Youth Superoxidant Boost C Serum

Shaklee

Where to buy Possibly in stock

About this product

The Shaklee Youth Superoxidant Boost C Serum is a serums, essence, ampoule. Our analysis of its 40 ingredients (25 low-risk) rates it Excellent (93/100). Based on its ingredients, it looks well-suited to dry and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
40
Low-risk
25
Fragrance
Fragrance-free
Origin
United States

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 10/2
Good for dry skin
Moringa Oleifera Seed Oil Diglycerin Sodium Hyaluronate Glycerin Coco-Caprylate/Caprate Coconut Alkanes Polyglyceryl-6 Polyricinoleate Lactic Acid Aloe Barbadensis Flower Extract 3-Glyceryl Ascorbate
Caution for dry skin
Glycerin Polyglyceryl-6 Polyricinoleate
Oily/Acne-Prone Skin No data
Sensitive Skin 8/7
Good for sensitive skin
Ascorbyl Glucoside Melia Azadirachta Leaf Extract Glycerin Tetrahexyldecyl Ascorbate Hydroxyacetophenone Aloe Barbadensis Flower Extract Hippophae Rhamnoides Seed Oil 3-Glyceryl Ascorbate
Caution for sensitive skin
Glycerin Citrus Sinensis Peel Oil Expressed Tromethamine Lactic Acid Limonene Citral Geraniol

Ingredients list

40 total
Lower hazard (1) Higher hazard (7)
All40 Skin Conditioning26 Solvent7 Fragrance7 Humectant7 Antioxidant5 Emollient5 Perfuming4 Hair Conditioning3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Tetrahexyldecyl Ascorbate
(Antioxidant, Skin Conditioning)
1
A
Pentylene Glycol
(Skin Conditioning, 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
Coconut Alkanes
(Emollient, Solvent)
3-Glyceryl Ascorbate
(Antioxidant, Humectant)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
(Emulsion Stabilising, Viscosity Controlling)
Hippophae Rhamnoides Seed Oil
(Skin Protecting)
1
Diglycerin
(Humectant, Skin Conditioning, Solvent)
1
Citrus Sinensis Peel Oil Expressed
(Perfuming)
1
Melia Azadirachta Leaf Extract
(Antimicrobial, Skin Protecting)
1
Melia Azadirachta Flower Extract
(Skin Conditioning)
1
Corallina Officinalis Extract
(Skin Conditioning)
1
Coccinia Indica Fruit Extract
(Skin Conditioning)
Solanum Melongena Fruit Extract
(Skin Conditioning)
Mangifera Indica Fruit Extract
(Skin Conditioning)
CARICA PAPAYA FRUIT EXTRACT
(Skin Conditioning)
Ananas Sativus Fruit Extract
(Skin Conditioning)
1
A
Moringa Oleifera Seed Oil
(Emollient, Skin Conditioning)
1
3
B
Aloe Barbadensis Flower Extract
(Emollient, Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
Ocimum Sanctum Leaf Extract
(Skin Conditioning)
Ocimum Basilicum Flower/Leaf Extract
(Tonic)
Curcuma Longa Root Extract
(Fragrance, Perfuming)
SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient)
1
Polyglyceryl-6 Polyricinoleate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
Hydroxyacetophenone
(Antioxidant)
1
Ascorbyl Glucoside
(Antioxidant)
1
Eclipta Prostrata Extract
(Skin Conditioning)
1
B
Coco-Caprylate/Caprate
(Emollient, Skin Conditioning)
2
A
Tromethamine
(Fragrance, Ph Adjuster, Buffering Agent, Masking)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Trisodium Ethylenediamine Disuccinate
(Chelating Agent)
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
Citrus Aurantium Amara Peel Oil
(Skin Conditioning)
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
7
Citral
(Flavoring Agent, Fragrance, Masking)
Allergens
Allergens
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens

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

Tetrahexyldecyl Ascorbate
Antioxidant, Skin Conditioning
Pentylene Glycol
Skin Conditioning
Glycerin
Humectant, Skin Protecting
Coconut Alkanes
Emollient
3-Glyceryl Ascorbate
Antioxidant, Humectant
Niacinamide
Skin Conditioning

Benefits

Good for dry skin
Good for sensitive skin

Concerns

Contains eu allergen
Not fungal acne (malassezia) safe
Citral — higher EWG
Geraniol — higher EWG

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
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Tetrahexyldecyl Ascorbate
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Coconut Alkanes
Emollient, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 EmollientSolvent
3-Glyceryl Ascorbate
Antioxidant, Humectant
Limited public safety data.Read moreShow less
EWG N/A AntioxidantHumectant
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion stabilising, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity controlling
Hippophae Rhamnoides Seed Oil
Skin protecting
Limited public safety data.Read moreShow less
EWG N/A Skin protecting
Diglycerin
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioningSolvent
Citrus Sinensis Peel Oil Expressed
Perfuming
Low-hazard ingredient.Read moreShow less
EWG 1 Perfuming
Melia Azadirachta Leaf Extract
Antimicrobial, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 AntimicrobialSkin protecting
Melia Azadirachta Flower Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Corallina Officinalis Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Coccinia Indica Fruit Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
+ 18 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
Aloe Barbadensis Flower Extract
Emollient, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 1–3 CIR B EmollientSkin conditioning Good for Sensitive Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry 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
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Citral
Flavoring agent, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 7 Flavoring agentFragranceMasking Allergens
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens

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

Officially notified as a cosmetic in Malaysia (NPRA). Government registration record.

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.

Tetrahexyldecyl Ascorbate, 3-Glyceryl Ascorbate, Ascorbyl Glucoside

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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