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4U by Tia

Deep Conditioning Repair Mask

Mask / Weekly treatment, lean

  • Mask / treatment
  • multi
  • Sulfate-free
  • Silicone-free
  • Moisture-rich
  • Cruelty-free · label states
Size8 fl oz
Price$10–12 Good valuecommonly seen · 8 oz
Price / oz$1.25/ozat 8 oz

Add it to your products. We’ll tell you if it’s ever recalled.

Scent:

The ingredient list declares fragrance. What it smells of is not stated, and we do not guess.

Manufacturer page: 4ubytia.com

Personal fit

Is this right for you?

Complete the consultation to see how well this product fits your hair and your goals. With 6,000+ products in our library, we can match you to the right ones.

  • About 20 minutes, and your answers save as you go.
  • Every product matched against your hair across the 21 factors we check.
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  • Find products that do the same job at a lower cost.
  • Your goals, scalp, damage history, water, budget, and scent preferences all shape your plan.

$49 with 60 days of follow-up questions and plan updates

$99 with 12 months. Pay once; the year renews only if you choose.

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Lower cost than most masks and treatments

$1.25/oz at 8 oz, less than 86% of the 576 masks and treatments , which mostly run $1.80–5.62/oz.

Price and stores

Great for

Maximum slipfor hair that tangles the moment it is wet
Dry, thirsty hairhumectants and emollients both sit up front
Curly-method routinesno sulfates and no water-insoluble silicones
Silicone-free routinesno silicones appear in the list
Very dry hairno fast-drying alcohol in the list
Planned treatment timeit is made to sit for a long time

Maybe skip if

this product has a scent
Dry or very humid airwhere heavy humectants work against you
Short shower windowsit needs a long time on the hair to work

Whether your hair needs moisture, protein or bond repair right now depends on its damage history and how it behaves wet. The consultation finds out which.

What the formula actually does

Read from the label, not the marketing

Each row says where it comes from: F means we derived it from this product’s own ingredient list, S means it is a claim the brand makes that the formula neither confirms nor contradicts.

Oils and butters None

No oils or butters in the list.

Weight on the hair Medium

Middle of the range: noticeable on fine hair, light on coarse hair.

Protein Minor

Protein appears, low enough to be a supporting ingredient.

Water-binding (humectants) High

Humectants near the top: binding water is one of its main jobs.

Slip and detangling High

Conditioning agents sit high in the list, so this is a detangling formula.

Time on the hair 5–30 min

A long treatment. Plan the time before you start.

Needs detergent to remove No

Nothing here needs a detergent wash to remove.

Fragrance Present

Fragrance is listed; it sits below the working ingredients.

from the formula stated by the brand reported by reviewers Scale: 1 dot low · 5 dots high, within this product type.

Ingredients that matter

The ingredients that change a decision

The workhorse ingredients, plus anything lower down that changes a decision. The chips name what an ingredient does. They are not safety scores, and no ingredient here is rated good or bad on its own.

IngredientWhat it doesWhy it mattersChip
WaterWater/Aqua/Eau solvent The base everything else is dissolved in Neutral
Stearyl Alcohol fatty alcohol Thickens and conditions (not a drying alcohol) Softens
Squalane emollient Softens and smooths the strand Detangles
Glycerin humectant Pulls water into the hair Moisturizes
Cetyl Alcohol fatty alcohol Thickens and conditions (not a drying alcohol) Softens
Triolein light ester Light slip without much weight Softens
C13-15 Alkane emollient Softens and smooths the strand Softens
Brassicamidopropyl Dimethylamine conditioning agent Conditions and softens so hair combs through Detangles
Yeast Amino Acids amino acid A trace of amino acids Protein
FragranceFragrance/Parfum fragrance The scent Fragrance
Linalool fragrance The scent Fragrance
amyl cinnamic aldehyde fragrance The scent Fragrance
What the list leaves out, and what it carriesNo sulfates, silicones, or drying alcohols. Contains fragrance. Chelators for hard water.
Full ingredient list (24)

In the US, ingredients above 1% are listed from most to least. Below 1% they can appear in any order. Each note keeps three things apart: what the ingredient generally does, its role in this type of product, and what its position can tell you.

  • 1 Water · Water/Aqua/Eau
    General function

    The base of almost every rinse-off and cream hair product. It carries everything else and is normally the first ingredient on the label.

    Leading ingredient

    Listed in the first three ingredients, it is likely a structural part of this formula.

    • solvent
  • 2 Stearyl Alcohol
    General function

    A fatty alcohol that thickens conditioners and helps them coat the hair evenly.

    Leading ingredient

    Listed in the first three ingredients, it is likely a structural part of this formula.

    May suitDry, coarse, or high-porosity hair

    The waxy solid that gives a conditioner its body. It deposits a soft lubricating layer, which is most of what makes hair feel smooth after rinsing.

    May suitFrizz-prone, damaged, or high-friction hair

    Deposits with the cationic conditioners and helps them lie flat along the strand, which is where the detangling actually comes from.

    DependsFine or easily flattened hair

    Near the top of a conditioner it is doing most of the conditioning, and most of the weighting, at the same time.

    PubChem
    • fatty alcohol
    • emollient
    • thickener
  • 3 Squalane
    General function

    The fully hydrogenated form of squalene, now made from olive or sugarcane rather than shark liver. Hydrogenation is what makes it so slow to oxidise; it spreads very lightly and absorbs without a greasy film.

    Leading ingredient

    Listed in the first three ingredients, it is likely a structural part of this formula.

    May suitFrizz-prone, damaged, or high-friction hair

    Deposits a lubricating layer that makes combing easier, which is most of what stops mechanical damage adding to frizz.

    PubChem
    • emollient
    • conditioning agent
  • 4 Glycerin
    General function

    Glycerin, also called glycerol, attracts moisture and mixes completely with water.

    Supporting ingredient

    Listed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.

    May suitDry, coarse, or high-porosity hair

    High-porosity hair loses water fast; a humectant holds some of it in place for longer than the wash itself would.

    May suitVery dry or highly damaged hair

    Binds water into the outer layers of the strand, and water is what makes dry hair flexible again rather than brittle.

    DependsClimate-sensitive or frizz-prone hair

    Water moves both ways. Measured across concentrations, glycerin solutions give water up in some conditions and take it from the air in others. What it does for you depends on how much of it is there and on the air around it.

    Scientific Reports
    • humectant
  • 5 Cetyl Alcohol
    General function

    A fatty alcohol used to thicken creams and add slip. It softens rather than dries.

    Supporting ingredient

    Listed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.

    May suitDry, coarse, or high-porosity hair

    The waxy solid that gives a conditioner its body. It deposits a soft lubricating layer, which is most of what makes hair feel smooth after rinsing.

    May suitFrizz-prone, damaged, or high-friction hair

    Deposits with the cationic conditioners and helps them lie flat along the strand, which is where the detangling actually comes from.

    DependsFine or easily flattened hair

    Near the top of a conditioner it is doing most of the conditioning, and most of the weighting, at the same time.

    PubChem
    • fatty alcohol
    • emollient
    • thickener
  • 6 Triolein
    General function

    The main triglyceride in olive oil, used as a rich softening emollient.

    Supporting ingredient

    Listed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.

    May suitFine or easily flattened hair

    A light emollient: it softens the surface with noticeably less weight than an oil or a butter.

    May suitFrizz-prone, damaged, or high-friction hair

    Spreads thin and lowers friction between strands without the heaviness of a fixed oil.

    • light ester
    • emollient
  • 7 C13-15 Alkane
    General function

    A plant-derived light alkane used as a clean-feeling replacement for silicone or mineral oil.

    Supporting ingredient

    Listed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.

    May suitFrizz-prone, damaged, or high-friction hair

    Emollients fill and smooth the surface of the strand, which lowers the friction that lifts the cuticle and reads as roughness.

    • emollient
    • solvent
  • 8 Brassicamidopropyl Dimethylamine
    General function

    A plant-derived conditioning agent that smooths the cuticle and eases combing.

    Supporting ingredient

    Listed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.

    May suitFrizz-prone, damaged, or high-friction hair

    A cationic conditioning agent: it binds to the damaged, negatively charged parts of the cuticle and lowers combing friction there.

    May suitVery dry or highly damaged hair

    The class that does the detangling in a conditioner. It deposits lubrication where the cuticle is worn.

    DependsBuild-up-sensitive routines

    Substantive by design. A routine with no detergent wash gives it nothing to leave with.

    • conditioning agent
  • ▾Below about here, the order stops meaning much. These are usually used at 1% or less.
  • 9 Ethylhexylglycerin
    General function

    A preservative booster that also adds a little softness. Almost always paired with phenoxyethanol.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May suitFrizz-prone, damaged, or high-friction hair

    Emollients fill and smooth the surface of the strand, which lowers the friction that lifts the cuticle and reads as roughness.

    PubChem
    • preservative
    • emollient
  • 10 Tocopherol
    • antioxidant
    • vitamin
  • 11 Aspartic Acid
    General function

    An amino acid used for moisture binding and to help set an acidic pH.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May suitVery dry or highly damaged hair

    Amino acids are the smallest protein fraction and bind water as well, so they add far less stiffness than a hydrolysed protein does.

    DependsFrizz-prone, damaged, or high-friction hair

    pH adjusters are how a formula is brought to a chosen acidity, and an acidic formula keeps the cuticle lying flatter than an alkaline one. Which way this one moves the pH depends on the formula, and the finished pH is not on the label.

    DependsProtein-sensitive hair

    The lightest option in the protein family, but still protein — worth watching if protein reliably stiffens your hair.

    • amino acid
    • pH adjuster
  • 12 Cetearyl Olivate
    • emollient
    • light ester
  • 13 Salvia Hispanica Seed Extract
    • botanical extract
  • 14 Yeast Amino Acids
    General function

    An amino acid of the kind hair protein is built from. Small enough to sit inside the cuticle, and used for water binding rather than strength.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May suitVery dry or highly damaged hair

    Amino acids are the smallest protein fraction and bind water as well, so they add far less stiffness than a hydrolysed protein does.

    DependsClimate-sensitive or frizz-prone hair

    A humectant follows the air: it holds water in humid conditions and can give it up in very dry ones. Climate decides what it does more than the label does.

    DependsProtein-sensitive hair

    The lightest option in the protein family, but still protein — worth watching if protein reliably stiffens your hair.

    • amino acid
    • humectant
    • protein
  • 15 Benzyl Alcohol
    • preservative
    • solvent
  • 16 Sorbitan Olivate
    • emollient
    • emulsifier
    • light ester
  • 17 Panthanol
  • 18 Sodium Gluconate
    General function

    A gentle, biodegradable chelator that binds hard-water minerals in place of EDTA.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May suitBuild-up-sensitive routines

    Binds the calcium and magnesium in hard water, which is what stops mineral deposits accumulating on the strand wash after wash.

    May suitGray, silver, or brass-prone hair

    Copper and iron carried in tap water deposit on the strand and read as a dull, warm cast on gray or light hair. A chelator holds those metals in solution so the wash carries them off.

    PubChem
    • hard-water chelator
  • 19 Fragrance · Fragrance/Parfum
    General function

    An undisclosed blend of scent ingredients. Regulations let it stay unlisted, so a fragrance-free product is the only way to be certain what is not in it.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    Declared fragrance. On a fragrance-sensitive routine this is the line that decides it, wherever it sits on the label.

    • fragrance
    • declared fragrance
  • 20 Linalool
    General function

    A floral fragrance component listed separately as a recognised contact allergen.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    One of the 26 scent components the EU requires to be named individually above a threshold. It is named because it is a known contact allergen, not because it is unusual.

    PubChem
    • fragrance
    • named fragrance allergen
  • 21 amyl cinnamic aldehyde
    • fragrance
  • 22 Benzyl Salicylate
    General function

    A soft floral fragrance component listed separately as a recognised allergen.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    One of the 26 scent components the EU requires to be named individually above a threshold. It is named because it is a known contact allergen, not because it is unusual.

    PubChem
    • fragrance
    • named fragrance allergen
  • 23 Hydroxycitronellal
    General function

    A soft floral fragrance component named separately as a recognised allergen.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    One of the 26 scent components the EU requires to be named individually above a threshold. It is named because it is a known contact allergen, not because it is unusual.

    PubChem
    • fragrance
    • named fragrance allergen
  • 24 Coumarin
    General function

    A sweet, hay-like fragrance component listed separately as a recognised allergen.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    One of the 26 scent components the EU requires to be named individually above a threshold. It is named because it is a known contact allergen, not because it is unusual.

    PubChem
    • fragrance
    • named fragrance allergen

What the whole list adds up to

  • 8 emollients
  • 6 fragrances
  • 4 named fragrance allergens
  • 3 solvents
  • 3 light esters
  • 2 fatty alcohols
  • 2 thickeners
  • 2 humectants
  • 2 preservatives
  • 2 amino acids
  • 1 conditioning agent
  • 1 conditioning agent
  • 1 antioxidant
  • 1 vitamin

Ingredient list captured 2026-08-23. Formulas change, so check the package in your hand when an ingredient matters to you.

Price · 8 oz

Commonly seen $10–12 Midpoint $9.99 · 3 stores · checked Aug 29
Good value under $33 Under $4.15/oz it costs less than three-quarters of the 8 products we score as doing the same job

Usually a good value. Most stores sell it under the $33 line, and products that do this job typically go for about $39 at this size.

Show the price ladder
Where we’ve seen it4 listings · 4 stores
  • Walmart
    $9.97
    8 oz · $1.25/oz
    Aug 29Lowest per oz
  • Target
    $9.99
    8 oz · $1.25/oz
    Aug 29
  • 4U by Tia
    $12.99
    8 oz · $1.62/oz
    Aug 23
  • CVS
    $13.99
    8 oz · $1.75/oz
    Aug 29

Sorted by price per ounce. Dated observations from our research, not live prices. Direct store pages, no affiliate links. We don’t sell this product.

How we work this out
  1. 8 oz is the size stores list most often; every comparison on this page is made at it. Other sizes are shown in the Sizes row and the store list.
  2. Commonly seen is the middle half of current prices for the 8 oz at recognised stores. We leave out the cheapest and most expensive quarters, so one sale or one overpriced listing can’t move it.
  3. Good value under $33 comes from the 8 products we score as doing the same job as this one. A quarter of them cost less than $4.15/oz; at 8 oz that is $33. Under that line you are paying less than most of them.
  4. About $39 is what those same products typically cost at this size: the midpoint of their prices per ounce, scaled to 8 oz.

Formula

Formula score
7 of 10

The formula covers the core of what a treatment does, and it costs less per ounce than most masks and treatments in our library.

How the score is counted
  • 1 products we score as doing the same job cost less per ounce
  • Costs less per ounce than 86% of the 576 masks and treatments we’ve priced
  • No rich emollients in the formula
  • Reviewers mention 2 things they like about how it performs
  • Rich emollientsThe depth a treatment step is built around.3 pts
  • Conditioning agents up frontWhat makes wet hair comb through.2 pts
  • Protein or amino acidsThe strengthening side of a treatment.2 pts
  • A humectantBinds water into the hair.1 pt
  • A stated dwell timeThe brand says how long to leave it on.1 pt
  • Fragrance kept out of the top eightScent as a finishing touch, not a major share.1 pt

The formula score measures completeness for the job: a weighted share of the systems this product type is usually built around that we find in this list. It does not rate how well the product works or its quality, and it never compares across product types.

Does the same job, for less

Formulas that do the same things (cleanse, condition, coat or hold) for less per ounce. Scent, texture and where you buy them can still differ.

Eden BodyWorksLowest cost per oz Lavender Aloe Anti-Breakage Deep Conditioner $0.69/oz $0.56/oz less
  • Protein-free
  • Curly method
  • Silicone-free
· Close function
Function
  • Protein
  • Film formers
Also
  • Floral scent
  • 16 oz bottle
  • Sold online
Compare

See more alternatives in the product library

These products do a similar job. We haven’t matched them to you. Find the one that fits your hair, routine and budget

Suits every hair pattern

Final decision

Should you buy it?

A solid pick for the hair it suits
Best user

People who want maximum slip, looking for real detangling slip and moisture that stays in

Biggest tradeoff

Not ideal for anyone sensitive to fragrance, very dry or very humid climates, or anyone without time for a long treatment

We do not sell products or take placement fees. This page states what the formula and the prices show; the consultation is what matches it to a person.

Claims check

What the brand says, and what the formula shows

Claims are quoted from the brand. We mark a claim supported, partly supported or conflicting only when the ingredient list speaks to it. Everything else stays "stated by the brand". That isn’t a criticism: most claims can’t be checked from a label.

0
SupportedBacked by ingredients
0
Partly supportedSome supporting logic
2
Stated by brandNo clear evidence
0
Potential conflictFormula works against claim
Apply evenly to clean, damp hair and rinse thoroughly.

These are the brand’s directions for use, not a claim about the formula.

—

Stated by brand

How to use it, not a claim.

Leave on 5–10 minutes, or 30 minutes for dry, brittle hair; use weekly.

These are the brand’s directions for use, not a claim about the formula.

—

Stated by brand

How to use it, not a claim.

How to read this

We look at the first 10–15 ingredients and what they do in a formula, not at the marketing. If the list doesn't speak to a claim, we don't assume.

Reviewers

What people report

Themes that come up again and again in sourced reviews, written by our researchers in their own words. We don’t store or scrape star ratings.

Users with fine or thinner hair often say the texture feels light and does not weigh hair down.

Walmart reviewers with fine/thin hair

Reviewers commonly report softer, smoother hair and improved detangling after a five- to ten-minute use.

Walmart reviewers across straight, wavy, and curly hair

Some reviewers with curlier hair find it insufficiently hydrating, while others say too much can leave hair greasy.

Walmart reviewers with curly hair or oil-prone results

How this page was made

  • Everything above comes from our researched product record: identity, the ingredient list as printed, the brand's own claims, dated prices and review themes our researchers wrote in their own words. No part of this page is written by hand for one product.
  • The value band is a fixed label over two stored numbers: this product’s cost per ounce as a percentile of every product of this type we have priced, each at the size it is most often sold in, and how many products we score as doing the same job cost at least a quarter less per ounce.
  • Both scores out of ten are defined on this page. The formula score is completeness for the job, computed from a fixed per-format checklist shown beneath the gauge; the price score is cost per ounce against every product of this type we have priced.
  • The "Is this right for you?" panel reads only your own consultation answers, and it applies exactly the filters our recommendation engine applies. It is computed when you load the page and is never stored on it.
  • 4 sources consulted for this product (3 manufacturer or regulatory, 1 retailer, 0 editorial), last checked 2026-08-25.
  • Ingredient references are linked for 10 of 16 product-aware annotations on this page. Fit notes are general formulation guidance. They aren’t a verdict on the finished product or on you.
  • We haven’t tested this product in a lab, and we don’t physically test your hair. Formula readings come from the ingredient list. Claims about how it behaves are labelled as the brand's.
  • Ingredient order tells you relative amount only above roughly 1%. Prices are what we saw on the dates shown and can change.
  • Ingredient names link to our ingredient library, where each entry shows what it does, which product types use it, and where it usually sits on a label across everything we have researched.
  • This is cosmetic information, not medical advice, and nothing here diagnoses or treats a health condition.
  • Formula readings: derivation v23. Record last updated 2026-08-25.

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