Serum Facial AH-2

Principia

Where to buy Possibly in stock

About this product

The Principia Serum Facial AH-2 is a emulsion. Our analysis of its 13 ingredients (11 low-risk) rates it Excellent (97/100). 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
13
Low-risk
11
Fragrance
Fragrance-free
Origin
Brazil

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 5/2
Good for dry skin
Sodium Acetylated Hyaluronate Sodium Hyaluronate Crosspolymer Caprylyl Glycol Sodium Hyaluronate Glycerin
Caution for dry skin
Glycerin Sodium Hydroxide
Oily/Acne-Prone Skin No data
Sensitive Skin 1/2
Good for sensitive skin
Glycerin
Caution for sensitive skin
Glycerin Phenoxyethanol

Ingredients list

13 total
Lower hazard (1) Higher hazard (4)
All13 Skin Conditioning11 Humectant6 Solvent3 Hair Conditioning3 Denaturant2 Fragrance2 Antistatic Agent1 Emollient1
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Sodium Hyaluronate Crosspolymer
(Humectant, Skin Conditioning)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Sodium Acetylated Hyaluronate
(Humectant)
Hydrolyzed Sodium Hyaluronate
(Skin Conditioning)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
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
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry 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

Sodium Hyaluronate Crosspolymer
Humectant, Skin Conditioning
Pentylene Glycol
Skin Conditioning
Sodium Hyaluronate
Skin Conditioning, Humectant
Sodium Acetylated Hyaluronate
Humectant
Hydrolyzed Sodium Hyaluronate
Skin Conditioning
Ethylhexylglycerin
Skin Conditioning

Benefits

Good for dry skin

Concerns

Contains paraben
Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Sodium Hyaluronate Crosspolymer
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Sodium Acetylated Hyaluronate
Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Humectant
Hydrolyzed Sodium Hyaluronate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
Sodium Hydroxide
Denaturant, Ph adjuster
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B DenaturantPh adjusterBuffering agent
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry 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
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry 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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