A bottle of Tree to Tub Thickening Biotin Caffeine Shampoo with a pump dispenser, surrounded by natural ingredients including soapberry, aloe vera, and argan nuts. The label highlights benefits for thin hair and sensitive scalp. A woman in a black swimsuit stands in a shower, smiling and dispensing liquid soap from a bottle into her hand, with water running down a concrete wall in the background. A flat lay of natural ingredients, including coffee beans, sage leaves, pumpkin seeds, green pods, eucalyptus leaves, rosemary, two yellow capsules, and drops of a creamy liquid on a white background. A bottle of Tree To Tub Soapberry for Hair shampoo with a pump top sits on a white surface next to soapberries, coffee beans, and a folded white towel. A green plant leaf appears in the background. A woman wearing a black one-piece swimsuit stands under a shower, smiling with her eyes closed and hands behind her head. Water is running down her wet hair and body. The background is a plain, wet concrete wall.
A bottle of Tree to Tub Thickening Biotin Caffeine Shampoo with a pump dispenser, surrounded by natural ingredients including soapberry, aloe vera, and argan nuts. The label highlights benefits for thin hair and sensitive scalp.

Tree To Tub Biotin & Caffeine Volumizing Shampoo for Sensitive Scalp

8.5 oz

Why we love it

  • Free from thousands of banned ingredients and meets our EU-informed standards.
  • Strengthens and revitalizes thin hair with caffeine, biotin, and botanical ingredients.
  • pH-balanced formula is gentle on sensitive skin, including conditions like psoriasis and eczema.
  • Free from harmful ingredients like SLS and silicone, only using safe and nourishing botanical extracts.
Scent: Eucalyptus & Tea Tree

$22.99

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Free carbon neutral shipping on orders $29+. Arrives in 3-5 days. Free, easy 30-day returns.

Sick and tired of hair that looks thinner by the day?

Energize weak, thinning hair and a barren scalp with a deeply nourishing & revitalizing Caffeine & Biotin Shampoo.

This uniquely powerful formulation boosts volume and banishes breakage in no time while also supporting a fertile scalp.

Choose a tea tree shampoo that’s packed with the proven power of Biotin, Caffeine, Saw Palmetto, and a host of Vitamins, all ingredients known to help restore hair’s natural strength and shine.

Packaging may vary.

What makes this Caffeine & Biotin Shampoo special?

  • A Truly Gentle Volumizing Shampoo: Soothe & restore with a soapberry based sensitive scalp shampoo packed with caffeine, saw palmetto, and vitamins A, B, C, D & E.
  • Hair Loss Sucks: Let this biotin & caffeine shampoo for fine hair strengthen your hair from root to tip and combat breakage & loss.
  • Fertilize Arid Scalp: The organic aloe vera, pumpkin seed, vitamins, and caffeine detox & soothe first and nourish & stimulate soon after.
  • Look So Good, Feel So Good: The result? The thicker fuller hair you wished for, with a healthy, fertile scalp to match!
  • No Sulfate & SLS, Yes Soapberry: Try the natural foaming magic of the soapberry and indulge in its gentle cleansing lather!
  • Clean & Color Safe: This sulfate free shampoo is also silicone free & paraben free – a gentle shampoo for color-treated hair.
  • Daily Aromatherapy Let the light, natural scent of this eucalyptus & tea tree oil shampoo awaken and invigorate your senses.
  • Loved By All: This rejuvenating shampoo for women & men works wonders for all hair types and sensitive scalps.
  • Complete The Set: Bundle up a volumizing shampoo & conditioner set. Your hair will thank you!!
  • Shine From Head To Toe: Tree to Tub’s body care, hair care, and facial skin care products enhance each other when used together!

What makes Tree to Tub products different?

Every single Tree to Tub product is produced with these important values in mind:

Gentle For All - Dry, sensitive, or allergy-prone skin, eczema, psoriasis, dermatitis, rosacea. You name it!

Skin-Friendly pH - Protect skin and allow its microbiome to flourish with naturally pH-balanced formulas.

Natural Fragrance - No sneaky synthetics or irritants. Just light, natural scents from pure essential oils and unscented products suitable for the most sensitive skin types.

Clean Ingredients - No Sulfates, SLS, Parabens, DEA/MEA, Gluten, or anything else you might find on a nasties list. Only the best, straight from Mother Nature.

Earth Friendly - Vegan, cruelty-free & nature-friendly formulas that come in recycled or recyclable packaging.

Sapindus Mukorossi (Wild Soapberry) Juice, Aloe Barbadensis Leaf (Organic Aloe Vera) Juice, Cocamidopropyl Betaine (from Coconut), Sodium Lauroyl Sarcosinate (from Coconut & Palm), Sodium Lauryl Sulfoacetate (from Coconut & Palm), Caprylyl Glycol (from Coconut) & Dipropylene Glycol & Glyceryl Caprylate (from Coconut), Decyl Glucoside (from Coconut), Hydrolyzed Jojoba Esters (from Jojoba Oil), Tetrasodium Glutamate Diacetate, Serenoa Serrulata Fruit (Organic Saw Palmetto) Extract, Biotin (Vitamin B7), Tocopheryl Acetate & Retinyl Palmitate & Pantothenic Acid & Ascorbyl Palmitate & Cholecalciferol (Vitamins A, B, C, D, E), Nicotinamide (Vitamin B3), Coffea Arabica Seed (Caffeine) Extract, Argania Spinosa Kernel Oil (Organic Argan Oil), Cucurbita Pepo (Organic Pumpkin) Seed Oil, Melaleuca Alternifolia (Tea Tree) Leaf Oil, Salvia Officinalis (Organic Sage) Leaf Water, Rosmarinus Officinalis Leaf (Organic Rosemary) Extract, Menthol (Mint), Eucalyptus Globulus (Eucalyptus) Essential Oil, Citrus Aurantium Dulcis Peel (Orange) Essential Oil, Polyquaternium-67.

  1. Begin by cleansing your hair with Volumizing Biotin & Caffeine Shampoo for Thinning Hair to remove any buildup of dirt & oils on the hair and scalp.
  2. Twice a week, wash hair with Vegan Collagen & Biotin Shampoo for Damaged Hair to further increase volume, strength, and shine.
  3. Moisturize, de-tangle, and strengthen hair further with Vegan Collagen & Biotin Conditioner for Fuller Stronger Hair.

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