Prep + Prime Moisture Infusion Serum

MAC Cosmetics

Prep + Prime Moisture Infusion Serum

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About this product

The MAC Cosmetics Prep + Prime Moisture Infusion Serum is a emulsion. Our analysis of its 48 ingredients (39 low-risk) rates it Excellent (99/100). 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
Emulsion
Ingredients
48
Low-risk
39
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 20/7
Good for dry skin
Algae Extract Dipotassium Glycyrrhizate Linolenic Acid Linoleic Acid Methyl Gluceth-20 Silica Dimethyl Silylate Astrocaryum Murumuru Seed Butter Ethylhexyl Palmitate Caprylyl Glycol Butylene Glycol Sodium PCA Sodium Hyaluronate Glycerin Trehalose Propylene Glycol Dicaprate Hordeum Vulgare Extract Dimethicone Bis-PEG-18 Methyl Ether Dimethyl Silane Phytantriol Aloe Barbadensis Leaf Extract
Caution for dry skin
Linolenic Acid Linoleic Acid Silica Dimethyl Silylate Xanthan Gum Glycerin PEG-60 Hydrogenated Castor Oil Silica
Oily/Acne-Prone Skin 0/1
Caution for oily/acne-prone skin
Propylene Glycol Dicaprate
Sensitive Skin 7/11
Good for sensitive skin
Nordihydroguaiaretic Acid Ethylbisiminomethylguaiacol Manganese Chloride Glycerin Polygonum Cuspidatum Root Extract Dimethicone Tocopheryl Acetate Aloe Barbadensis Leaf Extract
Caution for sensitive skin
Algae Extract Linolenic Acid Linoleic Acid Punica Granatum Fruit Juice Ethylhexyl Palmitate Caffeine Butylene Glycol Glycerin Tromethamine PEG-60 Hydrogenated Castor Oil Phenoxyethanol

Ingredients list

48 total
Lower hazard (1) Higher hazard (4)
All48 Skin Conditioning42 Humectant14 Fragrance12 Emollient12 Hair Conditioning10 Viscosity Controlling6 Antioxidant5 Skin Protecting5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Methyl Trimethicone
(Hair Conditioning, Skin Conditioning, Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
A
Biosaccharide Gum-1
(Skin Conditioning)
3
Bis-PEG-18 Methyl Ether Dimethyl Silane
(Humectant, Foam Boosting, Hydrotrope, Emollient, Hair Conditioning, Skin Conditioning)
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
3
B
PEG-60 Hydrogenated Castor Oil
(Fragrance, Sufactant, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Methyl Gluceth-20
(Humectant, Moisturising)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
Algae Extract
(Fragrance, Humectant, Oral Care Agent, Skin Conditioning, Emollient)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
Faex Extract
(Skin Conditioning)
Citrus Reticulata Peel Extract
(Skin Conditioning)
1
3
B
Aloe Barbadensis Leaf Extract
(Emollient, Humectant, Oral Care Agent, Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
Hordeum Vulgare Extract
(Emollient, Skin Conditioning)
1
Polygonum Cuspidatum Root Extract
(Antioxidant)
Cucumis Sativus Fruit Extract
(Skin Conditioning, Skin Conditioning Emollient)
Vitis Vinifera Seed Extract
(Anti Seborrheic, Antimicrobial, Antioxidant, Oral Care, Skin Protecting, Uv Absorber)
rosmarinus officinalis extract
(Antimicrobial, Refreshing, Tonic)
1
Selaginella Tamariscina Extract
(Skin Conditioning)
Humulus Lupulus Extract
(Antimicrobial, Antiperspirant, Fragrance, Hair Conditioning, Skin Conditioning, Skin Protecting)
1
Padina Pavonica Thallus Extract
(Skin Conditioning)
1
A
Astrocaryum Murumuru Seed Butter
(Emollient, Skin Conditioning)
Helianthus Annuus Seedcake
(Abrasive, Bulking)
cocos nucifera oil
(Fragrance, Hair Conditioning, Perfuming, Skin Conditioning)
1
Punica Granatum Fruit Juice
(Masking, Skin Conditioning)
1
Caffeine
(Fragrance, Skin Conditioning, Masking)
1
A
Trehalose
(Flavoring Agent, Humectant, Moisturising)
1
B
Propylene Glycol Dicaprate
(Skin Conditioning Agent Occlusive, Viscosity Increasing Agent, Emollient)
1
A
Dipotassium Glycyrrhizate
(Flavoring Agent, Skin Conditioning, Humectant)
1
B
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
2
3
A
Phytantriol
(Anticaking Agent, Hair Conditioning, Skin Conditioning, Humectant)
1
B
Ethylhexyl Palmitate
(Fragrance, Skin Conditioning, Emollient, Perfuming)
Fungal Acne
Fungal Acne Trigger
1
Acetyl Carnitine HCl
(Skin Conditioning)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
2
A
Tromethamine
(Fragrance, Ph Adjuster, Buffering Agent, Masking)
1
Polymethylsilsesquioxane
(Opacifying)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
B
Silica Dimethyl Silylate
(Anticaking Agent, Bulking Agent, Slip Modifier, Suspending Agent Nonsurfactant, Viscosityincreasing Agent Nonaqueous, Antifoaming Agent, Emollient, Emulsion Stabilising, Viscosity Controlling)
1
Linolenic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Linolenic Acid., Antistatic Agent, Emollient, Perfuming)
Fungal Acne
Fungal Acne Trigger
1
Linoleic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Linoleic Acid., Antistatic Agent, Emollient)
Fungal Acne
Fungal Acne Trigger
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
1
Nordihydroguaiaretic Acid
(Antioxidant)
1
Ethylbisiminomethylguaiacol Manganese Chloride
(Antioxidant)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben

My Ingredient Notes

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Key ingredients

Methyl Trimethicone
Skin Conditioning
Butylene Glycol
Skin Conditioning, Humectant
Dimethicone
Skin Protecting, Emollient
Biosaccharide Gum-1
Skin Conditioning
Bis-PEG-18 Methyl Ether Dimethyl Silane
Humectant, Emollient
Glycerin
Humectant, Skin Protecting

Benefits

Good for dry skin

Concerns

Contains paraben
Contains silicone
Not fungal acne (malassezia) safe
May not suit oily/acne-prone skin
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Methyl Trimethicone
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningSolvent
Biosaccharide Gum-1
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Bis-PEG-18 Methyl Ether Dimethyl Silane
Humectant, Foam boosting
Low-to-moderate hazard.Read moreShow less
EWG 3 HumectantFoam boostingHydrotropeEmollientHair conditioningSkin conditioning
Methyl Gluceth-20
Humectant, Moisturising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A HumectantMoisturising
Silica
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingViscosity controlling
Algae Extract
Fragrance, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHumectantOral care agentSkin conditioningEmollient
Faex Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Citrus Reticulata Peel Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Hordeum Vulgare Extract
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 EmollientSkin conditioning
Polygonum Cuspidatum Root Extract
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Cucumis Sativus Fruit Extract
Skin conditioning, Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning emollient
Vitis Vinifera Seed Extract
Anti seborrheic, Antimicrobial
Limited public safety data.Read moreShow less
EWG N/A Anti seborrheicAntimicrobialAntioxidantOral careSkin protectingUv absorber
rosmarinus officinalis extract
Antimicrobial, Refreshing
Limited public safety data.Read moreShow less
EWG N/A AntimicrobialRefreshingTonic
Selaginella Tamariscina Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
+ 21 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
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
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
PEG-60 Hydrogenated Castor Oil
Fragrance, Sufactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceSufactantSurfactant Fungal-acne trigger
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Aloe Barbadensis Leaf Extract
Emollient, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 1–3 CIR B EmollientHumectantOral care agentSkin conditioning Good 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
Ethylhexyl Palmitate
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B FragranceSkin conditioningEmollientPerfuming Fungal-acne trigger
Linolenic Acid
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHair conditioningSkin conditioningSufactantsurfactant-cleansing agent is included as a function for the soap form of linolenic acid.Antistatic agentEmollientPerfuming Fungal-acne trigger
Linoleic Acid
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHair conditioningSkin conditioningSufactantsurfactant-cleansing agent is included as a function for the soap form of linoleic acid.Antistatic agentEmollient Fungal-acne trigger
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

How to use

How to use

  • 1 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.

General guidance from this product's category and active ingredients — always follow the directions on the package.

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