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BioSilk

Silk Therapy Glazing Gel

Styler / Gel, light-hold

  • Styler
  • gel
  • Sulfate-free
  • Curly-method
Size7 oz
Price$17–24commonly seen · 7 oz
Price / oz$2.86/ozat 7 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: chi.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.

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Upper-mid price for a gel

$2.86/oz at 7 oz, more than 59% of the 267 gels , which mostly run $1.13–3.78/oz. The cost less.

Price and stores

Great for

Protein-hungry hairthat stretches and stays stretched when wet
Maximum slipfor hair that tangles the moment it is wet
Curly-method routinesno sulfates and no water-insoluble silicones
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 has a scent
Protein-sensitive hairthat goes stiff or straw-like on protein
Anyone who dislikes a castthe film formers here can set firm
Styles that must holdthe brand states a light hold at most
Silicone-free routinesit does contain silicones, the water-soluble kind
Picking it up locallywe’ve only seen it sold in one channel

Whether this hold suits you depends on your density, porosity and how long your style needs to last. The consultation works that 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 (as stated) Light

A light hold, as stated by the brand.

Hold system Mixed

Gums and synthetic polymers together.

Cast risk Likely

Film formers with little to soften them, so expect a cast to scrunch out.

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 Rinses with water

The silicones here are the water-soluble kind.

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
Water solvent The base everything else is dissolved in Neutral
VP/VA Copolymer film former Lays down the film that holds a shape Holds
Hydroxyethylcellulose gum The hold system: natural gums, softer than a synthetic polymer Holds
Polyquaternium-11 film former Lays down the film that holds a shape Detangles
Quaternium-26 conditioning agent Conditions and softens so hair combs through Detangles
Hydrolyzed Silk film former Lays down the film that holds a shape Protein
Peg/Ppg-18/18 Dimethicone emulsifier Keeps oil and water mixed Shine
Citric Acid pH adjuster Fine-tunes the pH pH balancer
Fragrance fragrance The scent Fragrance
Linalool fragrance The scent Fragrance
Butylphenyl Methylpropional fragrance The scent Fragrance
What the list leaves out, and what it carriesThe list carries no sulfates or drying alcohols. Protein sits high: this is a strengthening step rather than a moisture one. Fragrance is on the label.
Full ingredient list (17)

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
    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 VP/VA Copolymer
    General function

    A hold polymer that dries to a clear film. It sets the style and washes out with water.

    Leading ingredient

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

    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
  • 3 Hydroxyethylcellulose
    General function

    A cellulose thickener that gives gels and conditioners their body and adds a soft, flexible film.

    Leading ingredient

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

    May suitCurls or waves needing flexible hold

    A polysaccharide film stays softer than a synthetic one as it dries, which is what leaves a curl defined but still able to move.

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

    A soft film binds neighbouring strands together, which is most of what helps flyaways lie down.

    May not suitMaximum-hold styling

    Gum films stay soft. A style that needs firm fixation usually wants a synthetic polymer doing the holding.

    PubChem
    • gum
    • thickener
    • film former
  • 4 Polyquaternium-11
    General function

    A styling and conditioning polymer that adds light hold and shine, common in mousses and setting sprays.

    Supporting ingredient

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

    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.

    • film former
    • polymer
    • conditioning agent
  • 5 Quaternium-26
    • conditioning agent
    • conditioning agent
  • 6 Hydrolyzed Silk
    General function

    A light protein used for slip and shine rather than strength.

    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

    Filling surface gaps evens out the cuticle, which is part of what makes damaged hair comb and reflect light more like undamaged hair.

    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.

    May suitVery dry or highly damaged hair

    Hydrolysed fragments are small enough to sit in the gaps of a worn cuticle for a wash or two, temporarily restoring stiffness and cutting breakage in combing.

    • film former
    • protein
    • hydrolysed protein
  • 7 Peg/Ppg-18/18 Dimethicone
    General function

    An ethoxylated or propoxylated formulation aid. Ingredients of this family keep oils, silicones and fragrance evenly dispersed in a water-based product.

    Supporting ingredient

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

    May suitBuild-up-sensitive routines

    The PEG- and PPG-modified silicones disperse in water, so ordinary washing carries them off instead of leaving a film to accumulate.

    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

    Delivers the slip and surface smoothing of a silicone without needing a detergent wash to remove it afterwards.

    • emulsifier
    • silicone
    • water-soluble silicone
  • ▾Below about here, the order stops meaning much. These are usually used at 1% or less.
  • 8 Citric Acid
    General function

    Used to bring the product to a slightly acidic pH, which helps the cuticle lie flat. It is almost always near the end of the list.

    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

    Holds hard-water minerals in solution so they rinse away instead of depositing on the hair.

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

    The acid side of pH adjustment, and the reason it matters is measured: alkaline formulas raise the fibre's surface negative charge, increase friction between strands and lift the scales, while lower-pH ones do the reverse.

    May suitGray, silver, or brass-prone hair

    Where a warm cast comes from water minerals rather than from the hair itself, holding those metals in solution is what removes it.

    International Journal of Trichology
    • pH adjuster
    • hard-water chelator
  • 9 Triethanolamine
    General function

    A base used in trace amounts to neutralise acidic polymers so a gel thickens.

    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.

    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.

    PubChem
    • pH adjuster
  • 10 Phenoxyethanol
    • preservative
  • 11 Methylisothiazolinone
    • isothiazolinone
    • preservative
  • 12 Fragrance
    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
  • 13 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
  • 14 Alhpa-Isomethyl Ionone
  • 15 Butylphenyl Methylpropional
    General function

    A floral fragrance component (lilial) named separately as a recognised allergen; increasingly reformulated out.

    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
  • 16 Red 33
    General function

    A certified colour used to tint the product. It does not colour hair.

    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 suitGray, silver, or brass-prone hair

    A violet or blue colorant sits opposite yellow on the colour wheel, so a trace of it deposited on the surface makes a warm cast read cooler. It washes out over the following few washes.

    • colourant
  • 17 Blue 1
    • colourant
    • direct dye
    • blue dye

What the whole list adds up to

  • 4 film formers
  • 3 fragrances
  • 2 polymers
  • 2 conditioning agents
  • 2 pH adjusters
  • 2 preservatives
  • 2 named fragrance allergens
  • 2 colourants
  • 1 solvent
  • 1 gum
  • 1 thickener
  • 1 conditioning agent
  • 1 protein
  • 1 hydrolysed protein

Ingredient list captured 2026-10-17. Formulas change, so check the package in your hand when an ingredient matters to you.

Price · 7 oz

Commonly seen $17–24 Midpoint $20 · 3 stores · checked Oct 17
Good value under $13 Under $1.82/oz it costs less than three-quarters of the 8 products we score as doing the same job

Priced above the products that do the same job. Stores sell it above the $13 line; products that do this job typically go for about $20 at this size.

Show the price ladder
Where we’ve seen it4 listings · 4 stores

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. 7 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 7 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 $13 comes from the 8 products we score as doing the same job as this one. A quarter of them cost less than $1.82/oz; at 7 oz that is $13. Under that line you are paying less than most of them.
  4. About $20 is what those same products typically cost at this size: the midpoint of their prices per ounce, scaled to 7 oz.

Formula

Formula score
7 of 10

Nothing separates this from the middle of the range for gels, on formula or on cost per ounce.

How the score is counted
  • Costs more per ounce than 59% of the 267 gels we’ve priced
  • No softeners alongside the hold in the formula
  • Masstige tier, sold at Brand website
  • Masstige tier
  • 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 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

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.

Sexy HairFragrance-free Big Sexy Hair Big Altitude Bodifying Blow Dry Mousse $3.04/oz $0.18/oz more
  • Fragrance-free
  • Unscented
  • Protein
· Close function
Function
  • Film formers
  • Oil absorption
Also
  • Unscented
  • Cruelty-free
  • 6.8 oz bottle
Compare
Curl JunkieLowest cost per oz Curls In A Bottle! Hair Styling Solution $2.17/oz $0.69/oz less · Close function
Function
  • Slip and detangling
  • Water-binding (humectants)
Also
  • Citrus scent
  • 12 oz bottle
Compare
OuidadSilicone-free Advanced Climate Control Heat and Humidity Gel - 8.5 oz $3.06/oz $0.20/oz more
  • Protein
  • Curly method
  • Silicone-free
· Related function
Function
  • Silicone type
  • Water-binding (humectants)
  • Needs detergent to remove
Also
  • Cruelty-free
  • Salon tier
  • 8.5 oz bottle
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

Built for wavy to coily hair

Final decision

Should you buy it?

Good for the right person
Best user

Soft, over-stretchy hair, for protein high in the formula and real detangling slip

Biggest tradeoff

Less suited to anyone sensitive to fragrance, hair that stiffens on protein, or anyone who will not scrunch out a cast

Best alternative if not

Nothing in our library matches it closely at a lower price.

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
1
Partly supportedSome supporting logic
0
Stated by brandNo clear evidence
0
Potential conflictFormula works against claim
Light-hold sculpting gel delivering body and shine without stickiness; suitable for roller settings, blow drying, and wet looks

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

  • VP/VA Copolymer
  • Hydroxyethylcellulose
  • Polyquaternium-11
Partly supported

Neutral on lift.

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.

More from BioSilk

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.
  • 2 sources consulted for this product (0 manufacturer or regulatory, 0 retailer, 2 editorial), last checked 2026-10-17.
  • Ingredient references are linked for 5 of 11 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 2026-10-17.

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