Thickening Biotin Caffeine Conditioner

Tree to Tub

Thickening Biotin Caffeine Conditioner

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About this product

The Tree to Tub Thickening Biotin Caffeine Conditioner is a misc. Our analysis of its 31 ingredients (23 low-risk) rates it Excellent (99/100). 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
Misc
Ingredients
31
Low-risk
23
Fragrance
Fragrance-free
Origin
United States

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 7/4
Good for dry skin
Glyceryl Caprylate Cetearyl Alcohol Argania Spinosa Kernel Oil Caprylyl Glycol Butylene Glycol Glycerin Lactic Acid
Caution for dry skin
Glyceryl Caprylate Stearamidopropyl Dimethylamine Glycerin Menthol
Oily/Acne-Prone Skin No data
Sensitive Skin 5/10
Good for sensitive skin
Ascorbyl Palmitate Glycerin Tocopheryl Acetate Menthol Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Dipropylene Glycol Ascorbyl Palmitate Butylene Glycol Glycerin Citric Acid Eucalyptus Globulus Leaf Oil Sorbic Acid Potassium Sorbate Menthol Lactic Acid

Ingredients list

31 total
Lower hazard (1) Higher hazard (4)
All31 Skin Conditioning23 Fragrance9 Hair Conditioning6 Solvent5 Masking5 Humectant5 Viscosity Controlling4 Perfuming4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
1
B
Brassicamidopropyl Dimethylamine
(Hair Conditioning, Skin Conditioning)
1
B
Stearamidopropyl Dimethylamine
(Antistatic Agent, Emulsifying, Hair Conditioning, Surfactant)
Coffea Arabica Seed Extract
(Fragrance, Skin Conditioning)
1
A
Biotin
(Hair Conditioning, Skin Conditioning, Antiseborrhoeic)
1
A
Argania Spinosa Kernel Oil
(Emollient, Skin Conditioning)
Fungal Acne
Fungal Acne Trigger
1
Serenoa Serrulata Fruit Extract
(Lytic Agent, Skin Conditioning)
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
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
Phospholipids
(Skin Conditioning)
A
Pantothenic Acid
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
Retinyl Palmitate
(Skin Conditioning, Skin Conditioning Miscellaneous)
1
A
Ascorbyl Palmitate
(Antioxidant, Masking)
Fungal Acne
Fungal Acne Trigger
SAPINDUS MUKOROSSI PEEL EXTRACT
(Skin Conditioning)
Melaleuca Alternifolia Leaf Oil
(Antioxidant, Perfuming)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
1
A
Glyceryl Caprylate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
3
A
Potassium Sorbate
(Fragrance, Preservative)
3
A
Sorbic Acid
(Fragrance, Preservative)
1
Leuconostoc/Radish Root Ferment Filtrate
(Antidandruff Agent, Antimicrobial)
1
Menthol
(Denaturant, External Analgesic, Flavoring Agent, Fragrance, Oral Health Caredrug, Masking, Refreshing, Soothing)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
Bad for Dry Skin
Bad for Dry Skin
2
Eucalyptus Globulus Leaf Oil
(Perfuming, Skin Conditioning)
Bad for Sensitive Skin
Bad for Sensitive Skin
Citrus Aurantium Dulcis Peel Oil Expressed
(Perfuming)
1
A
Polyquaternium-10
(Antistatic Agent, Film Forming, Hair Fixing)

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

Cetearyl Alcohol
Emollient
Brassicamidopropyl Dimethylamine
Skin Conditioning
Coffea Arabica Seed Extract
Skin Conditioning
Biotin
Skin Conditioning
Argania Spinosa Kernel Oil
Emollient, Skin Conditioning
Serenoa Serrulata Fruit Extract
Skin Conditioning

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
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
Brassicamidopropyl Dimethylamine
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningSkin conditioning
Stearamidopropyl Dimethylamine
Antistatic agent, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Antistatic agentEmulsifyingHair conditioningSurfactant
Coffea Arabica Seed Extract
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioning
Biotin
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningAntiseborrhoeic
Serenoa Serrulata Fruit Extract
Lytic agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Lytic agentSkin conditioning
Phospholipids
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Pantothenic Acid
Antistatic agent, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR A Antistatic agentHair conditioningSkin conditioning
Retinyl Palmitate
Skin conditioning, Skin conditioning miscellaneous
Limited public safety data.Read moreShow less
EWG N/A Skin conditioningSkin conditioning miscellaneous
SAPINDUS MUKOROSSI PEEL EXTRACT
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Melaleuca Alternifolia Leaf Oil
Antioxidant, Perfuming
Limited public safety data.Read moreShow less
EWG N/A AntioxidantPerfuming
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
Dipropylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentMaskingViscosity controlling
+ 6 more — see the full ingredients list above
Argania Spinosa Kernel Oil
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioning Fungal-acne trigger
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive 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
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Ascorbyl Palmitate
Antioxidant, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A AntioxidantMasking Fungal-acne trigger
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
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin
Menthol
Denaturant, External analgesic
Potentially a skin irritantRead moreShow less
EWG 1 DenaturantExternal analgesicFlavoring agentFragranceOral health caredrugMaskingRefreshingSoothing Good for Oily SkinBad for Sensitive SkinBad for Dry Skin
Eucalyptus Globulus Leaf Oil
Perfuming, Skin conditioning
Strong essential oil which can irritate skinRead moreShow less
EWG 2 PerfumingSkin conditioning Bad for Sensitive Skin

How to use

How to use

  • 1 Evening: Use at night — start 2–3× a week and build up as your skin tolerates it.
  • 2 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Often avoided
Retinoids (Vitamin A) (Retinyl Palmitate)

Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

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

Retinoids (Vitamin A) 0.01–1%

Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.

Retinyl Palmitate

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

Ascorbyl Palmitate

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Lactic Acid

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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