Serum Booster Serum Pigment Lightener

Neoretin

Where to buy Possibly in stock

About this product

The Neoretin Serum Booster Serum Pigment Lightener is a serums, essence, ampoule. Our analysis of its 44 ingredients (34 low-risk) rates it Excellent (91/100). 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 Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
44
Low-risk
34
Fragrance
Contains fragrance
Origin
Spain

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 13/8
Good for dry skin
Glycosaminoglycans Lactitol Methyl Gluceth-20 Sorbitol Caprylyl Glycol Butylene Glycol Glycerin Propylene Glycol Trehalose Fructose Hydrolyzed Caesalpinia Spinosa Gum PEG-7 Glyceryl Cocoate Lecithin
Caution for dry skin
Glycerin Salicylic Acid Hydrolyzed Caesalpinia Spinosa Gum Hexylene Glycol Hydrogenated Lecithin Polysorbate 20 PEG-7 Glyceryl Cocoate Lecithin
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Salicylic Acid Retinol
Sensitive Skin 5/9
Good for sensitive skin
Kojic Acid Glycerin Tetrahexyldecyl Ascorbate Tocopheryl Acetate Sodium Metabisulfite
Caution for sensitive skin
Kojic Acid Sorbitol Butylene Glycol Glycerin Propylene Glycol Salicylic Acid Hexylene Glycol Phenoxyethanol Retinol

Ingredients list

44 total
Lower hazard (1) Higher hazard (9)
All44 Skin Conditioning41 Humectant14 Fragrance8 Viscosity Controlling8 Solvent7 Film Forming7 Hair Conditioning6 Emulsion Stabilising5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Dimethyl Isosorbide
(Solvent, Viscosity Decreasing 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
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
4
B
PEG-7 Glyceryl Cocoate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
Portulaca Oleracea Extract
(Skin Conditioning)
1
Acetyl Glucosamine
(Skin Conditioning)
6
7
B
Kojic Acid
(Antioxidant)
Good for Dry Skin
Good for Dry Skin
Hydroxypinacolone Retinoate
(Skin Conditioning)
9
A
Retinol
(Skin Conditioning)
Bad for Sensitive Skin
Bad for Sensitive Skin
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
3
B
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Trisodium Ethylenediamine Disuccinate
(Chelating Agent)
1
A
Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant)
1
Decarboxy Carnosine HCl
(Skin Conditioning, Antistatic Agent, Hair Conditioning)
1
Aminoethylphosphinic Acid
(Skin Conditioning)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
A
Fructose
(Flavoring Agent, Humectant)
1
A
Lactitol
(Flavoring Agent, Humectant, Skin Conditioning)
1
Glycosaminoglycans
(Skin Conditioning, Emollient, Film Forming)
4
B
Salicylic Acid
(Antiacne Agent, Antidandruff Agent, Corn/Callus/Wart Remover, Denaturant, Exfoliant, Fragrance, Hair Conditioning, Skin Conditioning, Keratolytic, Masking, Preservative)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
Acetyl Hexapeptide-37
(Skin Conditioning)
1
A
Trehalose
(Flavoring Agent, Humectant, Moisturising)
1
A
Dehydroxanthan Gum
(Emulsion Stabilising, Film Forming, Hair Fixing, Viscosity Controlling)
1
A
Methyl Gluceth-20
(Humectant, Moisturising)
1
Methylsilanol Hydroxyproline Aspartate
(Skin Conditioning, Antistatic Agent)
1
A
Hydrolyzed Caesalpinia Spinosa Gum
(Absorbent, Emollient, Hair Conditioning, Skin Conditioning)
1
A
Caesalpinia Spinosa Gum
(Adhesive, Skin Conditioning, Viscosity Increasing Agent, Film Forming, Viscosity Controlling)
1
Sorbitol
(Flavoring Agent, Fragrance, Humectant, Plasticizer, Skin Conditioning)
4
A
Sodium Metabisulfite
(Antioxidant, Preservative, Reducing)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
1
Sodium Carbomer
(Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
B
Acrylates/Vinyl Isodecanoate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
PALMITOYL HYDROXYPROPYLTRIMONIUM AMYLOPECTIN/GLYCERIN CROSSPOLYMER
(Skin Conditioning)
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
2
A
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant)
PARFUM
(Fragrance, Perfuming)
2
CI 17200
(Cosmetic Colorant)

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

Butylene Glycol
Skin Conditioning, Humectant
Glycerin
Humectant, Skin Protecting
Niacinamide
Skin Conditioning
PEG-7 Glyceryl Cocoate
Skin Conditioning, Emollient
Portulaca Oleracea Extract
Skin Conditioning
Acetyl Glucosamine
Skin Conditioning

Benefits

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

Concerns

Contains paraben
Not fungal acne (malassezia) safe
Kojic Acid — higher EWG
Retinol — higher EWG
May not suit sensitive skin

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Dimethyl Isosorbide
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Portulaca Oleracea Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Acetyl Glucosamine
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Hydroxypinacolone Retinoate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
Trisodium Ethylenediamine Disuccinate
Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 Chelating agent
Hexylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentEmulsifyingPerfumingSkin conditioningSurfactant
Decarboxy Carnosine HCl
Skin conditioning, Antistatic agent
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningAntistatic agentHair conditioning
Aminoethylphosphinic Acid
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Fructose
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentHumectant
Lactitol
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentHumectantSkin conditioning
Glycosaminoglycans
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollientFilm forming
+ 19 more — see the full ingredients list above
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
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
PEG-7 Glyceryl Cocoate
Skin conditioning, Emollient
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR B Skin conditioningEmollientEmulsifyingSurfactant Fungal-acne trigger
Kojic Acid
Antioxidant
Higher-hazard ingredient.Read moreShow less
EWG 6–7 CIR B Antioxidant Good for Dry Skin
Retinol
Skin conditioning
Potentially a skin irritantRead moreShow less
EWG 9 CIR A Skin conditioning Bad for Sensitive Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Propylene Glycol
Fragrance, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceHumectantSkin-conditioningagent - miscellaneousSolventViscosity decreasing agentSkin conditioningViscosity controlling Good for Dry Skin
Salicylic Acid
Antiacne agent, Antidandruff agent
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B Antiacne agentAntidandruff agentCorn/callus/wart removerDenaturantExfoliantFragranceHair conditioningSkin conditioningKeratolyticMaskingPreservative Good for Oily SkinBad for Sensitive Skin
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Evening: Use at night — start 2–3× a week and build up as your skin tolerates it.
  • 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

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Often avoided
Retinoids (Vitamin A) (Hydroxypinacolone Retinoate, Retinol)

Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.

Use with caution
BHA (salicylic) (Salicylic Acid)

Low-strength topical salicylic acid (BHA) is generally considered fine. Caution is usually reserved for high-strength leave-on products and salicylic peels.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

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

Retinoids (Vitamin A) 0.01–1%

Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.

Hydroxypinacolone Retinoate, Retinol

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.

Tetrahexyldecyl Ascorbate

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

BHA (salicylic) 0.5–2%

Salicylic acid is OTC-capped at 2%; 0.5–2% is the usual leave-on range. Much below that it acts more as a soothing agent than an exfoliant.

Salicylic 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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