M4 Face Serum RX

Alloy

Where to buy Possibly in stock

About this product

The Alloy M4 Face Serum RX is a emulsion. Our analysis of its 15 ingredients (13 low-risk) rates it Excellent (100/100). 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
Emulsion
Ingredients
15
Low-risk
13
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 Minimal Ingredients

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 7/2
Good for dry skin
Isopropyl Jojobate Hyaluronic Acid Jojoba Alcohol Jojoba Esters Cyclopentasiloxane PEG-16 Macadamia Glycerides PEG-12 Dimethicone/PPG-20 Crosspolymer
Caution for dry skin
Phosphatidylcholine PEG-16 Macadamia Glycerides
Oily/Acne-Prone Skin No data
Sensitive Skin 2/0
Good for sensitive skin
Jojoba Esters Tocopheryl Acetate

Ingredients list

15 total
Lower hazard (1) Higher hazard (3)
All15 Skin Conditioning18 Emollient6 Moisturising2 Hair Conditioning2 Solvent2 Emulsifying2 Surfactant2 Film Forming2
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Palmitoyl Pentapeptide-4
(Skin Conditioning)
1
Acetyl Hexapeptide-1
(Skin Conditioning)
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)
3
A
Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
Silicone
Silicone
1
Caprylyl Methicone
(Skin Conditioning)
3
PEG-16 Macadamia Glycerides
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
Polysilicone-11
(Film Forming)
A
PEG-12 Dimethicone/PPG-20 Crosspolymer
(Emollient, Skin Conditioning)
Ceramide AP
(Hair Conditioning, Skin Conditioning)
1
A
1,2-Hexanediol
(Solvent)
1
A
Phosphatidylcholine
(Skin Conditioning, Emulsifying, Surfactant)
1
A
Jojoba Esters
(Emollient, Moisturising, Skin Conditioning, Soothing)
1
Isopropyl Jojobate
(Skin Conditioning, Emollient)
1
A
Jojoba Alcohol
(Emollient, Skin Conditioning, Viscosity Controlling)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin

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

Palmitoyl Pentapeptide-4
Skin Conditioning
Acetyl Hexapeptide-1
Skin Conditioning
Hyaluronic Acid
Skin Conditioning, Humectant
Cyclopentasiloxane
Skin Conditioning, Emollient
Caprylyl Methicone
Skin Conditioning
PEG-16 Macadamia Glycerides
Skin Conditioning, Emollient

Benefits

Fungal-acne (Malassezia) safe
Good for dry skin
Good for sensitive skin

Concerns

Contains silicone

Ingredients explained

Palmitoyl Pentapeptide-4
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Acetyl Hexapeptide-1
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Hyaluronic Acid
Skin conditioning, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningViscosity increasing agentAntistatic agentHumectantMoisturising
Caprylyl Methicone
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
PEG-16 Macadamia Glycerides
Skin conditioning, Emollient
Low-to-moderate hazard.Read moreShow less
EWG 3 Skin conditioningEmollientEmulsifyingSurfactant
Polysilicone-11
Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Film forming
PEG-12 Dimethicone/PPG-20 Crosspolymer
Emollient, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR A EmollientSkin conditioning
Ceramide AP
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioning
1,2-Hexanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Solvent
Phosphatidylcholine
Skin conditioning, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmulsifyingSurfactant
Jojoba Esters
Emollient, Moisturising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMoisturisingSkin conditioningSoothing
Isopropyl Jojobate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollient
Jojoba Alcohol
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioningViscosity controlling
Cyclopentasiloxane
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioningEmollientSolvent Silicone
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin

How to use

How to use

  • 1 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.

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