MD Formulations Continuous Renewal Serum, Sensitive Skin Formula

MD Formulations

MD Formulations Continuous Renewal Serum, Sensitive Skin Formula

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About this product

The MD Formulations Continuous Renewal Serum, Sensitive Skin Formula is a serums, essence, ampoule. Our analysis of its 19 ingredients (15 low-risk) rates it Excellent (88/100).

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
19
Low-risk
15
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 5/6
Good for dry skin
Glyceryl Stearate Sucrose Cocoate Isododecane Isohexadecane Glycerin
Caution for dry skin
Magnesium Aluminum Silicate Sucrose Cocoate Xanthan Gum Glycerin Steareth-2 PEG-100 Stearate
Oily/Acne-Prone Skin No data
Sensitive Skin 2/4
Good for sensitive skin
Allantoin Glycyrrhetinic Acid Glycerin
Caution for sensitive skin
Isododecane Glycerin Methylparaben Propylparaben

Ingredients list

19 total
Lower hazard (1) Higher hazard (7)
All19 Skin Conditioning7 Viscosity Controlling5 Emulsion Stabilising5 Solvent4 Fragrance4 Viscosity Increasing Agent4 Emollient4 Surfactant3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
4
Ammonium Glycolate
(Exfoliant, Ph Adjuster, Buffering Agent, Keratolytic)
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
B
Isododecane
(Fragrance, Solvent, Emollient, Perfuming)
1
B
Isohexadecane
(Skin Conditioning, Emollient, Solvent)
1
A
Ceresin
(Binding Agent, Epilating Agent, Viscosity Increasing Agent, Antistatic Agent, Binding, Emulsion Stabilising, Hair Conditioning, Opacifying, Viscosity Controlling)
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
Sucrose Cocoate
(Skin Conditioning, Emollient, Emulsifying, Surfactant, Antistatic Agent)
Fungal Acne
Fungal Acne Trigger
3
B
Steareth-2
(Emulsifying, Surfactant)
1
A
Magnesium Aluminum Silicate
(Absorbent, Anticaking Agent, Opacifying, Slip Modifier, Viscosity Increasing Agent, Viscosity Controlling)
3
A
PEG-100 Stearate
(Surfactant)
Fungal Acne
Fungal Acne Trigger
4
B
Glycolic Acid
(Exfoliant, Ph Adjuster, Buffering Agent)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
(-)-alpha-isabolol
1
A
Allantoin Glycyrrhetinic Acid
(Skin Conditioning, Skin Protecting, Soothing)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Cetyl Hydroxyethylcellulose
(Emulsion Stabilising, Viscosity Increasing Agent, Film Forming, Viscosity Controlling)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
4
A
Methylparaben
(Fragrance, Preservative)
Paraben
Paraben
7
A
Propylparaben
(Fragrance, Preservative, Perfuming)
Paraben
Paraben

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

Ammonium Glycolate
Exfoliant
Glycerin
Humectant, Skin Protecting
Isododecane
Emollient
Isohexadecane
Skin Conditioning, Emollient
Glyceryl Stearate
Emollient
Sucrose Cocoate
Skin Conditioning, Emollient

Benefits

No standout benefits flagged for this product.

Concerns

Contains paraben
Not fungal acne (malassezia) safe
Propylparaben — higher EWG
May not suit dry skin
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
Ammonium Glycolate
Exfoliant, Ph adjuster
Low-to-moderate hazard.Read moreShow less
EWG 4 ExfoliantPh adjusterBuffering agentKeratolytic
Isododecane
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B FragranceSolventEmollientPerfuming
Isohexadecane
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientSolvent
Ceresin
Binding agent, Epilating agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEpilating agentViscosity increasing agentAntistatic agentBindingEmulsion stabilisingHair conditioningOpacifyingViscosity controlling
Steareth-2
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant
Magnesium Aluminum Silicate
Absorbent, Anticaking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AbsorbentAnticaking agentOpacifyingSlip modifierViscosity increasing agentViscosity controlling
(-)-alpha-isabolol
Other
Low-hazard ingredient.Read moreShow less
EWG 1
Allantoin Glycyrrhetinic Acid
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing
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
Cetyl Hydroxyethylcellulose
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentFilm formingViscosity controlling
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
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
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-acne trigger
Sucrose Cocoate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollientEmulsifyingSurfactantAntistatic agent Fungal-acne trigger
PEG-100 Stearate
Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Surfactant Fungal-acne trigger
Glycolic Acid
Exfoliant, Ph adjuster
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantPh adjusterBuffering agent Good for Oily SkinBad for Sensitive Skin
Methylparaben
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Propylparaben
Fragrance, Preservative
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A FragrancePreservativePerfuming Paraben

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.

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.

Glycolic 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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