LS5 Copper Peptide Serum

LEITIN Skincare

Where to buy Possibly in stock

About this product

The LEITIN Skincare LS5 Copper Peptide Serum is a serums, essence, ampoule. Our analysis of its 28 ingredients (23 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
28
Low-risk
23
Fragrance
Fragrance-free
Origin
Australia

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 11/5
Good for dry skin
Gluconolactone Methyl Glucose Sesquistearate Ethoxydiglycol Isostearyl Isostearate Caprylic/Capric Triglyceride Glycerin Hydroxyethyl Urea Cyclohexasiloxane Cyclopentasiloxane PEG-20 Methyl Glucose Sesquistearate Lecithin
Caution for dry skin
Microcrystalline Cellulose Glycerin PEG-20 Methyl Glucose Sesquistearate Lecithin Propylene Glycol Caprylate
Oily/Acne-Prone Skin No data
Sensitive Skin 1/6
Good for sensitive skin
Glycerin
Caution for sensitive skin
Gluconolactone Cellulose Gum Ethoxydiglycol Caprylic/Capric Triglyceride Glycerin Phenoxyethanol

Ingredients list

28 total
Lower hazard (1) Higher hazard (4)
All28 Skin Conditioning26 Solvent9 Fragrance7 Emollient7 Humectant5 Hair Conditioning4 Viscosity Decreasing Agent4 Emulsion Stabilising3
EWG CIR Ingredient Name & Cosmetic Functions Notes
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
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
Hydroxyethyl Urea
(Hair Conditioning, Humectant, Skin Conditioning)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Dimethyl Isosorbide
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
A
Ethoxydiglycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Humectant, Perfuming)
1
B
Isostearyl Isostearate
(Binding Agent, Skin Conditioning, Emollient, Binding)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
Propylene Glycol Caprylate
(Skin Conditioning, Surfactant)
2
A
Cyclohexasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
3
A
Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
Silicone
Silicone
1
A
Copper Tripeptide-1
(Skin Conditioning)
1
Acetyl Tetrapeptide-9
(Skin Conditioning)
1
Palmitoyl Tripeptide-38
(Skin Conditioning)
1
A
Palmitoyl Tetrapeptide-7
(Skin Conditioning)
1
Palmitoyl Tripeptide-5
(Skin Conditioning)
1
Tripeptide-10 Citrulline
(Skin Conditioning)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
3
A
PEG-20 Methyl Glucose Sesquistearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Methyl Glucose Sesquistearate
(Skin Conditioning, Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
Gluconolactone
(Fragrance, Humectant, Solvent)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Microcrystalline Cellulose
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Emulsion Stabilising, Slip Modifier, Viscosity Increasing Agent)
Sphingomonas Ferment Extract
(Skin Conditioning)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
A
Cellulose Gum
(Binding Agent, Emulsion Stabilising, Film Forming, Fragrance, Viscosity Increasing Agent, Binding, Masking, Viscosity Controlling)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)

My Ingredient Notes

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

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Key ingredients

Peptides
Supports skin hydration and improves firmness.
PHA
Gently exfoliates and hydrates with less irritation.
Vitamin E
Protects skin and soothes irritation.
Antioxidants
Shields skin from free radical damage.

Benefits

Anti-AgingSoftens lines and helps skin look youthful.
HydratingBoosts hydration and relieves dry, tight skin.
Barrier RepairStrengthen and restore your skin's natural barrier.
Scar HealingImproves the look of marks and scars.
Skin TextureSmooths rough patches and refines texture.
BrighteningRestores radiance to dull, tired skin.
Redness ReducingSoothes visible redness and calms irritation.
Acne FightingFights acne and helps prevent breakouts.

Concerns

Contains paraben
Contains silicone
Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Hydroxyethyl Urea
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningHumectantSkin conditioning
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Dimethyl Isosorbide
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Ethoxydiglycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentHumectantPerfuming
Propylene Glycol Caprylate
Skin conditioning, Surfactant
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSurfactant
Cyclohexasiloxane
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Hair conditioningSkin conditioningEmollientSolvent
Copper Tripeptide-1
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Acetyl Tetrapeptide-9
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Palmitoyl Tripeptide-38
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Palmitoyl Tetrapeptide-7
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Palmitoyl Tripeptide-5
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Tripeptide-10 Citrulline
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Lecithin
Skin conditioning, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 2–3 Skin conditioningEmulsifyingSurfactantAntistatic agentEmollient
PEG-20 Methyl Glucose Sesquistearate
Skin conditioning, Emollient
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Skin conditioningEmollientEmulsifyingSurfactant
+ 8 more — see the full ingredients list above
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Isostearyl Isostearate
Binding agent, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR B Binding agentSkin conditioningEmollientBinding Bad for Oily SkinFungal-acne trigger
Cyclopentasiloxane
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioningEmollientSolvent Silicone
Methyl Glucose Sesquistearate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientEmulsifying Fungal-acne trigger
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

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.

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