Side by side
Curlsmith Fragrance-Free Strong Hold Gel vs Curlsmith Root Boost Uplifting Spray
74% function match · 10 of the 13 functions we compared match Formula overlap 39%. Curlsmith Fragrance-Free Strong Hold Gel and Curlsmith Root Boost Uplifting Spray share 3 ingredients among each other's most prominent.
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.
- Fragrance-Free Strong Hold Gel — fragrance-free
- Root Boost Uplifting Spray — protein-sensitive 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”.
- Fragrance-freeno fragrance (parfum) on the label
- Protein-sensitive hairthat stiffens when protein is added
- Maximum slipfor hair that tangles the moment it is wet
- Curly-method routinesno sulfates and no water-insoluble silicones
- 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
- Anyone who dislikes a castthe film formers here can set firm
- Dry or very humid airwhere heavy humectants work against you
- Soft, touchable finishesthe brand states a firm hold
- Scents bother youthis product carries a scent
- Anyone who dislikes a castthe film formers here can set firm
- Styles that must holdthe brand states a light hold at most
More facts about each one
- sulfate-free
- silicone-free
- fragrance-free
- protein-free
- curly-method compatible
- sulfate-free
- silicone-free
- protein-free
- curly-method compatible
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.
$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
What only one of them carries
Fragrance-Free Strong Hold Gel
Full ingredient list — Fragrance-Free Strong Hold Gel (15)
-
1
Water
- solvent
-
2
Polyquaternium-69
- conditioning agent
- film former
- polymer
-
3
Glycerin
- humectant
-
4
PEG-40 Hydrogenated Castor Oil
- solubilizer
- emulsifier
-
5
Humulus Lupulus (Hops) Extract
- botanical extract
-
6
Jasminum Officinale (Jasmine) Flower Extract
- botanical extract
-
7
Citrus Limon (Lemon) Peel Extract
- botanical extract
-
8
Carbomer
- thickener
- polymer
- film former
- Below about this point, order stops being meaningful — these are typically used at 1% or less.
-
9
Ethylhexylglycerin
- preservative
- emollient
-
10
Disodium EDTA
- hard-water chelator
-
11
Butylene Glycol
- humectant
- solvent
-
12
Aminomethyl Propanol
- pH adjuster
-
13
Sodium Benzoate
- preservative
-
14
Phenoxyethanol
- preservative
-
15
Iodopropynyl Butylcarbamate
- preservative
Full ingredient list — Root Boost Uplifting Spray (41)
-
1
Water
- solvent
-
2
Propanediol
- humectant
- solvent
-
3
Sodium Polyitaconate
- film former
- polymer
-
4
Glycerin
- humectant
-
5
PEG-40 Hydrogenated Castor Oil
- solubilizer
- emulsifier
-
6
Tilia Tomentosa Bud Extract
- botanical extract
- Below about this point, order stops being meaningful — these are typically used at 1% or less.
-
7
Rosmarinus Officinalis (Rosemary) Leaf Extract
- botanical extract
- antioxidant
-
8
Chamomilla Recutita (Matricaria) Flower Extract
- botanical extract
-
9
Arnica Montana Flower Extract
- botanical extract
-
10
Lamium Album Extract
- botanical extract
-
11
Salvia Officinalis (Sage) Leaf Extract
- botanical extract
-
12
Pinus Sylvestris Bud Extract
- botanical extract
-
13
Nasturtium Officinale Extract
- botanical extract
-
14
Arctium Majus Root Extract
- botanical extract
-
15
Citrus Limon (Lemon) Peel Extract
- botanical extract
-
16
Hedera Helix (Ivy) Leaf Extract
- botanical extract
-
17
Olea Europaea (Olive) Leaf Extract
- botanical extract
- antioxidant
-
18
Calendula Officinalis Flower Extract
- botanical extract
-
19
Tropaeolum Majus Flower Extract
- botanical extract
-
20
Cyclodextrin
- solubilizer
-
21
cyamopsis tetragonoloba (guar) gum
- gum
- thickener
-
22
maltrodextrin/vp copolymer
- film former
- polymer
-
23
Pentylene Glycol
- humectant
- solvent
- preservative
-
24
PVP
- film former
- polymer
-
25
Xanthan Gum
- gum
- thickener
- film former
-
26
Tocopherol
- antioxidant
- vitamin
-
27
Phytic Acid
- hard-water chelator
-
28
Ethylhexylglycerin
- preservative
- emollient
-
29
Citric Acid
- pH adjuster
- hard-water chelator
-
30
Sclerotium Gum
- film former
- gum
- thickener
-
31
Sodium Gluconate
- hard-water chelator
-
32
Potassium Sorbate
- preservative
-
33
Sodium Benzoate
- preservative
-
34
Phenoxyethanol
- preservative
-
35
Fragrance
- fragrance
- declared fragrance
-
36
Hydroxycitronellal
- fragrance
- named fragrance allergen
-
37
Citronellol
- fragrance
- named fragrance allergen
-
38
Geranyl Acetate
- fragrance
- named fragrance allergen
-
39
Tetramethyl Acetyloctahydronaphthalenes
- fragrance
-
40
Rose Ketones
- fragrance
-
41
Vanillin
- fragrance
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.
Fragrance-Free Strong Hold Gel
Level 9 hold
Stated by brandCan’t be confirmed from label.Non-sticky curl cast that defines, fights frizz, and amplifies shine
SupportedSmoother strands, less frizz.Fragrance-free
SupportedSafer for scent-sensitive scalps.Vegan
SupportedMatches our researched record.Cruelty-free (Leaping Bunny certified)
SupportedMatches our researched record.Dermatologically tested
Stated by brandOnly the brand’s testing shows this.
Root Boost Uplifting Spray
Increases volume by up to 203%
Stated by brandOnly the brand’s testing shows this.Delivers fullness and volume that lasts up to 72 hours
SupportedLeaves room for lift.Made without any drying alcohols
Stated by brandCan’t be confirmed from label.Non-sticky, non-greasy
SupportedLess likely to weigh hair down.
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 moisture, frizz control, and hold. Curlsmith Root Boost Uplifting Spray draws complaints about dryness and frizz.
Fragrance-Free Strong Hold Gel
Reviewers describe strong, long-lasting hold that keeps curls defined and frizz-free through humidity or workouts.
general reviewers, including one describing an hour of HIIT exerciseReviewers with fragrance sensitivity or scalp irritation specifically sought this gel out for being fragrance-free, and some say switching stopped itching or hair loss they attribute to scented products.
reviewers with fragrance intolerance or scalp sensitivityThe gel forms a hard cast that reviewers scrunch out once dry, leaving curls soft and flexible rather than stiff.
reviewers using the cast-and-scrunch techniqueSeveral reviewers caution that only a small, pea-size amount is needed and using too much can be counterproductive.
reviewers describing dosageRoot Boost Uplifting Spray
Gives long-lasting lift at the roots with no added frizz
Ulta reviewer, very curly hair typeDelivers noticeable big-hair volume at the roots without drying out the hair
Ulta reviewerCaused frizz for a reviewer who normally doesn't have frizz issues
Ulta reviewerNot suited to fine 3a/3b curls; flattened roots and felt stiff like hairspray once dry
Ulta reviewer, fine curly hairBerry scent stood out; product feels sticky on hands during root application but holds volume once dried upside down
Ulta reviewer, curly hairPrice 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.
$2.80/oz vs $4.67/oz — Curlsmith Root Boost Uplifting Spray costs about 1.7× more per ounce than Curlsmith Fragrance-Free Strong Hold Gel.
Fragrance-Free Strong Hold Gel
Against 157 gels with a computable unit price.
Root Boost Uplifting Spray
Against 64 volumizers with a computable unit price.
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.
Fragrance-Free Strong Hold Gel · Root Boost Uplifting Spray · All gels 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.
- 6 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.
Still unsure? Take your consultation or browse more products.
Your personalized hair plan
Tell us what’s going on with your hair, see what we understand, and get a plan built around it — with the reason behind every recommendation.
Free to start · $49.00 for your consultation and hair profile · No subscription · Nothing you must buy
Start your consultation
