O2 Niacinamide Eight Active Serum

Element Eight

Where to buy Possibly in stock

About this product

The Element Eight O2 Niacinamide Eight Active Serum is a serums, essence, ampoule. Our analysis of its 34 ingredients (29 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
34
Low-risk
29
Fragrance
Fragrance-free
Origin
United States
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 6/5
Good for dry skin
Acetyl Hexapeptide-8 Sodium Hyaluronate Glycerin Hydrolyzed Hyaluronic Acid Lecithin Hydrolyzed Soy Protein
Caution for dry skin
Sodium Carboxymethyl Beta-Glucan Glycerin Alcohol Sodium Hydroxide Lecithin
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Alcohol
Sensitive Skin 4/5
Good for sensitive skin
Resveratrol Glycerin Allantoin Aloe Barbadensis Leaf Juice Powder
Caution for sensitive skin
Glycerin Proline Alcohol Sodium Benzoate Phenoxyethanol

Ingredients list

34 total
Lower hazard (1) Higher hazard (4)
All34 Skin Conditioning27 Hair Conditioning8 Humectant6 Viscosity Controlling5 Skin Protecting5 Fragrance5 Emulsion Stabilising4 Solvent4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
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
Pentylene Glycol
(Skin Conditioning, Solvent)
1
Oxygen
(Skin Conditioning)
1
Acetyl Hexapeptide-8
(Humectant, Skin Conditioning)
1
Pentapeptide-18
(Skin Conditioning)
1
Palmitoyl Tripeptide-5
(Skin Conditioning)
Palmitoyl Dipeptide-52
(Skin Conditioning)
1
Hydrolyzed Hyaluronic Acid
(Hair Conditioning, Humectant, Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Resveratrol
(Antioxidant, Skin Protecting)
1
Carnosine
(Skin Conditioning)
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
Sodium Carboxymethyl Beta-Glucan
(Binding, Cleansing, Viscosity Controlling)
A
Hydrolyzed Soy Protein
(Antistatic Agent, Hair Conditioning, Humectant, Skin Conditioning)
1
A
Rice Amino Acids
(Hair Conditioning, Skin Conditioning)
1
3
Aloe Barbadensis Leaf Juice Powder
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
Hydrolyzed Adansonia Digitata Seed Extract
(Hair Conditioning)
1
Silybum Marianum Fruit Extract
(Skin Conditioning)
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling)
2
Alcohol
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Tetrasodium Iminodisuccinate
(Chelating Agent)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate
(Skin Conditioning)
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
1
A
Proline
(Fragrance, Hair Conditioning, Skin Conditioning)
1
Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine
(Skin Conditioning)
1
Magnesium Chloride
(Viscosity Controlling)
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.
Hyaluronic Acid
Hydrates by attracting and holding water.
Antioxidants
Shields skin from free radical damage.
Vitamin E
Protects skin and soothes irritation.
Niacinamide
Strengthens, smooths, and brightens skin.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Anti-AgingSoftens lines and helps skin look youthful.
Redness ReducingSoothes visible redness and calms irritation.
Barrier RepairStrengthen and restore your skin's natural barrier.
Scar HealingImproves the look of marks and scars.
Reduces IrritationEases discomfort and supports skin resilience.
BrighteningRestores radiance to dull, tired skin.
Dark SpotsFades dark spots for even skin tone.

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
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Oxygen
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Acetyl Hexapeptide-8
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Pentapeptide-18
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Palmitoyl Tripeptide-5
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Palmitoyl Dipeptide-52
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Hydrolyzed Hyaluronic Acid
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningHumectantSkin conditioning
Resveratrol
Antioxidant, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin protecting
Carnosine
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Sodium Carboxymethyl Beta-Glucan
Binding, Cleansing
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A BindingCleansingViscosity controlling
Hydrolyzed Soy Protein
Antistatic agent, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR A Antistatic agentHair conditioningHumectantSkin conditioning
Rice Amino Acids
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioning
Hydrolyzed Adansonia Digitata Seed Extract
Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioning
+ 12 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
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant 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
Aloe Barbadensis Leaf Juice Powder
Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Skin conditioning Good for Sensitive Skin
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Alcohol
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 2 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
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.

Trust & honesty

Effective levels — general guide

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

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

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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