Booster Serum

To/One

Where to buy Possibly in stock

About this product

The To/One Booster Serum is a emulsion. Our analysis of its 35 ingredients (22 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
35
Low-risk
22
Fragrance
Fragrance-free
Origin
Japan

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 8/4
Good for dry skin
Anhydroxylitol Betaine Ectoin Xylitol Xylitylglucoside Butylene Glycol Glycerin Trehalose
Caution for dry skin
Rosa Canina Fruit Extract Xanthan Gum Glycerin Polyglyceryl-10 Myristate
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Rosa Canina Fruit Extract
Sensitive Skin 1/8
Good for sensitive skin
Glycerin
Caution for sensitive skin
Crocus Sativus Flower Extract Pelargonium Graveolens Oil Sodium Citrate Butylene Glycol Glycerin Citric Acid Acacia Senegal Gum Cananga Odorata Flower Oil

Ingredients list

35 total
Lower hazard (1) Higher hazard (3)
All35 Skin Conditioning25 Humectant11 Fragrance10 Masking7 Tonic6 Solvent5 Perfuming4 Viscosity Controlling4
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
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
B
Betaine
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning, Viscosity Controlling)
salix alba bark extract
(Astringent, Hair Conditioning, Skin Conditioning, Soothing, Tonic)
Ulmus Davidiana Root Extract
(Skin Conditioning)
Coleus Scutellarioides Leaf/Stem Extract
(Humectant, Skin Conditioning)
1
Ectoin
(Buffering Agent, Skin Conditioning, Emollient)
1
Bacillus Ferment
(Skin Conditioning)
1
A
Trehalose
(Flavoring Agent, Humectant, Moisturising)
1
Crocus Sativus Flower Extract
(Masking)
Leontopodium Alpinum Flower/Leaf Extract
(Skin Conditioning)
1
Rosa Canina Fruit Extract
(Astringent, Skin Conditioning, Tonic)
Salvia Officinalis Leaf Extract
(Anti Seborrheic, Cleansing, Oral Care, Skin Conditioning, Tonic)
Lavandula Angustifolia Flower Extract
(Cleansing, Deodorant, Fragrance, Refreshing, Tonic)
1
Xylitol
(Flavoring Agent, Humectant, Skin Conditioning)
1
Anhydroxylitol
(Humectant, Skin Conditioning)
1
Xylitylglucoside
(Humectant, Skin Conditioning)
lavandula angustifolia oil
(Fragrance, Tonic)
1
Pelargonium Graveolens Oil
(Masking, Perfuming)
Chamomilla Recutita Oil
(Fragrance, Tonic)
Rosmarinus Officinalis Leaf Oil
(Fragrance, Skin Conditioning)
3
Cananga Odorata Flower Oil
(Masking, Perfuming)
Bad for Sensitive Skin
Bad for Sensitive Skin
Lavandula Angustifolia Flower Oil
(Fragrance)
Solanum Lycopersicum Fruit Oil
(Skin Conditioning)
Citrus Aurantium Bergamia Fruit Oil
(Fragrance, Perfuming)
1
Orange Roughy Oil
(Skin Conditioning)
1
Polyglyceryl-10 Myristate
(Skin Conditioning, Emulsifying, Surfactant)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
Succinoglycan
(Skin Conditioning)
3
A
Acacia Senegal Gum
(Adhesive, Fragrance, Film Forming, Masking)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
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

Glycerin
Humectant, Skin Protecting
Pentylene Glycol
Skin Conditioning
Betaine
Humectant, Skin Conditioning
salix alba bark extract
Astringent, Skin Conditioning
Ulmus Davidiana Root Extract
Skin Conditioning
Coleus Scutellarioides Leaf/Stem Extract
Humectant, Skin Conditioning

Benefits

Good for dry skin
Good for oily/acne-prone 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
Pentylene Glycol
Skin conditioning, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSolvent
Betaine
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioningViscosity controlling
salix alba bark extract
Astringent, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A AstringentHair conditioningSkin conditioningSoothingTonic
Ulmus Davidiana Root Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Coleus Scutellarioides Leaf/Stem Extract
Humectant, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A HumectantSkin conditioning
Ectoin
Buffering agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Buffering agentSkin conditioningEmollient
Bacillus Ferment
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Trehalose
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentHumectantMoisturising
Crocus Sativus Flower Extract
Masking
Low-hazard ingredient.Read moreShow less
EWG 1 Masking
Leontopodium Alpinum Flower/Leaf Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Rosa Canina Fruit Extract
Astringent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AstringentSkin conditioningTonic
Salvia Officinalis Leaf Extract
Anti seborrheic, Cleansing
Limited public safety data.Read moreShow less
EWG N/A Anti seborrheicCleansingOral careSkin conditioningTonic
Lavandula Angustifolia Flower Extract
Cleansing, Deodorant
Limited public safety data.Read moreShow less
EWG N/A CleansingDeodorantFragranceRefreshingTonic
+ 16 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
Cananga Odorata Flower Oil
Masking, Perfuming
Strong essential oil which can irritate skinRead moreShow less
EWG 3 MaskingPerfuming Bad 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
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling 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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