Line Killer Rich Serum

Rexaline

Where to buy Possibly in stock

About this product

The Rexaline Line Killer Rich Serum is a serums, essence, ampoule. Our analysis of its 31 ingredients (20 low-risk) rates it Excellent (94/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
31
Low-risk
20
Fragrance
Contains fragrance
Origin
France

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 12/4
Good for dry skin
Rosa Canina Fruit Oil Argania Spinosa Kernel Oil Isododecane Caprylic/Capric Triglyceride Caprylyl Glycol Sodium Hyaluronate Glycerin Hyaluronic Acid Camellia Sinensis Leaf Extract Urea PEG-20 Glyceryl Triisostearate Lactic Acid
Caution for dry skin
Cyclodextrin Glycerin Camellia Sinensis Leaf Extract PEG-20 Glyceryl Triisostearate
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Camellia Sinensis Leaf Extract
Sensitive Skin 5/7
Good for sensitive skin
Ascorbyl Palmitate Glycerin Camellia Sinensis Leaf Extract Tocopheryl Acetate BHT
Caution for sensitive skin
Ascorbyl Palmitate Isododecane Caprylic/Capric Triglyceride Glycerin Camellia Sinensis Leaf Extract Lactic Acid BHT

Ingredients list

31 total
Lower hazard (1) Higher hazard (6)
All31 Skin Conditioning26 Humectant9 Fragrance7 Emollient7 Solvent5 Antioxidant5 Perfuming4 Masking4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
B
Isododecane
(Fragrance, Solvent, Emollient, Perfuming)
3
PEG-20 Glyceryl Triisostearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Argania Spinosa Kernel Oil
(Emollient, Skin Conditioning)
Fungal Acne
Fungal Acne Trigger
SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
Shea Butter Cetyl Esters
(Skin Conditioning)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
6
Ethylhexyl Methoxycinnamate
(Uv Absorber, Uv Filter)
Bad for Oily Skin
Bad for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
Oryza sativa bran oil
(Skin Conditioning, Skin Conditioning Emollient)
PARFUM
(Fragrance, Perfuming)
1
A
Rosa Canina Fruit Oil
(Emollient, Skin Conditioning)
1
A
Euterpe Oleracea Fruit Oil
(Skin Conditioning)
6
A
BHT
(Antioxidant, Fragrance, Masking)
1
B
Camellia Sinensis Leaf Extract
(Antimicrobial, Antioxidant, Astringent, Emollient, Humectant, Masking, Oral Care Agent, Skin Conditioning, Skin Protecting, Tonic, Uv Absorber)
Good for Oily Skin
Good for Oily Skin
1
Water
(Solvent)
1
A
Cyclodextrin
(Absorbent, Chelating Agent)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
Adenosine
(Skin Conditioning)
1
A
Ascorbyl Palmitate
(Antioxidant, Masking)
Fungal Acne
Fungal Acne Trigger
1
A
Polyvinyl Alcohol
(Binding Agent, Film Forming, Viscosity Increasing Agent, Viscosity Controlling)
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
4
B
Glycolic Acid
(Exfoliant, Ph Adjuster, Buffering Agent)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
Copper Palmitoyl Heptapeptide-14
(Skin Conditioning)
1
Palmitoyl Hexapeptide-14
(Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
3
A
Urea
(Buffering Agent, Humectant, Antistatic Agent, Skin Conditioning)
1
A
1,2-Hexanediol
(Solvent)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)

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

Isododecane
Emollient
PEG-20 Glyceryl Triisostearate
Skin Conditioning, Emollient
Argania Spinosa Kernel Oil
Emollient, Skin Conditioning
SIMMONDSIA CHINENSIS SEED OIL
Skin Conditioning
Caprylic/Capric Triglyceride
Emollient, Skin Conditioning
Shea Butter Cetyl Esters
Skin Conditioning

Benefits

Good for dry skin
Good for oily/acne-prone skin

Concerns

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

Ingredients explained

Isododecane
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B FragranceSolventEmollientPerfuming
SIMMONDSIA CHINENSIS SEED OIL
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioningSkin conditioning emollient
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Shea Butter Cetyl Esters
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
Oryza sativa bran oil
Skin conditioning, Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning emollient
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Rosa Canina Fruit Oil
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioning
Euterpe Oleracea Fruit Oil
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Cyclodextrin
Absorbent, Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbsorbentChelating agent
TOCOPHEROL
Antioxidant, Fragrance
Limited public safety data.Read moreShow less
EWG N/A AntioxidantFragranceSkin conditioning
Adenosine
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Polyvinyl Alcohol
Binding agent, Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentFilm formingViscosity increasing agentViscosity controlling
Copper Palmitoyl Heptapeptide-14
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
+ 5 more — see the full ingredients list above
PEG-20 Glyceryl Triisostearate
Skin conditioning, Emollient
Low-to-moderate hazard.Read moreShow less
EWG 3 Skin conditioningEmollientEmulsifyingSurfactant Fungal-acne trigger
Argania Spinosa Kernel Oil
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioning Fungal-acne trigger
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Ethylhexyl Methoxycinnamate
Uv absorber, Uv filter
Potentially a skin irritantRead moreShow less
EWG 6 Uv absorberUv filter Bad for Oily SkinBad for Sensitive Skin
BHT
Antioxidant, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 6 CIR A AntioxidantFragranceMasking
Camellia Sinensis Leaf Extract
Antimicrobial, Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B AntimicrobialAntioxidantAstringentEmollientHumectantMaskingOral care agentSkin conditioningSkin protectingTonicUv absorber Good for Oily Skin
Ascorbyl Palmitate
Antioxidant, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AntioxidantMasking Fungal-acne trigger
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
Glycolic Acid
Exfoliant, Ph adjuster
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantPh adjusterBuffering agent Good for Oily SkinBad for Sensitive Skin
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.
  • 3 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

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

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Vitamin C (ascorbic) 5–20%

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.

Ascorbyl Palmitate

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Glycolic Acid, Lactic Acid

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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