Amino Acids + B5

The Ordinary

Where to buy Possibly in stock

About this product

The Ordinary Amino Acids + B5 is a serums, essence, ampoule. Our analysis of its 26 ingredients (26 low-risk) rates it Excellent (100/100). 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
Serums, Essence, Ampoules
Ingredients
26
Low-risk
26
Fragrance
Fragrance-free
Origin
Canada

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 7/1
Good for dry skin
Glutamic Acid Betaine Caprylyl Glycol Sodium PCA Histidine Sodium Lactate PCA
Caution for dry skin
Polysorbate 20
Oily/Acne-Prone Skin No data
Sensitive Skin 0/13
Caution for sensitive skin
Glycine Glutamic Acid Valine Serine Aspartic Acid Alanine Arginine Isoleucine Threonine Phenylalanine Proline Histidine Citric Acid

Ingredients list

26 total
Lower hazard (1) Higher hazard (3)
All26 Skin Conditioning25 Hair Conditioning17 Fragrance13 Antistatic Agent13 Humectant9 Masking6 Solvent4 Viscosity Controlling3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
B
Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling)
1
B
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
3
B
Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic)
1
A
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
3
B
PCA
(Humectant, Moisturising)
1
A
Aspartic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning)
1
A
Alanine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Threonine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Hair Waving Or Straightening)
1
A
Valine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Proline
(Fragrance, Hair Conditioning, Skin Conditioning)
1
A
Isoleucine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1
A
Lysine HCL
(Hair Conditioning, Skin Conditioning)
1
A
Histidine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant)
1
A
Phenylalanine
(Fragrance, Hair Conditioning, Skin Conditioning)
1
A
Glutamic Acid
(Fragrance, Hair Conditioning, Humectant, Antistatic Agent)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Dimethyl Isosorbide
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
Trisodium Ethylenediamine Disuccinate
(Chelating Agent)
1
A
1,2-Hexanediol
(Solvent)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)

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

Betaine
Humectant, Skin Conditioning
Sodium PCA
Humectant, Skin Conditioning
Panthenol
Skin Conditioning
Sodium Lactate
Exfoliant, Humectant
Arginine
Skin Conditioning
PCA
Humectant, Moisturising

Benefits

Good for dry skin

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Betaine
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioningViscosity controlling
Sodium Lactate
Buffering agent, Exfoliant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Buffering agentExfoliantHumectantKeratolytic
Arginine
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioningAntistatic agentMasking
PCA
Humectant, Moisturising
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B HumectantMoisturising
Aspartic Acid
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioningAntistatic agentMasking
Glycine
Buffering agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Buffering agentFragranceHair conditioningSkin-conditioning agent -miscellaneousAntistatic agentSkin conditioning
Alanine
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioningAntistatic agentMasking
Serine
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioningAntistatic agentMasking
Threonine
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioningAntistatic agentHair waving or straightening
Valine
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioningAntistatic agentMasking
Proline
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioning
Isoleucine
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioningAntistatic agent
Lysine HCL
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioning
+ 7 more — see the full ingredients list above
Sodium PCA
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioning Good for Dry Skin
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 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.

Trust & honesty

Officially notified as a cosmetic in Malaysia (NPRA). Government registration record.

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