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FOR STRAIGHT, BUILDUP-PRONE HAIR

ONE BAR. OUTLASTS BOTTLES. RINSES CLEAN.

★★★★★ 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
See How It Works
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 BUILDUP-PRONE HAIR

Rice Water Shampoo Bar – 60–80 Washes Per Bar

4.6 (4042 reviews)
$11.19
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Description

If you're tired of buying a new bottle every few weeks and still ending up with flat, heavy hair that feels coated rather than clean, this bar was built for that exact problem. The Viori Hidden Waterfall Shampoo Bar lathers easily, rinses completely clean — no waxy film, no residue on the shower floor — and leaves your scalp feeling genuinely reset, not just temporarily masked. A single bar is designed to outlast multiple bottles of conventional liquid shampoo, which means the cost-per-wash math tends to work firmly in your favor. Hydrolyzed rice protein reinforces the hair strand and Vitamin B8 (Inositol) supports the hair fiber, so the strengthening claim has something behind it you can actually feel as you continue using it. Sulfate-free and pH-balanced, it won't strip color or trade buildup from your old shampoo for a new kind of buildup from the bar itself.

Ingredients

Sodium Cocoyl Isethionate, Behentrimonium Methosulfate, Longsheng Rice Water, Cocoa Butter, Sodium Lactate, Glycerin, Cetyl Alcohol, Jojoba Oil, Shea Butter, Fragrance*, Butylene Glycol (Plant-Based), Stearic Acid, Vitamin B8, Vitamin B5, Rice Bran Oil, Hydrolyzed Rice Protein, Broccoli Seed Oil, Bamboo Extract, Vitamin E, Aloe Vera, Jasmine Flower Extract

*Plant-based and naturally occurring, clean ingredients.

Ingredients Explanations

Sodium Cocoyl Isethionate — derived from coconut oil; a mild, sulfate-free surfactant that produces a rich lather and rinses clean without stripping the scalp. (EWG: 1)
Behentrimonium Methosulfate — plant-derived conditioning agent from rapeseed oil; helps detangle and smooth the hair shaft without leaving a silicone-style coating. (EWG: 1)
Longsheng Rice Water — fermented rice water sourced from Longsheng village; delivers amino acids and minerals to the hair strand during washing.
Cocoa Butter — cold-pressed from cacao beans; adds slip and softness to the lather without contributing to post-wash heaviness. (EWG: 1)
Sodium Lactate — naturally derived from fermented sugars; helps the bar hold its shape and extends bar life, protecting your cost-per-wash value. (EWG: 1)
Glycerin — plant-derived humectant; draws moisture into the hair shaft so strands feel soft, not dry, after rinsing. (EWG: 1)
Cetyl Alcohol — a fatty alcohol from coconut or palm; acts as an emollient and thickener — not a drying alcohol, despite the name. (EWG: 1)
Jojoba Oil — pressed from the jojoba seed; closely mimics the scalp's natural sebum, supporting a balanced scalp environment without clogging. (EWG: 2)
Shea Butter — cold-pressed from the shea tree nut; conditions the mid-length and ends without leaving the heavy, greasy feel that flat hair doesn't need. (EWG: 1)
Fragrance* — plant-based and naturally occurring; warm sweet musk and vanilla with a woody base — not synthetic fragrance.
Butylene Glycol (Plant-Based) — plant-derived solvent and humectant; helps active ingredients distribute evenly through the bar and into the hair. (EWG: 1)
Stearic Acid — derived from plant fats; gives the bar its firm, long-lasting structure so it doesn't dissolve prematurely on a wet shower shelf. (EWG: 1)
Vitamin B8 (Inositol) — a naturally occurring B-vitamin; supports the integrity of the hair fiber and is associated with smoother, more resilient strands.
Vitamin B5 (Panthenol) — provitamin B5 derived from plants; helps support moisture retention in the hair shaft and may reduce brittleness over time. (EWG: 1)
Rice Bran Oil — cold-pressed from the outer layer of rice; rich in fatty acids and antioxidants that help condition the strand without weighing it down. (EWG: 1)
Hydrolyzed Rice Protein — rice protein broken into smaller molecules; reinforces the hair strand and helps reduce the look of damage from heat or buildup over time.
Broccoli Seed Oil — cold-pressed from broccoli seeds; high in erucic acid, which gives hair a natural slip and light-reflecting smoothness without silicone. (EWG: 1)
Bamboo Extract — derived from bamboo plant; a natural source of silica that supports strand strength and adds body to fine or wavy hair.
Vitamin E — plant-derived tocopherol; an antioxidant that helps protect the hair fiber from environmental stressors like hard water and heat. (EWG: 1)
Aloe Vera — cold-pressed from aloe leaves; soothes the scalp and adds lightweight moisture that doesn't compete with your hair's natural movement. (EWG: 1)
Jasmine Flower Extract — extracted from jasmine blossoms; contributes to the bar's plant-based scent profile and provides mild conditioning properties.

How To Use

1. Wet your hair thoroughly with warm water — rinsing with warm water before you lather helps prep the scalp so the bar can work at the root.
2. Rub the bar directly between your palms for a few seconds to build a lather, or glide it gently over your wet scalp two to three times.
3. Work the lather into your scalp with your fingertips using small circular motions — focus on the roots where buildup tends to sit, especially if you're in a hard-water area.
4. Let the lather travel down the length of your hair as you rinse; you don't need to scrub the ends separately.
5. Rinse thoroughly with cool or warm water until the water runs completely clear and your scalp feels clean, not coated — this is how you know there's no residue left behind.
6. After use, stand the bar on its edge or place it on a draining soap dish away from direct water spray so it dries between washes and lasts as long as possible.

REAL RESULTS, REAL CUSTOMERS

What Happens After the First Few Washes

Three women, three different starting points — here is what they noticed once the buildup cleared.

BEFORE AFTER
Debra M. — before Debra M. — after
Debra M.

"My hair always looked flat by day two — I figured that was just my hair. Turns out it was buildup from my old liquid shampoo. By wash four with this bar, my roots actually had lift and my scalp felt genuinely clean, not just coated. I have hard water and I was skeptical, but it rinses completely clear. No film on the shower floor, no residue on my fingers."

BEFORE AFTER
Karen T. — before Karen T. — after
Karen T.

"I went through three other bars before this one. Every single one left a waxy layer I had to clarify off every two weeks. This one does not do that. My waves actually look like waves now instead of weighed-down clumps. I am on my second bar and I have not touched a bottle since March."

BEFORE AFTER
Lisa R. — before Lisa R. — after
Lisa R.

"I did the math before I ordered — one bar for the same price as a bottle that runs out in six weeks made no sense to me until I realized this one lasted me close to three months with daily use. But honestly the cost thing became secondary once I noticed my ends felt less rough and I was seeing less breakage in my comb. It feels stronger when I run a comb through it. That is not something I expected from a bar."

VERIFIED REVIEWS FROM PEOPLE LIKE YOU

CLEAN RINSE. REAL HAIR. NO SURPRISES.

Verified reviews from women with straight and wavy, buildup-prone hair who switched from conventional liquid shampoo.

Tiffany Y.
★★★★★

"I’ve never tried a shampoo bar before but was pleasantly surprised with this! It got my..."

Lianne R.
★★★★★

"My hair is damaged from many years of different processes, I have tried many products t..."

Liza G.
★★★★★

"After losing my hair twice I was terrified to try to grow it back, in fear of living th..."

Kristina H.
★★★★★

"I was very skeptical when I first tried Viori. It sounded inconvenient and time consumi..."

Alicia S.
★★★★★

"I love this product! I bleach my hair and I'm definately losing less hair in the shower..."

Kristina R.
★★★★★

"My first try of a conditioner bar. I was quite nervous, because I have bleached hair, t..."

Emma C.
★★★★★

"I’m on my second scheduled 90 day order. Could wait to receive it! At first I did this ..."

Jessica S.
★★★★★

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

THE PROBLEM

YOUR BOTTLES ARE COSTING YOU.

If your hair feels flat, gunky, or weighed down a day after washing, your current shampoo probably isn't rinsing as clean as it should.

0 1

BUILDUP THAT WON'T QUIT.

Conventional liquid shampoos formulated with silicones coat the hair shaft wash after wash, leaving straight and wavy hair looking dull and flat by day two. Hard water makes it worse — minerals bond with that residue and the buildup compounds.

0 2

BARS THAT LEAVE FILM.

Most drugstore shampoo bars swap one problem for another — they skip the silicones but leave a waxy, filmy coating that takes extra rinse time and sometimes a full clarifying wash to clear. Your scalp never actually feels reset.

0 3

BOTTLES GONE TOO FAST.

Liquid shampoo disappears faster than the label suggests, and the cost-per-wash adds up without you noticing — until you're back at the store buying another bottle three weeks later.

A toning bar that repairs while it tones.

THE ANSWER

One Bar. Clean Results.

The Viori Rice Water Shampoo Bar lathers fully, rinses completely clean, and outlasts multiple bottles of liquid shampoo — no waxy residue, no silicone buildup, no guesswork on cost.

Each bar is built around Longsheng rice water, hydrolyzed rice protein, and Inositol (Vitamin B8) — ingredients that work on the hair shaft to reinforce the strand and help your scalp feel genuinely reset after every wash, not just coated. The sulfate-free, pH-balanced formula lathers easily in hard water and rinses clean without leaving the filmy residue that makes straight and wavy hair go flat between washes. Because each bar is concentrated, the cost-per-wash math works in your favor compared to replacing a liquid bottle every few weeks — one bar goes a long way. The transition from conventional liquid shampoo tends to be short — often just a few washes rather than weeks — because there are no heavy silicones in the formula competing with the cleanse. Many users find their roots feel lighter and their hair looks less weighed down within the first several washes.

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

Backed by the science

WHY IT ACTUALLY WORKS

Three ingredients doing specific, documented work on your hair and scalp — here's the chemistry behind the clean.

  1. Surfactant That Rinses Clean

    The bar is built on Sodium Cocoyl Isethionate, a coconut-derived surfactant that cleans at a neutral pH — meaning it lifts dirt and buildup without stripping the hair shaft or leaving a filmy residue behind. Unlike soap-based bars, isethionate syndet formulas have been shown in peer-reviewed safety assessments to be milder than traditional soap and better tolerated than other anionic surfactants, with negligible effect on the scalp's water-binding capacity. That's why the lather rinses out completely, even in hard water — no waxy feeling at the root, no extra rinse cycle needed.

    CIR Expert Panel — Amended Safety Assessment of Isethionate Salts 2013
  2. Rice Water Reinforces the Strand

    Longsheng rice water carries amino acids, B vitamins, and inositol (Vitamin B8) — compounds associated with strengthening the hair strand and supporting moisture retention along the fiber. Hydrolyzed Rice Protein works alongside it to help reinforce the strand's structure, which is why hair that's been weighed down by conventional silicone-formula shampoos can feel lighter and less flat as buildup clears over time. Rice Bran Oil has also been studied for its antioxidant properties and its potential role in supporting a cleaner scalp environment between washes.

    Ruksiriwanich et al. 2023 — Rice bran bioactives (primary citation available at Viori references page)
  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.

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How long does the bar last?
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How do I store my products?
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Why Longsheng Rice Water Protein?
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Why are bars better?
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How to use a shampoo bar?
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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 tier that matches how serious you are about ditching the bottle.

Purple Shampoo Bar with Biotin – Blonde & Gray | VIORI

The Single Bar

Try it first — one bar outlasts a stack of bottles, no commitment.

  • One bar outlasts multiple liquid bottles — lower cost-per-wash than the bottle routine
  • Rinses clean with no waxy residue or scalp buildup
  • Inositol and hydrolyzed rice protein support strand strength
  • Works in hard water without leaving a filmy coat
  • Sulfate-free, paraben-free, plastic-free
Most popular
Purple Shampoo Bar with Biotin – Blonde & Gray | VIORI
Purple Conditioner Bar with Biotin – Blonde & Gray | VIORI

The Shampoo + Conditioner Duo

Pair the bar with a matching conditioner for a complete, buildup-free wash routine.

  • Shampoo bar helps clear the scalp of buildup over time; conditioner seals without silicone weight
  • Both rinse clean — scalp feels reset, ends feel smooth
  • Lower cost-per-wash than buying each separately
  • Straight and wavy hair gets body without the flat, heavy look
  • One purchase covers months of washes
Purple Shampoo Bar with Biotin – Blonde & Gray | VIORI
Purple Conditioner Bar with Biotin – Blonde & Gray | VIORI
Bamboo Shampoo Bar Holder – Eco-Friendly | VIORI

The Full System

Shampoo, conditioner, and a scalp treatment — everything your routine needs, nothing it doesn't.

  • Three-step system targets buildup, strand strength, and scalp comfort
  • Strongest cost-per-wash value across the full lineup when used as a system
  • Cocoa butter, shea butter, and rice bran oil work together across steps
  • Fragrance is plant-based — no synthetic scent layering between products

FAQ

GOOD TO KNOW BEFORE YOU BUY.