Thickening Foam
Styler / Volumizer, gum-set
- Styler
- volumizer
- Sulfate-free
- Silicone-free
- Protein-free
- Cruelty-free · PETA-listed
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: rizoscurls.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 22 factors we check.
- A personalized routine built around your schedule, styling habits, and local weather.
- 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.
Show all 22 factors we check
The rest of what your plan weighs on this product.
The consultation builds your hair profile, checks every factor in this table against it, and tells you where this product fits or what to use instead.
Start your consultation$49 once, with 60 days of follow-up questions and plan updates. Nothing renews, and you never have to buy a product.
Your avoid-list
Upper-mid price for a volumizer
$5.95/oz at 4.2 oz, more than 53% of the 143 volumizers , which mostly run $3.31–9.38/oz. The cost less.
Great for
Maybe skip if
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.
Natural gums do the holding, so the hold is softer and re-wets more easily.
Softening ingredients sit alongside the film formers, so a hard shell is unlikely.
Water-first and light: unlikely to flatten fine hair.
No absorbent powders or starches.
Oils are present, but low enough to be a finishing touch.
No fast-drying alcohol in the list.
Nothing here needs a detergent wash to remove.
Fragrance is listed; it sits below the working ingredients.
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.
| Ingredient | What it does | Why it matters | Chip |
|---|---|---|---|
| WaterWater (Aqua/Eau) | solvent | The base everything else is dissolved in | Neutral |
| Glycerin | humectant | Pulls water into the hair | Moisturizes |
| Cocamidopropyl Hydroxysultaine | amphoteric cleanser | — | Cleanses |
| Arginine | amino acid | Small protein fragments that bind water | Protein |
| Serenoa Serrulata Fruit ExtractSerenoa Serrulata (Saw Palmetto) Fruit Extract | botanical extract | A plant extract, there as much for marketing as for function | Neutral |
| Pullulan | film former | Lays down the film that holds a shape | Holds |
| Avena Sativa Kernel ExtractAvena Sativa (Oat Straw) Kernel Extract | botanical extract | A plant extract, there as much for marketing as for function | Neutral |
| Galactoarabinan | film former | Lays down the film that holds a shape | Holds |
| Mentha Piperita (Peppermint) Oil | botanical extract | A trace plant extract | Fragrance |
| Eucalyptus Globulus Leaf Oil | botanical extract | A trace plant extract | Fragrance |
| Menthyl Lactate | fragrance | The scent | Fragrance |
| Limonene | fragrance | The scent | Fragrance |
Full ingredient list (36)
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 ingredientListed in the first three ingredients, it is likely a structural part of this formula.
- solvent
-
2
Glycerin
General function
Glycerin, also called glycerol, attracts moisture and mixes completely with water.
Leading ingredientListed in the first three ingredients, it is likely a structural part of this formula.
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
-
3
Cocamidopropyl Hydroxysultaine
General function
A mild co-cleanser that keeps foam stable in hard water.
Leading ingredientListed in the first three ingredients, it is likely a structural part of this formula.
May suitDry, coarse, or high-porosity hairMild cleansing leaves more surface lubrication in place on hair that dries out quickly.
May suitVery dry or highly damaged hairOne of the mildest detergent classes. It is usually there to let a formula lather without a harsher detergent doing the work.
May not suitBuild-up-sensitive routinesThe mildest detergents are also the least complete: a routine that deposits films needs something stronger periodically.
- amphoteric cleanser
- secondary cleanser
- cleanser
-
4
Arginine
General function
An amino acid that holds water and carries a positive charge, so it is drawn to damaged spots on the strand.
Supporting ingredientListed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.
PubChemMay suitVery dry or highly damaged hairAmino 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 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.
DependsProtein-sensitive hairThe lightest option in the protein family, but still protein — worth watching if protein reliably stiffens your hair.
- amino acid
- humectant
-
5
Serenoa Serrulata Fruit Extract
· Serenoa Serrulata (Saw Palmetto) Fruit Extract
General function
Saw palmetto extract, used at low levels in thinning-positioned products.
Supporting ingredientListed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.
- botanical extract
-
6
Pullulan
General function
A fermented sugar polymer that dries to a thin, flexible film — used for light hold and a temporary tightening feel.
Supporting ingredientListed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.
May suitCurls or waves needing flexible holdA 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 hairA soft film binds neighbouring strands together, which is most of what helps flyaways lie down.
May not suitMaximum-hold stylingGum films stay soft. A style that needs firm fixation usually wants a synthetic polymer doing the holding.
- film former
- gum
-
7
Avena Sativa Kernel Extract
· Avena Sativa (Oat Straw) Kernel Extract
General function
An extract from the kernel of Avena Sativa. Plant extracts are used across a wide range of levels, and label order is the best guide to how much is here.
Supporting ingredientListed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.
- botanical extract
-
8
Galactoarabinan
General function
A larch-derived polysaccharide used for a light film and moisture retention.
Supporting ingredientListed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.
May suitCurls or waves needing flexible holdA 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 hairA soft film binds neighbouring strands together, which is most of what helps flyaways lie down.
May not suitMaximum-hold stylingGum films stay soft. A style that needs firm fixation usually wants a synthetic polymer doing the holding.
- film former
- gum
-
9
Scutellaria Baicalensis Root Extract
- botanical extract
- ▾Below about here, the order stops meaning much. These are usually used at 1% or less.
-
10
Mentha Piperita (Peppermint) Oil
General function
Peppermint essential oil, used for scent and the cooling feeling on the scalp.
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 routinesEssential oils are fragrance. Several carry constituents on the EU list of declared fragrance allergens, so a label with no fragrance line can still be a scented product.
- botanical extract
- essential oil
- fragrance
-
11
Eucalyptus Globulus Leaf Oil
General function
The essential oil of Eucalyptus Globulus. Essential oils are aromatic — they are in the formula for scent, and they are a common source of declared fragrance allergens.
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 routinesEssential oils are fragrance. Several carry constituents on the EU list of declared fragrance allergens, so a label with no fragrance line can still be a scented product.
- botanical extract
- essential oil
- fragrance
- 12 Capsicum Frutescens Fruit Extract
- 13 Agave Tequilana (Blue Agave) Leaf Extract
-
14
Allantoin
General function
A soothing ingredient used in scalp formulas.
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 suitFrizz-prone, damaged, or high-friction hairDeposits a lubricating layer that makes combing easier, which is most of what stops mechanical damage adding to frizz.
- conditioning agent
-
15
Moringa Oleifera Seed Oil
General function
A stable, light oil used for softness and shine.
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 suitDry, coarse, or high-porosity hairCoats the surface and slows water leaving the strand, which is usually what coarse hair that dries out fast is missing.
May suitFrizz-prone, damaged, or high-friction hairA thin oil layer lowers friction between strands and flattens the raised cuticle that scatters light and catches on its neighbours.
- oil
- emollient
-
16
Prunus Amygdalus Dulcis (Sweet Almond) Oil
General function
A medium-weight oil used for softness and slip.
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 suitDry, coarse, or high-porosity hairCoats the surface and slows water leaving the strand, which is usually what coarse hair that dries out fast is missing.
May suitFrizz-prone, damaged, or high-friction hairA thin oil layer lowers friction between strands and flattens the raised cuticle that scatters light and catches on its neighbours.
- oil
- emollient
-
17
Arnica Montana Flower Extract
- botanical extract
-
18
Lactic Acid
General function
An acid used to set pH and, in scalp products, to loosen flakes.
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.
- pH adjuster
- humectant
- exfoliant
-
19
Glycine Soja (Soybean) Germ Extract
- botanical extract
-
20
Triticum Vulgare (Wheat) Germ Extract
- botanical extract
-
21
Gluconolactone
General function
A gentle acid that holds water and helps loosen surface build-up. It also binds a little hard-water mineral.
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 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 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.
- humectant
- exfoliant
- hard-water chelator
-
22
Menthyl Lactate
General function
A gentler cooling agent than menthol, with less scent.
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 routinesDeclared fragrance. On a fragrance-sensitive routine this is the line that decides it, wherever it sits on the label.
- fragrance
- active
-
23
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
-
24
Trisodium Ethylenediamine Disuccinate
General function
A readily biodegradable chelator used in place of EDTA to bind hard-water minerals.
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
- 25 Methyl Acetate
-
26
Cocamidopropyl Dimethylamine
- conditioning agent
-
27
Calcium Gluconate
General function
A mineral salt used in trace amounts to stabilise the formula.
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
- salt
-
28
Propanediol
General function
A corn-derived humectant and solvent, often chosen as a lighter-feeling alternative to propylene glycol.
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 adds less weight than oils or butters do.
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
-
29
Sodium Chloride
- salt
- thickener
-
30
Sodium Lauroyl Methyl Isethionate
General function
A gentle, dense-lathering cleanser used as the primary detergent in many sulfate-free shampoos.
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 suitCurls or waves needing flexible holdThe detergent class most curl routines are built around: it lathers and cleanses without stripping the strand back to bare.
May suitDry, coarse, or high-porosity hairA gentler detergent leaves more of the surface oil that slows water loss from coarse or porous hair.
May suitVery dry or highly damaged hairCleanses with less sebum removal than a sulfate detergent, so hair that is short of moisture keeps more of it through the wash.
- mild anionic cleanser
- cleanser
-
31
Polysorbate 20
- solubilizer
- emulsifier
-
32
Sodium Benzoate
- preservative
-
33
Potassium Sorbate
- preservative
-
34
Tetrasodium EDTA
General function
Binds the metal ions in hard water so they cannot dull hair or destabilise the formula.
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
-
35
Phenoxyethanol
- preservative
-
36
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
What the whole list adds up to
- 8 botanical extracts
- 5 humectants
- 5 hard-water chelators
- 4 fragrances
- 3 preservatives
- 2 solvents
- 2 cleansers
- 2 film formers
- 2 gums
- 2 essential oils
- 2 oils
- 2 emollients
- 2 pH adjusters
- 2 exfoliants
Ingredient list captured 2026-10-07. Formulas change, so check the package in your hand when an ingredient matters to you.
Price · 4.2 oz
Priced above the products that do the same job. Stores sell it above the $9 line; products that do this job typically go for about $16 at this size.
Show the price ladder
Where we’ve seen it5 listings · 3 stores
-
Rizos Curls (brand site)
$25.004.2 oz · $5.95/ozOct 7Lowest per oz
-
Rizos Curls (brand site)
$25.004.2 oz · $5.95/ozOct 7
-
Rizos Curls (brand site)
$25.004.2 oz · $5.95/ozOct 7
-
Ulta Beauty
$25.004.2 oz · $5.95/ozOct 8
-
Rizos Curls
$25.004.2 oz · $5.95/ozOct 8
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
- 4.2 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.
- Seen at $25 is the price we have observed for the 4.2 oz. We need three stores before we call a price commonly seen.
- Good value under $9 comes from the 8 products we score as doing the same job as this one. A quarter of them cost less than $2.12/oz; at 4.2 oz that is $9. Under that line you are paying less than most of them.
- About $16 is what those same products typically cost at this size: the midpoint of their prices per ounce, scaled to 4.2 oz.
Formula
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
- 4 products we score as doing the same job cost less per ounce
- Costs more per ounce than 53% of the 143 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 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.
- Protein-free
- Curly method
- Lightweight
- Function
- Also
- Protein-free
- Curly method
- Lightweight
- Function
- Also
- Protein-free
- Curly method
- Silicone-free
- Function
- Also
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

Final decision
Should you buy it?
A solid pick for the hair it suitsHair that stiffens on protein, for a protein-free formula and a curly-method-compatible formula
Less suited to anyone sensitive to fragrance, very dry or very humid climates, or anyone who wants to pick it up locally
Palmer's Coconut Oil Curl Refresher, for similar results 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.
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.
Some reviewers say the foam feels refreshing and avoids leaving hair flaky or crunchy.
Reviewers across hair typesSeveral reviewers say the foam adds noticeable volume, and some note results build with steady use.
Reviewers across hair typesSome reviewers describe the scent as mild and pleasant rather than overpowering.
Reviewers across hair typesMore from Rizos Curls
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, 1 retailer, 1 editorial), last checked 2026-10-31.
- Ingredient references are linked for 11 of 20 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 2026-10-08.




