Thickening Biotin Caffeine Shampoo
The Tree to Tub Thickening Biotin Caffeine Shampoo is a misc. Our analysis of its 27 ingredients (14 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to sensitive skin.
The Tree to Tub Thickening Biotin Caffeine Shampoo is a misc. Our analysis of its 27 ingredients (14 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to sensitive skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Sapindus Mukorossi Seed
(Skin Conditioning) |
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Aloe Barbadensis Leaf Juice
(Skin Conditioning) |
Good for Sensitive Skin
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Cocamidopropyl Betaine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling) |
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Sodium Lauroyl Sarcosinate
(Antistatic Agent, Cleansing, Emulsifying, Foaming, Hair Conditioning, Skin Conditioning, Surfactant, Viscosity Controlling) |
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Sodium Lauryl Sulfoacetate
(Cleansing, Foaming, Surfactant) |
Sulfate
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Propylene Glycol Caprylate
(Skin Conditioning, Surfactant) |
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Decyl Glucoside
(Cleansing, Emulsion Stabilising, Surfactant) |
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Hydrolyzed Jojoba Esters
(Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning Agent Occlusive, Emulsifying, Surfactant, Skin Conditioning) |
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Tetrasodium Glutamate Diacetate
(Chelating Agent) |
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Serenoa Serrulata Fruit Extract
(Lytic Agent, Skin Conditioning) |
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Biotin
(Hair Conditioning, Skin Conditioning, Antiseborrhoeic) |
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Tocopheryl Acetate
(Antioxidant, Skin Conditioning) |
Bad for Oily Skin
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Retinyl Palmitate
(Skin Conditioning, Skin Conditioning Miscellaneous) |
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Pantothenic Acid
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
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Ascorbyl Palmitate
(Antioxidant, Masking) |
Fungal Acne Trigger
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Cholecalciferol
(Skin Conditioning) |
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Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing) |
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Coffea Arabica Seed Extract
(Fragrance, Skin Conditioning) |
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Argania Spinosa Kernel Oil
(Emollient, Skin Conditioning) |
Fungal Acne Trigger
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Cucurbita Pepo Seed Oil
(Skin Conditioning, Skin Conditioning Emollient) |
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Melaleuca Alternifolia Leaf Oil
(Antioxidant, Perfuming) |
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Salvia Officinalis Leaf Water
(Fragrance, Skin Conditioning) |
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rosmarinus officinalis leaf extract
(Antimicrobial, Fragrance, Skin Conditioning) |
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Menthol
(Denaturant, External Analgesic, Flavoring Agent, Fragrance, Oral Health Caredrug, Masking, Refreshing, Soothing) |
Good for Oily Skin
Bad for Sensitive Skin
Bad for Dry Skin
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Eucalyptus Globulus Leaf Oil
(Perfuming, Skin Conditioning) |
Bad for Sensitive Skin
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citrus aurantium dulcis peel oil
(Fragrance, Skin Conditioning) |
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Polyquaternium-67
(Antistatic Agent, Film Forming, Hair Conditioning) |
No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.
How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
Contains ingredients some choose to avoid or double-check while pregnant or nursing.
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.
The concentrations these actives are typically effective at in research — not a measurement of this product.
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
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
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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