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Kenra Professional

Platinum Thickening Glaze Density Building Crème

Styler / Volumizer, polymer-set

  • Styler
  • volumizer
  • cream
  • Sulfate-free
  • Protein-free
  • Moisture-rich
  • Cruelty-free · PETA-listed
Size4 fl oz
Price$25seen at one store · 4 oz
Price / oz$6.25/ozat 4 oz

Scent:

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

Listing used for research: ulta.com

Personal fit

Is this right for you?

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Upper-mid price for a volumizer

$6.25/oz at 4 oz — more than 73% of the 64 volumizers , which mostly run $3–6.80/oz. The cost less.

Price and stores

Great for

Protein-sensitive hairthat stiffens when protein is added
Maximum slipfor hair that tangles the moment it is wet
Dry, thirsty hairhumectants and emollients both sit up front
Curl definitionfilm formers hold a clump together
Very dry hairno fast-drying alcohol in the list
Aerosol avoidancea pump or tube, not a pressurised can

Maybe skip if

this product carries a scent
Curly-method routinesthese silicones need a detergent to remove
Dry or very humid airwhere heavy humectants work against you
Picking it up locallywe have it recorded in one channel only

Whether this hold level is right for you depends on your density, porosity, and how long your style has to last — that is what the consultation works out.

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.

Hold system Synthetic polymer

Synthetic hold polymers — the firmest of the hold systems.

Cast risk Unlikely

Softening ingredients sit alongside the film formers, so a hard shell is unlikely.

Weight on the hair Medium

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

Oil absorption None

No absorbent powders or starches.

Oils and butters None

No oils or butters in the list.

Fast-drying alcohol None

No fast-drying alcohol in the list.

Needs detergent to remove Yes

Water-insoluble silicones or waxes: a detergent wash is what removes them.

Fragrance Prominent

Fragrance sits in the first eight ingredients — a larger share of the formula.

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. These 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
WaterAqua/Water/Eau solvent The base everything else is dissolved in Neutral
Glycerin humectant Pulls water into the hair Moisturizes
Polyquaternium-37 conditioning agent Conditions and softens — this is what makes it comb through Detangles
Propylene Glycol Dicaprylate/Dicaprate light ester Light slip without much weight Softens
Propoxytetramethyl Piperdinyl Dimethicone silicone Smooths the cuticle and adds shine Buildup
Cetrimonium Chloride conditioning agent Conditions and softens — this is what makes it comb through Detangles
Dimethicone PEG-8 Meadowfoamate silicone Smooths the cuticle and adds shine Buildup
FragranceFragrance/Parfum fragrance The scent Fragrance
Amodimethicone silicone A little smoothing and shine Buildup
What the list leaves out, and what it carriesNo sulfates or drying alcohols. Protein-free: this is built for moisture rather than for strengthening. Contains fragrance. The silicones here need a detergent wash to come off.
Full ingredient list (16)

US labelling rules put ingredients above 1% in descending order of amount; below 1% they may be listed in any order. Annotations keep three readings separate: the ingredient's general function, its role in this product type, and what its position can support.

  • 1 Water · Aqua/Water/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 Glycerin
    General function

    A small water-loving molecule that draws moisture into the hair and holds it there. It is the most common softening ingredient in conditioners and leave-ins.

    Leading ingredient

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

    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
  • 3 Polyquaternium-37
    General function

    A thickening polymer that gives creams and curl products their bounce and helps them cling to the strand.

    Leading ingredient

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

    May suitCurls or waves needing flexible hold

    Cationic polymers hold a curl loosely and stay soft, which is why they turn up in definition products rather than firm-hold ones.

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

    A cationic polymer stays on the hair through rinsing, which is what keeps static and combing friction down after the wash.

    May suitMaximum-hold styling

    Film formers are what hold a style: they dry into a connected film across the strands so the shape resists movement.

    • conditioning agent
    • film former
    • polymer
    • thickener
  • 4 Propylene Glycol Dicaprylate/Dicaprate
    General function

    A light, dry-feeling ester that spreads other ingredients and softens without a greasy finish.

    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
  • 5 Propoxytetramethyl Piperdinyl Dimethicone
    General function

    A silicone. Silicones coat the strand for slip, shine and frizz control; unless the name carries PEG or PPG, removing one takes a detergent rather than water.

    Supporting ingredient

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

    • silicone
    • conditioning agent
  • 6 Cetrimonium Chloride
    General function

    A quick-acting conditioning agent that reduces static and combing force. It also helps keep the formula stable.

    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

    The C16 quat binds mostly by charge rather than by chain, so it deposits measurably less than the C22 ones. Less deposit is less conditioning and also less weight, which is usually the trade fine hair wants.

    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.

    DependsBuild-up-sensitive routines

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

    International Journal of Cosmetic Science
    • conditioning agent
    • cleanser
  • 7 Dimethicone PEG-8 Meadowfoamate
    General function

    A silicone modified with meadowfoam oil, used for shine with a lighter feel.

    Supporting ingredient

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

    May suitClimate-sensitive or frizz-prone hair

    A surface film slows how quickly humidity reaches the cortex, which is what limits swelling-driven frizz in damp air.

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

    Lays a smooth film along the cuticle, which lowers combing friction and flattens the surface irregularities that read as frizz.

    May not suitBuild-up-sensitive routines

    Dimethicone does not disperse in water. On a routine that skips detergent it stays on the hair and accumulates wash after wash.

    • silicone
    • emollient
  • Below about this point, order stops being meaningful — these are typically used at 1% or less.
  • 8 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
  • 9 Dehydroacetic Acid
    • preservative
  • 10 Polyimide-1
    General function

    A flexible hold polymer used for touchable styling and humidity resistance.

    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 suitClimate-sensitive or frizz-prone hair

    A set polymer film is a physical barrier to humidity, so a style keeps its shape longer in damp conditions.

    May suitMaximum-hold styling

    Synthetic film formers dry into a continuous film, which is what holds a shape against movement and against humid air.

    DependsBuild-up-sensitive routines

    Some acrylate copolymers rinse with water and some need a detergent; the label alone does not say which one a formula used.

    • film former
    • polymer
  • 11 Trideceth-6
    • emulsifier
    • solubilizer
  • 12 C11-15 Pareth-7 · C11-C15 Pareth-7
    • emulsifier
    • solubilizer
  • 13 Amodimethicone
    General function

    A silicone modified to stick where hair is damaged, so it smooths selectively instead of coating everything. It resists rinsing more than plain dimethicone.

    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 suitClimate-sensitive or frizz-prone hair

    A surface film slows how quickly humidity reaches the cortex, which is what limits swelling-driven frizz in damp air.

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

    Amino-functional silicone carries a positive charge, so it binds where the cuticle is worn rather than coating evenly. Damaged areas get most of it.

    May suitMaximum-hold styling

    Film formers are what hold a style: they dry into a connected film across the strands so the shape resists movement.

    International Journal of Trichology
    • silicone
    • conditioning agent
    • film former
  • 14 PPG-1 Trideceth-6
    • emulsifier
    • solubilizer
  • 15 Benzyl Alcohol
    • preservative
    • solvent
  • 16 Trideceth-12
    • emulsifier
    • solubilizer

What the whole list adds up to

  • 4 emulsifiers
  • 4 solubilizers
  • 3 film formers
  • 3 silicones
  • 2 solvents
  • 2 conditioning agents
  • 2 polymers
  • 2 emollients
  • 2 conditioning agents
  • 2 preservatives
  • 1 humectant
  • 1 thickener
  • 1 light ester
  • 1 cleanser

Ingredient list captured 2026-08-27. Formulas change — check the package in your hand when an ingredient matters to you.

Price · 4 oz

Seen at $25 1 store · checked Aug 27
Good value under $5 Under $1.18/oz it costs less than three-quarters of the 7 products we score as doing the same job

Priced above the products that do the same job. Stores sell it above the $5 line; products that do this job typically go for about $6 at this size.

Show the price ladder
Where we’ve seen it2 listings · 1 store

4 ozmost listedBest per ounce

  • Ulta
    $25.00
    4 oz · $6.25/oz
    Aug 27Lowest per oz
  • Ulta
    $25.00
    Aug 25

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. 4 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. Seen at $25 is the price we have observed for the 4 oz. We need three stores before we call a price commonly seen.
  3. Good value under $5 comes from the 7 products we score as doing the same job as this one. A quarter of them cost less than $1.18/oz; at 4 oz that is $5. Under that line you are paying less than most of them.
  4. About $6 is what those same products typically cost at this size — the midpoint of their prices per ounce, scaled to 4 oz.

Formula

Formula score
9 of 10

The formula carries the systems a volumizer is built around, and it sits in the middle of the range for volumizers per ounce.

How the score is counted
  • 6 products we score as doing the same job cost less per ounce
  • Costs more per ounce than 73% of the 64 volumizers we’ve priced
  • Covers 5 of the 6 things a volumizer should do
  • Reviewers mention 3 things they like about how it performs
  • A hold systemThe polymer, gum, or wax that holds the shape.3 pts
  • Softeners alongside the holdWhat keeps a film flexible instead of brittle.2 pts
  • No drying alcohol in the first threeFast drying without leading on alcohol.2 pts
  • A humectantBinds water into the hair.1 pt
  • A humidity claim with a mechanismThe claim has a film former or silicone behind it.1 pt
  • Fragrance kept out of the top eightScent as a finishing touch, not a major share.1 pt

The formula score is completeness for the job: the share of the systems this product type is normally built around that we can find in this list, weighted. It is not efficacy, not quality, and it never compares across product types.

Does the same job, for less

Same derived functions — what it cleans, conditions, coats or holds — at a lower cost per ounce. Scent, texture and where you buy it can still differ.

DavinesSame function This Is A Curl Building Serum $4.02/oz $2.23/oz less
  • Protein-free
  • Alcohol-free
  • No aerosol
Differs
  • Salon tier
  • 8.4 oz bottle
Compare
AussieLowest cost per oz Miracle Curls 2nd Day Curl Activator $0.62/oz $5.63/oz less
  • Protein-free
  • Humidity
  • Alcohol-free
· Close function
Function
  • Oils and butters
Also
  • Value tier
  • 8.5 oz bottle
Compare
John FriedaClose function Frizz Ease Dream Curls Daily Styling Spray $1.49/oz $4.76/oz less
  • Vegan & CF
  • Budget
Function
  • Slip and detangling
  • Oils and butters
Also
  • Vegan
  • Drugstore tier
  • 6.7 oz bottle
Compare

See more alternatives in the product library

These are functional neighbours, not personal recommendations — they are close on formula, not chosen for anyone. Get 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

Hair that stiffens on protein who want a protein-free formula and real detangling slip

Biggest tradeoff

Worth skipping for anyone sensitive to fragrance, curly-method routines, or very dry or very humid climates

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, against what the formula shows

Claims are quoted from the brand. We only mark one supported, partly supported, or conflicting when the ingredient list actually speaks to it; everything else stays "stated by the brand", which is not a criticism — most claims simply cannot be read off a label.

0
SupportedBacked by ingredients
2
Partly supportedSome supporting logic
1
Stated by brandNo clear evidence
0
Potential conflictFormula works against claim
Creates body & dimension for thicker looking hair

A mid-weight formula: it will not flatten fine hair, but lift is not its main job.

  • Polyquaternium-37
  • Polyimide-1
  • Amodimethicone
Partly supported

Neutral on lift.

Adds dimension to blowouts

This is a marketing claim; an ingredient list cannot speak to it.

Stated by brand

Can’t be confirmed from label.

Lightweight, conditioning crème

A mid-weight formula: light on coarse hair, noticeable on fine hair.

  • Water
  • Propylene Glycol Dicaprylate/Dicaprate
  • Propoxytetramethyl Piperdinyl Dimethicone
Partly supported

Depends how fine your hair is.

How to read this

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

Reviewers

What people report

Recurring themes our researchers wrote in their own words from sourced reviews. We do not store or scrape star ratings.

Favorite leave-in-style product, leaves thin hair bouncy, shiny, and denser-looking

lulugirl88, Montreal QC, 5-star Ulta reviewer

Works well for thin hair and reviewer plans to keep using it

Emily, Charleston SC, 5-star Ulta reviewer

As a senior with thinning hair, tried many thickening products and this one worked

Marie, Long Island NY, 5-star Ulta reviewer

Expected it to thicken her hair but it didn't work for her

Gwen, Kentucky, 2-star Ulta reviewer

A longtime favorite that noticeably changed formula and no longer performs the same, would not recommend the current version

Ulta 'most helpful critical' reviewer, 1-star

More from Kenra Professional

How this page was made

  • Everything above is generated from our researched product record — identity, the ingredient list as printed, the brand's own claims, dated price observations, and review themes written in our researchers' own words. No part of this page is written per 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.
  • 1 source consulted for this product (0 manufacturer or regulatory, 1 retailer, 0 editorial), last checked 2026-08-27.
  • Ingredient references are linked for 3 of 8 product-aware annotations on this page. Fit notes are conditional formulation guidance, not a conclusion about the finished product or about you.
  • We have not tested this product in a lab and we do not physically test your hair. Formula readings come from the ingredient list; behaviour claims are labelled as the brand's.
  • Ingredient order tells you relative amount only above roughly 1%. Prices are observations on the dates shown and change without notice.
  • 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 v22. Record last updated 2026-08-27.