C+ Alpha Brightening & Antioxidant Serum

Haum

C+ Alpha Brightening & Antioxidant Serum

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About this product

The Haum C+ Alpha Brightening & Antioxidant Serum is a serums, essence, ampoule. Our analysis of its 36 ingredients (31 low-risk) rates it Excellent (97/100). 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
36
Low-risk
31
Fragrance
Fragrance-free
Origin
Indonesia

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 17/4
Good for dry skin
Diglycerin Dimethylsilanol Hyaluronate Sodium Acetylated Hyaluronate Sodium Hyaluronate Crosspolymer Inositol Caprylyl Glycol Butylene Glycol Sodium PCA Sodium Hyaluronate Glycerin Fructose Hydroxypropyltrimonium Hyaluronate Hydrolyzed Hyaluronic Acid Hyaluronic Acid Sodium Lactate Urea Lactic Acid
Caution for dry skin
Xanthan Gum Glycerin Bis-PEG-15 Methyl Ether Dimethicone PEG-40 Hydrogenated Castor Oil
Oily/Acne-Prone Skin No data
Sensitive Skin 5/8
Good for sensitive skin
Alpha-Arbutin Glycerin Hydroxyacetophenone Propyl Gallate Allantoin
Caution for sensitive skin
Glycine Butylene Glycol Glycerin Sodium Benzoate Propyl Gallate PEG-40 Hydrogenated Castor Oil Lactic Acid Phenoxyethanol

Ingredients list

36 total
Lower hazard (1) Higher hazard (4)
All36 Skin Conditioning33 Humectant22 Hair Conditioning8 Fragrance8 Solvent6 Antistatic Agent5 Buffering Agent4 Antioxidant3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
3-O-ETHYL ASCORBIC ACID
(Skin Conditioning)
3
Bis-PEG-15 Methyl Ether Dimethicone
(Emulsifying, Hair Conditioning, Skin Conditioning, Surfactant)
1
Alpha-Arbutin
(Antioxidant, Skin Conditioning)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Diglycerin
(Humectant, Skin Conditioning, Solvent)
3
B
PEG-40 Hydrogenated Castor Oil
(Fragrance, Emulsifying, Surfactant, Perfuming)
Fungal Acne
Fungal Acne Trigger
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
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
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
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
3
B
Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic)
1
B
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
3
B
Propyl Gallate
(Antioxidant, Fragrance, Perfuming)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
Cystoseira Tamariscifolia Extract
(Skin Conditioning)
1
A
Fructose
(Flavoring Agent, Humectant)
1
A
Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning)
1
Inositol
(Antistatic Agent, Hair Conditioning, Humectant)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
3
A
Urea
(Buffering Agent, Humectant, Antistatic Agent, Skin Conditioning)
1
Dimethylsilanol Hyaluronate
(Skin Conditioning, Humectant, Moisturising)
1
A
1,2-Hexanediol
(Solvent)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)
1
Hydrolyzed Hyaluronic Acid
(Hair Conditioning, Humectant, Skin Conditioning)
Hydrolyzed Sodium Hyaluronate
(Skin Conditioning)
1
Hydroxyacetophenone
(Antioxidant)
1
Hydroxypropyltrimonium Hyaluronate
(Film Forming, Humectant)
1
Potassium Hyaluronate
(Skin Conditioning)
1
Sodium Acetylated Hyaluronate
(Humectant)
1
Sodium Hyaluronate Crosspolymer
(Humectant, 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

Hyaluronic Acid
Hydrates by attracting and holding water.
Antioxidants
Shields skin from free radical damage.
AHA
Exfoliates skin for a brighter complexion.
Vitamin C
Brightens, evens tone, and supports collagen.
Niacinamide
Strengthens, smooths, and brightens skin.
Urea
Gently exfoliates and deeply moisturizes.
Arbutin
Gently brightens and evens skin tone.
Show all 7 key ingredients

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.
Reduces IrritationEases discomfort and supports skin resilience.
Redness ReducingSoothes visible redness and calms irritation.
BrighteningRestores radiance to dull, tired skin.
Skin TextureSmooths rough patches and refines texture.

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
3-O-ETHYL ASCORBIC ACID
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Bis-PEG-15 Methyl Ether Dimethicone
Emulsifying, Hair conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 EmulsifyingHair conditioningSkin conditioningSurfactant
Alpha-Arbutin
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Diglycerin
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioningSolvent
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
Sodium Lactate
Buffering agent, Exfoliant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Buffering agentExfoliantHumectantKeratolytic
Propyl Gallate
Antioxidant, Fragrance
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B AntioxidantFragrancePerfuming
Xanthan Gum
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingSkin conditioningSurfactant -emulsifying agentViscosity increasing agentBindingGel formingViscosity controlling
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
Cystoseira Tamariscifolia Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Fructose
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentHumectant
Glycine
Buffering agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Buffering agentFragranceHair conditioningSkin-conditioning agent -miscellaneousAntistatic agentSkin conditioning
Inositol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Antistatic agentHair conditioningHumectant
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
+ 13 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
PEG-40 Hydrogenated Castor Oil
Fragrance, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceEmulsifyingSurfactantPerfuming Fungal-acne trigger
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
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
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 PCA
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioning Good for Dry Skin
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
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 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 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.

3-O-ETHYL ASCORBIC ACID

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

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.

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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