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FOR OILY, DANDRUFF-PRONE SCALPS

SCALP RESET. TRAIL-READY LATHER. ZERO LEAK.

★★★★★ 4.7/5 | 134,430  reviews

  • Cooler tone by wash 3 yellow and brassy tones visibly reduced
  • No sulfate dryness cleanses without stripping moisture from bleached hair
  • Biotin-supported thickness each wash supports fuller-feeling strands
  • Ends feel less brittle rice water amino acids repair dry, damaged fibers
  • Scalp stays calm pH-balanced formula does not aggravate a dry scalp
Get Trail-Ready
Curated by Sephora editors 100+ washes per bar 87% saw less breakage 92% felt softer hair after 1 wash 1.4× more visible shine in 2 weeks
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BUILT FOR THE TRAIL

Tea Tree Mint Shampoo Bar – Oily & Itchy Scalp

4.6 (4042 reviews)
$11.19
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Description

Built for scalps that earn their grime — Tea Tree Mint is a solid shampoo bar formulated for oily, itchy, or flaky scalps that need a real reset after days under a hat or helmet. Tea tree oil helps manage the flaking and itch associated with scalp buildup and microbial imbalance, while peppermint oil hits on contact with an immediate cooling sensation that cuts through post-summit sweat and heat buildup. Longsheng rice water — a fermented treatment used by the Red Yao women of southern China — strengthens hair fibers while the sulfate-free formula deep-cleans without triggering the grease-rebound cycle that comes from over-stripping. Zero plastic, zero leak risk, and it fits in a hip-belt pocket: this is the bar that replaces the liquid bottle you'd otherwise have to pack out.

Ingredients

Sodium Cocoyl Isethionate, Behentrimonium Methosulfate, Longsheng Rice Water, Cocoa Butter, Sodium Lactate, Glycerin, Cetyl Alcohol, Peppermint Leaf Oil, Shea Butter, Butylene Glycol (Plant-Based), Stearic Acid, Tea Tree Leaf Oil, Rosemary Leaf Oil, Vitamin B8, Vitamin B5, Rice Bran Oil, Hydrolyzed Rice Protein, Broccoli Seed Oil, Bamboo Extract, Vitamin E, Aloe Vera

Ingredients Explanations

Sodium Cocoyl Isethionate — derived from coconut fatty acids; a mild synthetic surfactant that produces a rich, trail-ready lather without the soap scum that cold-process bars leave behind in hard water. (EWG: 1)
Behentrimonium Methosulfate — plant-derived from rapeseed oil; conditions and detangles without the heavy, waxy residue that makes straight or wavy hair look greasy by mile ten. (EWG: 1)
Longsheng Rice Water — fermented rice water sourced from Longsheng, China; delivers amino acids and inositol that support hair fiber strength and elasticity.
Cocoa Butter — pressed from cacao seeds; provides a lightweight emollient barrier that protects hair without weighing it down. (EWG: 1)
Sodium Lactate — salt of lactic acid, typically corn-derived; helps the bar hold its shape in heat and humidity — relevant when your pack sits in direct sun all day. (EWG: 1)
Glycerin — plant-derived humectant; draws moisture to the hair shaft so hair doesn't feel stripped after a hard-water rinse. (EWG: 1)
Cetyl Alcohol — fatty alcohol derived from coconut or palm; a conditioning agent that smooths the cuticle — not a drying alcohol. (EWG: 1)
Peppermint Leaf Oil — steam-distilled from peppermint plant; delivers the sharp, cold-mint hit that invigorates the scalp and helps soothe itch on contact. (EWG: 1)
Shea Butter — cold-pressed from the shea tree nut; adds slip and softness without the heavy residue of silicone-based conditioners. (EWG: 1)
Butylene Glycol (Plant-Based) — plant-derived solvent and humectant; helps active ingredients distribute evenly across the scalp. (EWG: 1)
Stearic Acid — fatty acid from plant oils; gives the bar its firm, pack-friendly structure and contributes to a stable lather. (EWG: 1)
Tea Tree Leaf Oil — steam-distilled from Melaleuca alternifolia leaves; a recognized antimicrobial ingredient that helps manage the flaking and itch associated with scalp buildup and microbial imbalance. (EWG: 1)
Rosemary Leaf Oil — distilled from rosemary herb; supports scalp circulation and adds a clean, herbal note that complements the mint-and-tea-tree scent profile. (EWG: 1)
Vitamin B8 (Inositol) — naturally present in rice water; helps reinforce the hair's structural integrity from root to tip.
Vitamin B5 (Panthenol) — provitamin derived from plants; may help add moisture retention and reduce breakage from repeated hat-on, hat-off friction. (EWG: 1)
Rice Bran Oil — cold-pressed from the outer layer of rice; rich in fatty acids and antioxidants that condition the scalp without clogging follicles. (EWG: 1)
Hydrolyzed Rice Protein — rice protein broken into smaller chains for better absorption; helps condition hair against surface damage from UV exposure and mechanical abrasion on the trail. (EWG: 1)
Broccoli Seed Oil — cold-pressed from broccoli seeds; provides a silicone-like smoothing effect on the cuticle — without the plastic-derived ingredient. (EWG: 1)
Bamboo Extract — derived from bamboo plant; a source of silica that adds light texture and volume so hair doesn't go flat under a helmet. (EWG: 1)
Vitamin E (Tocopherol) — plant-derived antioxidant; protects hair lipids from oxidative stress caused by sun and wind exposure. (EWG: 1)
Aloe Vera — gel from aloe leaves; calms scalp irritation and adds a layer of lightweight hydration that supports a balanced scalp environment. (EWG: 1)

How To Use

1. Wet your hair and scalp thoroughly — even a trickle from a backcountry spigot or camp shower works.
2. Rub the bar directly between your palms or across your scalp for 5–10 seconds to build a trail-ready lather.
3. Work the lather into your scalp with your fingertips using short, firm circles — focus on areas under your hat line where sweat and oil accumulate most.
4. Let the lather sit for 30–60 seconds if your scalp itch is running high; the tea tree and peppermint need a moment of contact to do their job.
5. Rinse thoroughly until water runs clear — full rinse is especially important in hard water to prevent any mineral buildup.
6. Shake off excess water, let the bar dry before stowing it, and pack it out — no bottle, no waste.

FROM THE TRAIL, UNFILTERED

Scalp Reset. Every Summit.

From itchy and weighed-down to trail-ready clean — one bar, zero leaks, zero excuses.

BEFORE AFTER
Derek — before Derek — after
Derek

"Three days into a thru-hike and my scalp was burning under my hat. Used this at a backcountry spigot with hard water and it actually lathered. Woke up the next morning and the itch had settled way down — first time that's happened mid-trip."

BEFORE AFTER
Marcus — before Marcus — after
Marcus

"I used to get that greasy rebound by mile eight no matter what I washed with. This bar keeps things noticeably cleaner through a long day on the ridge, and the flaking is way more manageable. Doesn't smell like a pharmacy either."

BEFORE AFTER
Tyler — before Tyler — after
Tyler

"Packed out my last plastic shampoo bottle on principle and never went back. This fits in my hip-belt pocket, weighs nothing, and that cold mint hit after a long climb does exactly what it needs to do."

VERIFIED REVIEWS FROM HIKERS AND CAMPERS

WHAT HAPPENS AFTER THE SUMMIT.

Verified reviews from people with oily, dandruff-prone scalps who wash on the trail.

Tiffany Y.
★★★★★

"ive been using viori for the past 3 years and my hair feels so healthy, i cannot go bac..."

Lianne R.
★★★★★

"Love, love love this shampoo and conditioner. My hair was so damaged from all the chemi..."

Liza G.
★★★★★

"My hair is dry and dyed all the time. Until I get scalp scabs and dandruff. Very embarr..."

Kristina H.
★★★★★

"I love everything about this product! the smells are amazing the smoothness of the soap..."

Alicia S.
★★★★★

"The fragrance has a sweet floral smell. It smells lovely but I wish there was also an u..."

Kristina R.
★★★★★

"I am 53 and my hair was dry and brittle and l was using the purple shampoo and conditio..."

Emma C.
★★★★★

"Viori shampoo and cream rinse bars are hair life changing! The lather is thick and won..."

Jessica S.
★★★★★

"Before Viori my hair was falling out by the handfuls. It was so thin and just overall l..."

THE PROBLEM

YOUR CURRENT KIT IS WORKING AGAINST YOU.

Liquid bottles leak, soap bars fail in hard water, and your scalp keeps itching — your trail wash routine has a gear problem.

0 1

LEAKS, WEIGHT, PLASTIC.

Liquid shampoo adds ounces you didn't budget for and spills into everything you packed carefully. Then you have to carry the empty bottle back out.

0 2

HARD WATER KILLS THE CLEAN.

Cold-process soap bars react with backcountry hard water and leave a mineral film on your scalp and hair — so you finish a wash feeling heavier than when you started.

0 3

THE ITCH KEEPS BUILDING.

Sweat, heat, and days under a hat can push your scalp's oil production into overdrive. Many shampoos either strip too hard — triggering a grease rebound before you hit the next ridge — or don't cut through the buildup at all.

A toning bar that repairs while it tones.

THE ANSWER

One Bar. Scalp Reset.

The Tea Tree Mint Shampoo Bar is built for the way you actually wash — fast, packable, and hard on buildup.

Peppermint oil hits the scalp with an immediate cooling sensation the second lather touches skin — the kind of sharp, cold-mint relief that earns it after a ridge-line push. Tea tree leaf oil is a plant-derived active that helps soothe the scalp and manage the flaking and itch that accumulate under a hat over three hard days on trail. Longsheng rice water and hydrolyzed rice protein strengthen hair fibers while the surfactant blend — built on Sodium Cocoyl Isethionate — rinses clean in hard water without leaving the waxy residue that cold-process bars deposit on straight and wavy hair. The bar format means zero leaking, zero plastic to pack out, and a wash routine that fits in a hip-belt pocket and takes thirty seconds. Oiliness and flaking are a normal physiological response to sweat and heat; this bar gives your scalp the environment it needs to stop overcompensating.

See the full system
Why it works on bleached, brassy hair

Backed by the science

WHY IT WORKS

Three ingredients, three mechanisms — each one pulling its weight on the trail.

  1. Tea Tree Targets the Source

    Scalp flaking and itch aren't random — they're often driven by Malassezia (Pityrosporum ovale), a yeast that thrives in sweat and sebum. Tea tree oil's antifungal compounds work directly against that yeast, helping manage flaking and soothe irritation at the root cause. In a randomized controlled trial, a 5% tea tree oil shampoo produced a 41% improvement in dandruff severity versus 11% for placebo — that's the gap between a scalp reset and just getting by.

    Satchell et al. 2002
  2. Mint Hits the Reset Button

    That sharp, cold-mint hit you feel on a sweat-soaked scalp isn't just sensation — it's menthol triggering vasodilation, increasing blood flow to the skin's surface and invigorating the scalp environment. The cooling effect cuts through post-climb heat and sweat buildup, leaving your scalp feeling genuinely cleared out, not just rinsed off.

    Microvascular Research menthol vasodilation study, cited in Medical News Today 2017
  3. Sulfate-free cleansing preserves moisture in porous hair

    Bleached hair is highly porous — it absorbs and loses moisture faster than untreated hair. Sulfate-free cleansers remove buildup and oil without disrupting the lipid layer that keeps moisture locked inside the shaft.

    Journal of Cosmetic Dermatology — sulfate-free formulations and hair moisture
SEE ALL REFERENCES →

Our Story

THE STORY BEHIND THE BAR

From the rice terraces of Longsheng to your shower — the most powerful, clean haircare you have ever used.

How To Use Videos

WHAT MAKES VIORI DIFFERENT

Everything you want to know — answered in 30 seconds or less.

How long does the bar last?
How long does the bar last?
How do I store my products?
How do I store my products?
Why Longsheng Rice Water Protein?
Why Longsheng Rice Water Protein?
Why are bars better?
Why are bars better?
How to use a shampoo bar?
How to use a shampoo bar?
How to use a conditioner bar?
How to use a conditioner bar?
How to Use a Bamboo Bar Holder
How to Use a Bamboo Bar Holder

Build Your Bundle

BAR, DUO, OR THE FULL SYSTEM.

Pick the setup that matches your trip length — one bar for a weekend push, the full kit for everything else.

Purple Shampoo Bar with Biotin – Blonde & Gray | VIORI

The Bar

One pocket-sized bar that handles sweat, oil, and trail grime.

  • Tea tree and peppermint hit the scalp with immediate cooling relief
  • Plant-derived cleansers cut through sunscreen, sweat, and buildup
  • Plastic-free bar format — nothing to leak, nothing to pack out
  • Lathers and rinses clean even in hard backcountry water
Trail-tested duo
Purple Shampoo Bar with Biotin – Blonde & Gray | VIORI
Purple Conditioner Bar with Biotin – Blonde & Gray | VIORI

The Trail Duo

Shampoo bar plus a companion conditioner bar — scalp reset and strand support in one kit.

  • Tea Tree bar manages oily scalp and helps keep flaking in check
  • Conditioner bar hydrates strands without waxy scalp residue
  • Both bars pack small and light — easy to slot into a hip-belt pocket
  • Zero-leak, zero-plastic format for multi-day carries
  • Formulated with Longsheng rice water to strengthen hair fibers
Purple Shampoo Bar with Biotin – Blonde & Gray | VIORI
Purple Conditioner Bar with Biotin – Blonde & Gray | VIORI
Jabonera de Bambú

The Full System

Three-piece wash routine built for back-to-back trip days and a scalp that stays balanced mile after mile.

  • Shampoo bar, conditioner bar, and scalp treatment in one compact kit
  • Supports a balanced scalp environment across extended time on trail
  • Rice water, tea tree, and peppermint work together across every step
  • Enough bar for a long haul — built to outlast a full trip without a resupply
  • All plastic-free bar formats — one less thing to pack out

FAQ

GOOD TO KNOW BEFORE YOU BUY.