#1 The Hydragel

Rationale

Where to buy Possibly in stock

About this product

The Rationale #1 The Hydragel is a moisturizer. Our analysis of its 80 ingredients (57 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to dry skin.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Moisturizers
Ingredients
80
Low-risk
57
Fragrance
Fragrance-free
Origin
Australia

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 14/8
Good for dry skin
Glutamic Acid Glyceryl Stearate Citrate Glyceryl Caprylate Honey Extract Betaine Cetearyl Alcohol Cetyl Alcohol Ethylhexyl Palmitate Butylene Glycol Sodium Hyaluronate Glycerin Cholesterol Histidine Pyridoxine Tris-Hexyldecanoate
Caution for dry skin
Glyceryl Caprylate Maltodextrin Behenic Acid Cetyl Alcohol Sodium Polyacrylate Starch Glycerin Hydrogenated Lecithin Ceteareth-25
Oily/Acne-Prone Skin No data
Sensitive Skin 3/28
Good for sensitive skin
Glycerin Copper Gluconate Allantoin
Caution for sensitive skin
Glycine Glutamic Acid Lysine Litsea Cubeba Fruit Oil Juniperus Mexicana Oil Valine Serine Cetyl Alcohol Pelargonium Graveolens Oil Sodium Citrate Aspartic Acid Alanine Arginine Ethylhexyl Palmitate Isoleucine Butylene Glycol Glycerin Tyrosine Threonine Phenylalanine Proline Histidine Citric Acid Sodium Benzoate Potassium Sorbate Linalool Limonene Citral

Ingredients list

80 total
Lower hazard (1) Higher hazard (7)
All80 Skin Conditioning70 Fragrance32 Hair Conditioning29 Masking16 Antistatic Agent16 Humectant11 Emulsion Stabilising9 Viscosity Controlling9
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
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
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
B
Ethylhexyl Palmitate
(Fragrance, Skin Conditioning, Emollient, Perfuming)
Fungal Acne
Fungal Acne Trigger
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
B
Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling)
1
Sodium Polyacrylate Starch
(Absorbent, Binding Agent, Emulsion Stabilising, Viscosity Increasing Agent, Binding, Film Forming, Viscosity Controlling)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
1,2-Hexanediol
(Solvent)
1
B
Glyceryl Stearate Citrate
(Skin Conditioning, Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
1
A
Cetyl Alcohol
(Emulsion Stabilising, Fragrance, Opacifying, Emulsifying, Surfactant, Foam Boosting, Viscosity Increasing Agent, Emollient, Masking, Viscosity Controlling)
2
Mica
(Cosmetic Colorant, Opacifying)
Hibbertia Scandens Leaf Extract
(Antioxidant, Bleaching, Hair Conditioning, Humectant, Skin Conditioning, Skin Protecting)
2
A
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant)
1
Pyridoxine HCl
(Hair Conditioning, Skin Conditioning, Antistatic Agent)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
Acacia Melanoxylon Leaf Extract
(Skin Conditioning, Skin Conditioning Emollient)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
1
Caprylhydroxamic Acid
(Chelating Agent)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
1
A
Glycyrrhetinic Acid
(Skin Conditioning)
1
Honey Extract
(Humectant, Skin Conditioning, Moisturising)
Pyridoxine Tris-Hexyldecanoate
(Humectant)
Santalum Spicatum Seed Oil
(Skin Conditioning)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
Citrus Aurantium Dulcis Oil
(Fragrance)
3
B
Ceteareth-25
(Cleansing, Emulsifying, Surfactant)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
1
A
Magnesium Aspartate
(Skin Conditioning)
3
Zinc Gluconate
(Cosmetic Biocide, Skin Conditioning, Deodorant)
Citrus Aurantium Bergamia Fruit Oil
(Fragrance, Perfuming)
citrus grandis peel oil
(Fragrance, Perfuming, Skin Conditioning)
Citrus Limon Peel Oil
(Fragrance, Perfuming, Skin Conditioning)
1
Litsea Cubeba Fruit Oil
(Masking, Perfuming, Tonic)
2
A
Tin Oxide
(Abrasive, Bulking Agent, Opacifying, Viscosity Controlling)
Citrus Aurantium Bergamia Leaf Oil
(Astringent)
1
Juniperus Mexicana Oil
(Fragrance, Masking)
1
Pelargonium Graveolens Oil
(Masking, Perfuming)
Citrus Aurantium Amara Flower Oil
(Fragrance, Skin Conditioning)
Eugenia Caryophyllus Leaf Oil
(Fragrance, Perfuming, Skin Conditioning, Tonic)
1
A
Maltodextrin
(Absorbent, Binding Agent, Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning, Suspending Agent Nonsurfactant, Binding)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Behenic Acid
(Opacifying, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Behenic Acid., Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
1
A
Cholesterol
(Emulsion Stabilising, Skin Conditioning, Viscosity Increasing Agent, Emollient, Emulsifying, Stabilising, Viscosity Controlling)
2
Copper Gluconate
(Skin Conditioning, Skin Protecting)
3
A
Potassium Sorbate
(Fragrance, Preservative)
Ceramide NS
(Hair Conditioning, Skin Conditioning)
1
A
Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning)
1
A
Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Glutamic Acid
(Fragrance, Hair Conditioning, Humectant, Antistatic Agent)
Ceramide AP
(Hair Conditioning, Skin Conditioning)
Ceramide EOP
(Hair Conditioning, Skin Conditioning)
Ceramide EOS
(Hair Conditioning, Skin Conditioning)
1
A
Aspartic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Leucine
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
A
Caprooyl Phytosphingosine
(Hair Conditioning, Skin Conditioning)
A
Caprooyl Sphingosine
(Hair Conditioning, Skin Conditioning)
1
A
Alanine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Lysine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1
A
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Tyrosine
(Fragrance, Hair Conditioning, Proprietary, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Masking, Skin Conditioning)
1
A
Phenylalanine
(Fragrance, Hair Conditioning, Skin Conditioning)
1
A
Proline
(Fragrance, Hair Conditioning, Skin Conditioning)
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
Isoleucine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1
A
Histidine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant)
1
Cyanocobalamin
(Skin Conditioning)
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
7
Citral
(Flavoring Agent, Fragrance, Masking)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
CI 77891
(Colorant)
1
2
CI 77491
(Colorant, Cosmetic Colorant)

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

Glycerin
Humectant, Skin Protecting
Pentylene Glycol
Skin Conditioning
Ethylhexyl Palmitate
Skin Conditioning, Emollient
Niacinamide
Skin Conditioning
Betaine
Humectant, Skin Conditioning
Panthenol
Skin Conditioning

Benefits

Good for dry skin

Concerns

Contains eu allergen
Not fungal acne (malassezia) safe
Citral — higher EWG
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
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
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 Polyacrylate Starch
Absorbent, Binding agent
Low-hazard ingredient.Read moreShow less
EWG 1 AbsorbentBinding agentEmulsion stabilisingViscosity increasing agentBindingFilm formingViscosity controlling
1,2-Hexanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Solvent
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
Cetyl Alcohol
Emulsion stabilising, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingFragranceOpacifyingEmulsifyingSurfactantFoam boostingViscosity increasing agentEmollientMaskingViscosity controlling
Mica
Cosmetic colorant, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 2 Cosmetic colorantOpacifying
Hibbertia Scandens Leaf Extract
Antioxidant, Bleaching
Limited public safety data.Read moreShow less
EWG N/A AntioxidantBleachingHair conditioningHumectantSkin conditioningSkin protecting
Hydrogenated Lecithin
Skin conditioning, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Skin conditioningEmulsifyingSurfactantSuspending agent- nonsurfactant
Pyridoxine HCl
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioningAntistatic agent
Acacia Melanoxylon Leaf Extract
Skin conditioning, Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning emollient
Caprylhydroxamic Acid
Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 Chelating agent
+ 53 more — see the full ingredients list above
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
Ethylhexyl Palmitate
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B FragranceSkin conditioningEmollientPerfuming Fungal-acne trigger
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin
Glyceryl Stearate Citrate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollientEmulsifying Fungal-acne trigger
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive 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
Behenic Acid
Opacifying, Sufactantsurfactant-cleansing agent is included as a function for the soap form of behenic acid.
Low-hazard ingredient.Read moreShow less
EWG 1 OpacifyingSufactantsurfactant-cleansing agent is included as a function for the soap form of behenic acid.Emulsifying Fungal-acne trigger
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Citral
Flavoring agent, Fragrance
Higher-hazard ingredient.Read moreShow less
EWG 7 Flavoring agentFragranceMasking Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens

How to use

How to use

  • 1 Where it fits: Apply near the end of your routine, after thinner serums.
  • 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

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

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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