Exfoliates and clarifies scalp after one use
The detergent strength of this formula is not recorded.
- Glycolic Acid
- Tetrasodium Glutamate Diacetate
- Citric Acid
Stated by brand
Can’t be confirmed from label.
Biolage
Scalp Sync Purifying & Exfoliating Concentrate
Scalp treatment
- Scalp treatment
- Vegan · label states
- Cruelty-free · label states
Size6.8 fl oz
Price$26–29 Good valuecommonly seen · 6.8 oz
Price / oz$4.13/ozat 6.8 oz
Where to buy5 stores · $22.17–29.00
Scent:
The ingredient list declares fragrance. What it smells of is not stated, and we do not guess.
Manufacturer page: cosmeticloveshop.us
Personal fit
Is this right for you?
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Factor
Your profile
Fit
Best for hair types
All types
Not in your profile
Moisture level
High
Not in your profile
Slip / detangling
Little
Not in your profile
Fragrance
Present
Not in your profile
Silicone / wax buildup
None
Not in your profile
Clarifying wash needed
Low
Not in your profile
Parabens / preservatives
Not determined
Not in your profile
Essential oils
Not determined
Not in your profile
Fast-drying alcohol
High
Not in your profile
Vegan / cruelty-free
Vegan · label statesCruelty-free · label states
Not in your profile
Show all 17 factors we check
The rest of what your plan weighs on this product.
Animal-derived ingredients
Vegan · label states
Not in your profile
Heavy humectants
Heavy
Not in your profile
Hard-water defence
High
Not in your profile
UV filter
None listed
Not in your profile
Ingredient list
21 ingredientsAbout average
Not in your profile
Price tier
Salon
Not in your profile
Where to buy it
Salons · Grocery / mass
Not in your profile
The consultation builds your hair profile, then reads every factor in this table against it — and tells you where this product fits, or what to use instead.
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Your avoid-list
Priced with its peers
$4.13/oz at 6.8 oz — less than 68% of the 152 scalp treatments , which mostly run $3.22–20.64/oz.
Great for
Vegan and cruelty-freeour researched record has it as both
Maybe skip if
this product carries a scent
Very dry or damaged hairit contains fast-drying alcohol
Dry or very humid airwhere heavy humectants work against you
Tight budgetsit sits in the upper price tiers
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.
Slip and detangling
Little
Nothing here is built to reduce combing force.
Oils and butters
None
No oils or butters in the list.
Water-binding (humectants)
High
Humectants near the top — water-binding is a headline mechanism here.
Needs detergent to remove
No
Nothing here needs a detergent wash to remove.
Hard-water defence
Chelators present
Chelators are present — they bind hard-water and pool minerals.
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. These chips name what an ingredient does — they are not safety scores, and no ingredient here is rated good or bad on its own.
| Ingredient | What it does | Why it matters | Chip |
|---|---|---|---|
| WaterAqua / Water / Eau | solvent | The base everything else is dissolved in | Neutral |
| Alcohol Denat. | drying alcohol | Speeds drying — and can read dry on the hair | Drying |
| Butylene Glycol | humectant | Pulls water into the hair | Moisturizes |
| Hydroxyethylpiperazine Ethane Sulfonic Acid | — | — | Neutral |
| Propanediol | humectant | Pulls water into the hair | Moisturizes |
| Glycolic Acid | exfoliant | A little exfoliation | pH balancer |
| Sodium Hydroxide | pH adjuster | Fine-tunes the pH | pH balancer |
| PEG-40 Hydrogenated Castor Oil | solubilizer | Helps dissolve the oils | Stabilizes |
| FragranceParfum / Fragrance | fragrance | The scent | Fragrance |
| Limonene | fragrance | The scent | Fragrance |
What the list leaves out, and what it carriesContains fragrance. Chelators for hard water. Fast-drying alcohol is in the list. Recorded as vegan and cruelty-free.
Full ingredient list (21)
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 ingredientListed in the first three ingredients, it is likely a structural part of this formula.
- solvent
-
2
Alcohol Denat.
General function
Fast-drying alcohol used to make sprays set quickly. In leave-on products it can leave hair feeling dry, especially in high position on the list.
Leading ingredientListed in the first three ingredients, it is likely a structural part of this formula.
PubChemMay suitFine or easily flattened hairEvaporates on contact, which is how a spray sets almost instantly and leaves no weight behind it.
May not suitDry, coarse, or high-porosity hairPorous hair gives water up easily as it is; a fast-evaporating solvent high on the list accelerates that.
May not suitVery dry or highly damaged hairIt evaporates quickly and takes some water with it. On hair already short of moisture, a formula built on a lot of it can finish drier than it started.
- drying alcohol
- solvent
-
3
Butylene Glycol
General function
A light humectant and carrier that helps extracts dissolve.
Leading ingredientListed in the first three ingredients, it is likely a structural part of this formula.
PubChemMay suitFine or easily flattened hairLight and water-binding rather than oily, so it hydrates without contributing weight.
May suitVery dry or highly damaged hairA small water-binding solvent. It holds moisture and helps the rest of the formula spread evenly over the strand.
DependsClimate-sensitive or frizz-prone hairA 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.
- humectant
- solvent
- 4 Hydroxyethylpiperazine Ethane Sulfonic Acid
-
5
Propanediol
General function
A corn-derived humectant and solvent, often chosen as a lighter-feeling alternative to propylene glycol.
Supporting ingredientListed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.
PubChemMay suitFine or easily flattened hairLight and water-binding rather than oily, so it hydrates without contributing weight.
May suitVery dry or highly damaged hairA small water-binding solvent. It holds moisture and helps the rest of the formula spread evenly over the strand.
DependsClimate-sensitive or frizz-prone hairA 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.
- humectant
- solvent
- ▾Below about this point, order stops being meaningful — these are typically used at 1% or less.
-
6
Glycolic Acid
General function
The smallest fruit acid, used in scalp products to loosen flakes and clear build-up.
Estimated lower-concentration zoneIt appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
PubChemDependsFrizz-prone, damaged, or high-friction hairpH 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.
- exfoliant
- pH adjuster
-
7
Sodium Hydroxide
General function
A strong base used in trace amounts to raise pH; fully neutralised in the finished product.
Estimated lower-concentration zoneIt appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
International Journal of TrichologyDependsFrizz-prone, damaged, or high-friction hairThe alkali half of a pH-adjusting pair, used in small amounts to bring a formula up to its target rather than to make it alkaline. Alkaline conditions raise the fibre's surface charge and lift the scales — but the finished pH is not on the label.
- pH adjuster
-
8
PEG-40 Hydrogenated Castor Oil
General function
A castor-oil derivative that dissolves fragrance and oils into water so the product stays clear and does not separate.
Estimated lower-concentration zoneIt appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
- solubilizer
- emulsifier
-
9
Caprylyl Glycol
General function
A gentle preservative helper that also holds a little moisture.
Estimated lower-concentration zoneIt appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
PubChemMay suitVery dry or highly damaged hairHumectants bind water into the strand, and water — not oil — is what makes dry hair flexible instead of brittle.
DependsClimate-sensitive or frizz-prone hairA 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.
- preservative
- humectant
-
10
Potassium Sorbate
- preservative
-
11
Fragrance
· Parfum / 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 zoneIt 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 routinesDeclared fragrance. On a fragrance-sensitive routine this is the line that decides it, wherever it sits on the label.
- fragrance
- declared fragrance
-
12
Tetrasodium Glutamate Diacetate
General function
A biodegradable hard-water chelator used in place of EDTA.
Estimated lower-concentration zoneIt appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
PubChemMay suitBuild-up-sensitive routinesBinds 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 hairCopper 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.
- hard-water chelator
-
13
Saccharomyces/Xylinum/Black Tea Ferment
- botanical extract
-
14
Propylene Glycol
General function
A small humectant and solvent that keeps formulas stable and helps active ingredients spread.
Estimated lower-concentration zoneIt appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
PubChemMay suitFine or easily flattened hairLight and water-binding rather than oily, so it hydrates without contributing weight.
May suitVery dry or highly damaged hairA small water-binding solvent. It holds moisture and helps the rest of the formula spread evenly over the strand.
DependsClimate-sensitive or frizz-prone hairA 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.
- humectant
- solvent
-
15
Limonene
General function
A citrus-smelling fragrance component that EU rules require to be named separately because some people react to it.
Estimated lower-concentration zoneIt appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
PubChemMay not suitFragrance-sensitive routinesOne 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.
- fragrance
- named fragrance allergen
-
16
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.
Estimated lower-concentration zoneIt appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
Scientific ReportsMay suitDry, coarse, or high-porosity hairHigh-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 hairBinds 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 hairWater 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.
- humectant
-
17
Sorbitol
General function
A sugar-based humectant that adds moisture and a slight cushiony feel.
Estimated lower-concentration zoneIt appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
PubChemMay suitDry, coarse, or high-porosity hairHigh-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 hairBinds 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 hairA humectant moves water in whichever direction the air allows: it holds moisture in humid conditions and can pull it back out of hair in very dry ones.
- humectant
-
18
Camellia Sinensis (Green Tea) Leaf Extract
· Camellia Sinensis Leaf Extract
- botanical extract
- antioxidant
-
19
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 zoneIt appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
International Journal of TrichologyMay suitBuild-up-sensitive routinesHolds hard-water minerals in solution so they rinse away instead of depositing on the hair.
May suitFrizz-prone, damaged, or high-friction hairThe 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 hairWhere a warm cast comes from water minerals rather than from the hair itself, holding those metals in solution is what removes it.
- pH adjuster
- hard-water chelator
-
20
Sodium Benzoate
- preservative
-
21
Ascorbic Acid
- antioxidant
- vitamin
What the whole list adds up to
- 6 humectants
- 5 solvents
- 3 pH adjusters
- 3 preservatives
- 2 fragrances
- 2 hard-water chelators
- 2 botanical extracts
- 2 antioxidants
- 1 drying alcohol
- 1 exfoliant
- 1 solubilizer
- 1 emulsifier
- 1 declared fragrance
- 1 named fragrance allergen
Drug facts actives
- undefined
This product is an over-the-counter drug as well as a cosmetic. It treats a cosmetic scalp condition; it does not diagnose or treat disease.
Ingredient list captured 2026-09-16. Formulas change — check the package in your hand when an ingredient matters to you.
Price · 6.8 oz
Commonly seen
$26–29
Good value under
$55
Usually a good value. Most stores sell it under the $55 line, and products that do this job typically go for about $163 at this size.
Show the price ladder
Where we’ve seen it5 listings · 5 stores
-
Glamot.com
$22.176.76 oz · $3.28/ozSep 17Lowest per oz
-
Hair Cosmopolitan
$27.006.76 oz · $3.99/ozSep 17
-
Biolage (cosmeticloveshop.us)
$29.006.8 oz · $4.26/ozSep 16
-
Ulta Beauty
$29.006.8 oz · $4.26/ozSep 17
-
JCPenney
$29.006.8 oz · $4.26/ozSep 17
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
- 6.8 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.
- Commonly seen is the middle half of current prices for the 6.8 oz at recognised stores — the cheapest quarter and the dearest quarter are left out, so one sale or one overpriced listing can’t move it.
- Good value under $55 comes from the 7 products we score as doing the same job as this one. A quarter of them cost less than $8.07/oz; at 6.8 oz that is $55. Under that line you are paying less than most of them.
- About $163 is what those same products typically cost at this size — the midpoint of their prices per ounce, scaled to 6.8 oz.
Formula
3
Formula score
3 of 10
It costs about what other scalp treatments cost per ounce, but the formula leaves out conditioning agents up front, which most of the format carries.
How the score is counted
- 1 products we score as doing the same job cost less per ounce
- Costs less per ounce than 68% of the 152 scalp treatments we’ve priced
- No conditioning agents up front in the formula
- No oils or butters in the working zone either
- Conditioning agents up frontWhat makes wet hair comb through.3 pts
- Oils or butters in the working zoneSoftens the strand rather than just coating it.2 pts
- Slip for detanglingReduces the force it takes to comb wet hair.2 pts
- A humectantBinds water into the hair.1 pt
- A pH adjusterBrings the formula to the acidic pH hair prefers.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.
L'OréalLowest cost per oz
Elvive Hyaluron + Pure Oil Erasing Scalp Serum for Oily Roots and Scalp
$1.91/oz $2.22/oz less
- Budget
- Function
- Also
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
Final decision
Should you buy it?
Only for a specific needBest user
Vegan and cruelty-free shoppers — for a vegan, cruelty-free product
Biggest tradeoff
Less suited to anyone sensitive to fragrance, very dry or high-damage hair, 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.
1
SupportedBacked by ingredients
0
Partly supportedSome supporting logic
3
Stated by brandNo clear evidence
0
Potential conflictFormula works against claim
Removes buildup, excess oil, impurities, and dead skin
The detergent strength of this formula is not recorded.
- Glycolic Acid
- Tetrasodium Glutamate Diacetate
- Citric Acid
Stated by brand
Can’t be confirmed from label.
Suitable for sensitive scalps and color-treated hair
The detergent system is not recorded, so fade risk cannot be read.
- Camellia Sinensis (Green Tea) Leaf Extract
Stated by brand
Can’t be confirmed from label.
Soothes and hydrates scalp for up to 72 hours
Humectants or rich emollients sit in the first eight ingredients.
- Butylene Glycol
- Propanediol
- Caprylyl Glycol
Supported
Helps hair feel hydrated.
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.
several reviewers with dry, itchy or eczema-affected scalps report significant relief after weeks of consistent use
reviewers with chronic dry/itchy scalp conditionsmany reviewers with oily or buildup-prone scalps say it visibly reduces oil and extends time between washes when used weekly
reviewers with oily scalp, often paired with the matching shampoo/conditionerreviewers repeatedly describe the texture as very thin and watery, making it hard to control and easy to overuse or spill
general reviewersa recurring caution among reviewers is the product's sun-sensitivity warning, which several found off-putting or worrying for summer use
reviewers noting the AHA sun-sensitivity labelseveral reviewers who did not see results for dandruff or oiliness still praised the scent and the ritual feel of the pre-wash step
reviewers unconvinced of efficacy but positive on sensory experienceMore from Biolage
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.
- 5 sources consulted for this product (2 manufacturer or regulatory, 0 retailer, 3 editorial), last checked 2026-09-17.
- Ingredient references are linked for 12 of 13 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 2026-09-17.