Bio Complete Serum

SENTÉ

Where to buy Possibly in stock

About this product

The SENTÉ Bio Complete Serum is a serums, essence, ampoule. Our analysis of its 30 ingredients (24 low-risk) rates it Excellent (97/100). 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
30
Low-risk
24
Fragrance
Contains fragrance
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 6/6
Good for dry skin
Dimethiconol Butylene Glycol Glycerin Hyaluronic Acid Dimethicone Cyclopentasiloxane
Caution for dry skin
Dimethicone Crosspolymer Glycerin Laureth-23 Polysorbate 80 PEG-12 Dimethicone Crosspolymer Laureth-4
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Sodium Ascorbyl Phosphate Retinol
Sensitive Skin 4/6
Good for sensitive skin
Sodium Ascorbyl Phosphate Glycerin Dimethicone Allantoin
Caution for sensitive skin
Dipropylene Glycol Butylene Glycol Glycerin Tromethamine Retinol Laureth-4

Ingredients list

30 total
Lower hazard (1) Higher hazard (9)
All30 Skin Conditioning21 Solvent6 Hair Conditioning6 Fragrance5 Skin Protecting5 Viscosity Controlling5 Humectant4 Masking4
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
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
3
A
Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
Silicone
Silicone
3
PEG-12 Dimethicone Crosspolymer
(Emulsion Stabilising, Emulsifying, Surfactant, Suspending Agent Nonsurfactant, Viscosity Increasing Agent, Stabilising, Viscosity Controlling)
1
A
Dimethicone Crosspolymer
(Emulsion Stabilising, Hair Fixing, Suspending Agent Nonsurfactant, Viscosity Increasingagent Nonaqueous, Viscosity Controlling)
1
A
Dimethicone/Vinyl Dimethicone Crosspolymer
(Viscosity Controlling)
1
A
Dimethiconol
(Antifoaming Agent, Skin Conditioning, Emollient, Moisturising)
Silicone
Silicone
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
3
B
Laureth-23
(Cleansing, Emulsifying, Surfactant)
Bad for Oily Skin
Bad for Oily Skin
2
3
B
Laureth-4
(Antistatic Agent, Emulsifying, Masking, Surfactant)
Bad for Oily Skin
Bad for Oily Skin
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
Dextran Sulfate
(Binding Agent, Skin Conditioning, Binding)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
Retinyl Sunflowerseedate
(Skin Conditioning)
9
A
Retinol
(Skin Conditioning)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Lysophosphatidic Acid
(Hair Conditioning, Skin Conditioning)
Myristoyl Nonapeptide-3
(Skin Conditioning)
1
Myristoyl Pentapeptide-17
(Skin Conditioning)
Sodium Safflowerate
(Cleansing, Surfactant Cleansing)
Linseed Oil Ethyl Esters
(Antioxidant, Hair Conditioning)
1
Dipalmitoyl Hydroxyproline
(Skin Conditioning, Antistatic Agent, Hair 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
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)
1
A
Sodium Ascorbyl Phosphate
(Antioxidant)
3
B
Polysorbate 80
(Denaturant, Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
2
Polyaminopropyl Biguanide
(Preservative)
PARFUM
(Fragrance, Perfuming)
2
A
Tromethamine
(Fragrance, Ph Adjuster, Buffering Agent, Masking)

My Ingredient Notes

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Key ingredients

Butylene Glycol
Skin Conditioning, Humectant
Cyclopentasiloxane
Skin Conditioning, Emollient
Dimethiconol
Skin Conditioning, Emollient
Dimethicone
Skin Protecting, Emollient
Glycerin
Humectant, Skin Protecting
Dextran Sulfate
Skin Conditioning

Benefits

Good for oily/acne-prone skin

Concerns

Contains silicone
Not fungal acne (malassezia) safe
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
Dipropylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentMaskingViscosity controlling
PEG-12 Dimethicone Crosspolymer
Emulsion stabilising, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 Emulsion stabilisingEmulsifyingSurfactantSuspending agent - nonsurfactantViscosity increasing agentStabilisingViscosity controlling
Dimethicone Crosspolymer
Emulsion stabilising, Hair fixing
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingHair fixingSuspending agent - nonsurfactantViscosity increasingagent - nonaqueousViscosity controlling
Dimethicone/Vinyl Dimethicone Crosspolymer
Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Viscosity controlling
Dextran Sulfate
Binding agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentSkin conditioningBinding
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Retinyl Sunflowerseedate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Lysophosphatidic Acid
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioning
Myristoyl Nonapeptide-3
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Myristoyl Pentapeptide-17
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Sodium Safflowerate
Cleansing, Surfactant cleansing
Limited public safety data.Read moreShow less
EWG N/A CleansingSurfactant cleansing
Linseed Oil Ethyl Esters
Antioxidant, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A AntioxidantHair conditioning
Dipalmitoyl Hydroxyproline
Skin conditioning, Antistatic agent
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningAntistatic agentHair conditioning
Hyaluronic Acid
Skin conditioning, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningViscosity increasing agentAntistatic agentHumectantMoisturising
+ 4 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
Cyclopentasiloxane
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioningEmollientSolvent Silicone
Dimethiconol
Antifoaming agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antifoaming agentSkin conditioningEmollientMoisturising Silicone
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Laureth-23
Cleansing, Emulsifying
Potentially comedogenic - can block poresRead moreShow less
EWG 3 CIR B CleansingEmulsifyingSurfactant Bad for Oily Skin
Laureth-4
Antistatic agent, Emulsifying
Potentially comedogenic - can block poresRead moreShow less
EWG 2–3 CIR B Antistatic agentEmulsifyingMaskingSurfactant Bad for Oily 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
Retinol
Skin conditioning
Potentially a skin irritantRead moreShow less
EWG 9 CIR A Skin conditioning Bad for Sensitive 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
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Polysorbate 80
Denaturant, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B DenaturantEmulsifyingSurfactant 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) (Retinyl Sunflowerseedate, 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.

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.

Retinyl Sunflowerseedate, 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.

Sodium Ascorbyl Phosphate

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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