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Side by side

Drybar Seltzer Spritz Flexible Hold Hairspray - 9.0 oz vs Drybar Southern Belle Volume-Boosting Mousse

41% function match · 4 of the 13 functions we compared match Formula overlap 0%. Drybar Seltzer Spritz Flexible Hold Hairspray - 9.0 oz and Drybar Southern Belle Volume-Boosting Mousse share no ingredient among each other's most prominent — which does not stop them doing the same job.

Based on your consultation

Which of these fits your hair?

We check your pattern, moisture need, scalp, fragrance tolerance, weight sensitivity and more against each formula — and say which one lines up.

Your profile at a glance

  • Your answers appear here
  • Your answers appear here
  • Your answers appear here
  • Your answers appear here

When each one is the right call

What each formula is built for, from its own ingredient list.

  • Seltzer Spritz Flexible Hold Hairspray - 9.0 oz — protein-sensitive hair
  • Southern Belle Volume-Boosting Mousse — protein-hungry hair

Side by side

Every trait, aligned

One row per trait, read from each product’s own ingredient list and record. A dash means we have not researched that field for that product — it is not a “no”.

Trait
Drybar Seltzer Spritz Flexible Hold Hairspray - 9.0 oz — 9 oz container Drybar

Seltzer Spritz Flexible Hold Hairspray - 9.0 oz

  • Styler
  • Salon
  • Sulfate-free
  • Silicone-free
Drybar

Southern Belle Volume-Boosting Mousse

  • Styler
  • Salon
  • Sulfate-free
  • Lightweight
Price, size & price per ounce
$20.78 9 oz · $2.31/oz
$31 6.5 oz · $4.77/oz
Value / price positioning
Priced with its peers $$$$$ Salon tier · costs less than 64% of the 97 hairsprays we’ve priced
Same job for less elsewhere $$$$$ Salon tier · costs more than 83% of the 138 mousses we’ve priced
Best for hair types
Straight–Wavy A light volumising formula — the lift it adds matters most on straighter hair. Your hair
All types Nothing in the formula or the claims narrows this to one pattern. Your hair
Moisture level Differs
Low Humectants appear, but low enough to be a minor part. Your hair
Moderate Humectants in the working part of the formula. Your hair
Hold system Same
High Synthetic hold polymers — the firmest of the hold systems. Your hair
High Synthetic hold polymers — the firmest of the hold systems. Your hair
Slip / detangling Differs
Little Nothing here is built to reduce combing force. Your hair
Moderate Conditioning agents are present, lower in the list. Your hair
Weight on hair Same
Light Water-first and light: unlikely to flatten fine hair. Your hair
Light Water-first and light: unlikely to flatten fine hair. Your hair
Fragrance
Present Fragrance is listed; it sits below the working ingredients. Your hair
Present Fragrance is listed; it sits below the working ingredients. Your hair
Protein Differs
None No protein or amino acids in the list. Your hair
Prominent Protein high in the list — a strengthening formula, not a moisture one. Your hair
Silicone / wax buildup Differs
None Nothing here needs a detergent wash to remove. Your hair
High Water-insoluble silicones or waxes: a detergent wash is what removes them. Your hair
Clarifying wash needed
Low Your hair
Moderate Your hair
Cast risk Differs
Likely Film formers without much softening them — expect a cast to scrunch out. Your hair
Unlikely Softening ingredients sit alongside the film formers, so a hard shell is unlikely. Your hair
Oil absorption Same
None No absorbent powders or starches. Your hair
None No absorbent powders or starches. Your hair
Oils and butters Differs
None No oils or butters in the list. Your hair
Present, lower down Oils are present, but low enough to be a finishing touch. Your hair
Fast-drying alcohol Differs
High in the list Fast-drying alcohol in the first three ingredients. Your hair
None No fast-drying alcohol in the list. Your hair
Formula completeness
out of 10
Covers the core
out of 10
Complete for its job
Who should choose this
  • Protein-sensitive hairthat stiffens when protein is added
  • Curly-method routinesno sulfates and no water-insoluble silicones
  • Curl definitionfilm formers hold a clump together
  • Fine hairthat flattens under most products
  • Protein-hungry hairthat stretches and stays stretched when wet
  • Curl definitionfilm formers hold a clump together
  • Fine hairthat flattens under most products
  • Very dry hairno fast-drying alcohol in the list
Why you might skip it
  • Scents bother youthis product carries a scent
  • Very dry or damaged hairit contains fast-drying alcohol
  • Anyone who dislikes a castthe film formers here can set firm
  • Scents bother youthis product carries a strong scent
  • Curly-method routinesthese silicones need a detergent to remove
  • Protein-sensitive hairthat goes stiff or straw-like on protein
from the formula stated by the brand reported by reviewers Scale: 1 dot low · 5 dots high, within this product type.
More facts about each one
Type
Styleraerosol
Stylerfoam
Where to buy
Ulta
Ulta
Free of
  • sulfate-free
  • silicone-free
  • protein-free
  • curly-method compatible
  • sulfate-free
Vegan
Vegan · label states
Vegan · label states
Scent
Scented, not described
Scented, not described
Finish
natural
—
How often
as needed
as needed

Facts as we recorded them. A dash means we have not researched that field for that product — it is not a "no".

The bottom line

The bottom line depends on your hair

Which of these two suits you is a question about your hair, not about them. The consultation answers it — and tells you what your routine needs around it.

Take the consultation

$49.00 once, for your consultation and hair profile. No subscription, no required purchases.

The detail behind the table

Where the readings above come from: the ingredient lists themselves, each brand’s claims checked against them, what owners report, and cost per ounce in context.

Shared and distinct ingredients

Shared and distinct ingredients

Computed from the ingredient lists as printed. "Shared" means both lists carry it; where it sits on each label is stated, because position is what tells you how much.

What both formulas carry

IngredientSeltzer Spritz Flexible Hold Hairspray - 9.0 ozSouthern Belle Volume-Boosting Mousse
Fragrance
Fragrance
#26Below the 1% line
#19Below the 1% line
Alpha-Isomethyl Ionone
Fragrance
#27Below the 1% line
#37Below the 1% line
Linalool
Fragrance
#28Below the 1% line
#36Below the 1% line
Water
Neutral
#18Below the 1% line
#1Leading

What only one of them carries

Seltzer Spritz Flexible Hold Hairspray - 9.0 oz

Southern Belle Volume-Boosting Mousse

Full ingredient list — Seltzer Spritz Flexible Hold Hairspray - 9.0 oz (28)
Full ingredient list — Southern Belle Volume-Boosting Mousse (37)

Claims check

What each brand says, against what each formula shows

Claims are quoted from each brand. We only mark one supported, partly supported, or conflicting when that product’s ingredient list actually speaks to it.

VerdictsSeltzer Spritz Flexible Hold Hairspray - 9.0 ozSouthern Belle Volume-Boosting Mousse
Supported
1
2
Partly supported
0
0
Stated by brand
0
1
Potential conflict
3
0

Seltzer Spritz Flexible Hold Hairspray - 9.0 oz

  • Flexible holdPotential conflictExpect a cast you have to scrunch out.
  • 8-hour holdSupportedStructure that lasts the day.
  • Never stiff, sticky, or flakyPotential conflictExpect a cast you have to scrunch out.
  • Soft, touchable finishPotential conflictExpect a cast you have to scrunch out.

Southern Belle Volume-Boosting Mousse

  • Long-lasting bodySupportedLeaves room for lift.
  • Improves style memoryStated by brandCan’t be confirmed from label.
  • Builds volumeSupportedLeaves room for lift.

What owners say

What people report

Recurring themes our researchers wrote in their own words from sourced reviews. We do not store or scrape star ratings, and we never balance one product’s themes against another’s by inventing them.

Both praised for hold. Drybar Seltzer Spritz Flexible Hold Hairspray - 9.0 oz draws complaints about the packaging; Drybar Southern Belle Volume-Boosting Mousse draws complaints about the scent and irritation.

Seltzer Spritz Flexible Hold Hairspray - 9.0 oz

Holds curls in place all day without leaving hair stiff or sticky

Ulta reviewer describing use on curly hair

Controls frizz and lasts all day with a pleasant scent and little residue

Ulta reviewer, 5-star

Nozzle clogs after repeated use, sometimes within a couple months, and can't be cleared

Ulta reviewer, repeat purchaser

Nozzle clogs after nearly every single use, requiring a sharp object to clear it

Ulta reviewer, 1-star

Southern Belle Volume-Boosting Mousse

Adds density and makes hair noticeably more manageable

Ulta reviewer

Adds volume to thin, flat hair and works well air-dried for everyday use

Ulta reviewer with thin, flat hair

Gives volume without adding weight and a can lasts a long time

Ulta reviewer

Strong perfume scent made eyes water and caused a headache

Ulta reviewer

Fragrance is overpowering, compared to an old-fashioned perfume, and gives a headache

Ulta reviewer sensitive to scent

Price check

Cost per ounce, in context

Cost per ounce against every product of this type we have priced, each at the size it is most often sold in. Value labels are computed from that percentile and from how many products that do the same job cost less; they are comparisons, not judgements about a brand.

$2.31/oz vs $4.77/oz — Drybar Southern Belle Volume-Boosting Mousse costs about 2.1× more per ounce than Drybar Seltzer Spritz Flexible Hold Hairspray - 9.0 oz.

Seltzer Spritz Flexible Hold Hairspray - 9.0 oz

Against 97 hairsprays with a computable unit price.

Southern Belle Volume-Boosting Mousse

Against 138 mousses with a computable unit price.

Value readSeltzer Spritz Flexible Hold Hairspray - 9.0 ozSouthern Belle Volume-Boosting Mousse
Label
Priced with its peersSits in the middle of the range for hairsprays per ounce.
Same job for less elsewhereYou are paying above the range for a formula close to several lower-priced options.

Computed from cost per ounce against every product of this type we have priced, and from how many products that do the same job cost less. It is a comparison, not a judgement about the brand.

Compare with something else

Close formulas to each of these, as their own comparison pages.

Seltzer Spritz Flexible Hold Hairspray - 9.0 oz vs Seltzer Spritz Flexible Hold Hairspray - 1.7 ozDrybar · 100% function matchSouthern Belle Volume-Boosting Mousse vs Style & Wrap MousseAphogee · 95% function matchSeltzer Spritz Flexible Hold Hairspray - 9.0 oz vs Vavoom Triple Freeze Extra Dry HairsprayMatrix · 96% function matchSouthern Belle Volume-Boosting Mousse vs Frizz Ease Dream Curls Daily Styling SprayJohn Frieda · 95% function matchSeltzer Spritz Flexible Hold Hairspray - 9.0 oz vs L'Oréal Paris Advanced Hairstyle LOCK IT Weather Control HairsprayL'Oréal Paris · 96% function matchSouthern Belle Volume-Boosting Mousse vs HIGHEST Volumizing MousseR+Co · 89% function matchSeltzer Spritz Flexible Hold Hairspray - 9.0 oz vs Style Lab Flex HairsprayLiving Proof · 96% function matchSouthern Belle Volume-Boosting Mousse vs Caviar Anti-Aging Multiplying Volume Styling MousseAlterna · 89% function match

Seltzer Spritz Flexible Hold Hairspray - 9.0 oz · Southern Belle Volume-Boosting Mousse · All hairsprays in the library

How this page was made

  • This page is assembled from the same researched records the individual product pages render: identity, each ingredient list as printed, each brand's own claims, dated price observations, and review themes written in our researchers' own words. Nothing on it is written per comparison.
  • We do not rank these against each other. Which of them suits you depends on your hair, and that is what the consultation works out.
  • The formula similarity percentage is a stored, precomputed number: position-weighted overlap of the two ingredient lists blended with agreement on the attributes we derive. It measures how alike two formulas are, not how well either works.
  • 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.
  • 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 were consulted across the products on this page.
  • Ingredient order tells you relative amount only above roughly 1%. Prices are observations on the dates shown and change without notice. We do not sell these products and take no placement fees.
  • This is cosmetic information, not medical advice, and nothing here diagnoses or treats a health condition.

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