and refines texture.
Reduces IrritationEases discomfort and supports skin resilience.
Show all 7 benefits

Concerns

Contains paraben
Not fungal acne (malassezia) safe

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Panax Ginseng Root Extract
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningSkin protectingTonic
Equisetum Arvense Leaf Extract
Astringent, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 AstringentEmollientSoothingTonic
daucus carota sativa root extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Echinacea Angustifolia Root Extract
Hair conditioning, Nail conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningNail conditioningSkin conditioning
Hypericum Perforatum Extract
Antimicrobial, Astringent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AntimicrobialAstringentMaskingSkin conditioningSkin protectingSoothingTonic
Heptapeptide-15 Palmitate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Copper Palmitoyl Heptapeptide-14
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Hyaluronic Acid
Skin conditioning, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningViscosity increasing agentAntistatic agentHumectantMoisturising
Potassium Hyaluronate
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Sodium Hyaluronate Crosspolymer
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Hydrolyzed Sodium Hyaluronate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Sodium Acetylated Hyaluronate
Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Humectant
Hydrolyzed Hyaluronic Acid
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningHumectantSkin conditioning
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
+ 2 more — see the full ingredients list above
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive Skin

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning & evening: Suitable for both AM and PM use.

General guidance from this product's category and active ingredients — always follow the directions on the package.

From the community

0
Reviews
0
Saved by users
0
In collections

Ratings & reviews

Write a Review
0.0
from 0 ratings

Used this product? Rate it in 10 seconds

Alternatives