Side by side
IGK Good Behavior 4 in 1 Prep Spray vs Marc Anthony Strictly Curls Curl to Straight Ultimate Blowout
86% function match · 7 of the 10 functions we compared match Formula overlap 50%. IGK Good Behavior 4 in 1 Prep Spray and Marc Anthony Strictly Curls Curl to Straight Ultimate Blowout share 4 ingredients among each other's most prominent.
These sit in different steps of a routine — IGK Good Behavior 4 in 1 Prep Spray is a leave-in and Marc Anthony Strictly Curls Curl to Straight Ultimate Blowout is a heat protectant. Comparing their formulas is fair; treating one as a replacement for the other is not.
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.
- Good Behavior 4 in 1 Prep Spray — heat styling
- Strictly Curls Curl to Straight Ultimate Blowout — 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”.
Strictly Curls Curl to Straight Ultimate Blowout
- Heat protectant
- Drugstore
- Sulfate-free
- Protein-free
- Heat stylingthe brand positions this as a heat protectant
- Maximum slipfor hair that tangles the moment it is wet
- Dry, thirsty hairhumectants and emollients both sit up front
- Curl definitionfilm formers hold a clump together
- Protein-sensitive hairthat stiffens when protein is added
- Maximum slipfor hair that tangles the moment it is wet
- Dry, thirsty hairhumectants and emollients both sit up front
- Coarse or dry hairthat absorbs everything you give it
- Scents bother youthis product carries a scent
- Curly-method routinesthese silicones need a detergent to remove
- Oily scalp or fine hairthat gets weighed down
- Scents bother youthis product carries a light scent
- Curly-method routinesthese silicones need a detergent to remove
- Oily scalp or fine hairthat gets weighed down
More facts about each one
- sulfate-free
- sulfate-free
- protein-free
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
Good Behavior 4 in 1 Prep Spray
Strictly Curls Curl to Straight Ultimate Blowout
Full ingredient list — Good Behavior 4 in 1 Prep Spray (40)
-
1
Water
- solvent
-
2
Cetearyl Alcohol
- fatty alcohol
- emollient
- thickener
-
3
Silicone Quaternium-8
- silicone
- film former
- conditioning agent
-
4
Spirulina Maxima Extract
- botanical extract
-
5
Cocos Nucifera (Coconut) Oil
- oil
- emollient
-
6
Glycerin
- humectant
-
7
Panthenol
- humectant
- conditioning agent
- vitamin
- Below about this point, order stops being meaningful — these are typically used at 1% or less.
-
8
Rosa Canina Fruit Oil
- oil
- emollient
- antioxidant
-
9
Salvia Hispanica Seed Oil
- oil
- emollient
-
10
Helianthus Annuus (Sunflower) Seed Extract
- botanical extract
- antioxidant
-
11
Rosa Centifolia Flower Water
- botanical extract
-
12
Sambucus Nigra Flower Water
- botanical extract
-
13
Glycolic Acid
- exfoliant
- pH adjuster
-
14
Behentrimonium Methosulfate
- conditioning agent
- emulsifier
-
15
PEG-12 Dimethicone
- emollient
- silicone
- water-soluble silicone
-
16
Trideceth-10
- emulsifier
- solubilizer
-
17
Potassium Sorbate
- preservative
-
18
Polyquaternium-59
- conditioning agent
- film former
- polymer
-
19
Cetrimonium Chloride
- conditioning agent
- cleanser
-
20
Butylene Glycol
- humectant
- solvent
-
21
Sodium PCA
- humectant
-
22
Sodium Lactate
- humectant
- pH adjuster
-
23
Arginine
- amino acid
- humectant
-
24
Aspartic Acid
- amino acid
- pH adjuster
-
25
Cystine Bis-PG-Propyl Silanetriol
- amino acid
- protein
-
26
Sodium PCA
- humectant
-
27
Glycine
- amino acid
-
28
Alanine
- amino acid
-
29
Serine
- amino acid
-
30
Valine
- amino acid
-
31
Isoleucine
- amino acid
-
32
Proline
- amino acid
-
33
Threonine
- amino acid
-
34
Citric Acid
- pH adjuster
- hard-water chelator
-
35
Histidine
- amino acid
-
36
Phenylalanine
- amino acid
-
37
Sodium Benzoate
- preservative
-
38
Fragrance
- fragrance
- declared fragrance
-
39
Phenoxyethanol
- preservative
-
40
Ethylhexylglycerin
- preservative
- emollient
Full ingredient list — Strictly Curls Curl to Straight Ultimate Blowout (32)
-
1
Water
- solvent
-
2
Glycerin
- humectant
-
3
Silicone Quaternium-8
- silicone
- film former
- conditioning agent
-
4
Aloe Barbadensis Leaf Juice
- humectant
- botanical extract
- gum
-
5
Butyrospermum Parkii (Shea) Butter
- butter
- emollient
- sealant
-
6
Cocos Nucifera (Coconut) Oil
- oil
- emollient
-
7
Helianthus Annuus (Sunflower) Seed Oil
- oil
- emollient
-
8
Olea Europaea (Olive) Fruit Oil
- oil
- emollient
-
9
Panthenol
- humectant
- conditioning agent
- vitamin
-
10
Persea Gratissima (Avocado) Oil
- oil
- emollient
-
11
Prunus Amygdalus Dulcis (Sweet Almond) Oil
- oil
- emollient
-
12
Tamarindus Indica Fruit Extract
- botanical extract
-
13
Polyquaternium-37
- conditioning agent
- film former
- polymer
- thickener
-
14
Propylene Glycol Dicaprylate/Dicaprate
- light ester
- emollient
-
15
Trideceth-10
- emulsifier
- solubilizer
- Below about this point, order stops being meaningful — these are typically used at 1% or less.
-
16
Caprylyl Glycol
- preservative
- humectant
-
17
PPG-1 Trideceth-6
- emulsifier
- solubilizer
-
18
Sodium Benzoate
- preservative
-
19
Potassium Sorbate
- preservative
-
20
Citric Acid
- pH adjuster
- hard-water chelator
-
21
Ethylhexylglycerin
- preservative
- emollient
-
22
Phenoxyethanol
- preservative
-
23
Fragrance
- fragrance
- declared fragrance
-
24
Limonene
- fragrance
- named fragrance allergen
-
25
Hexyl Cinnamal
- fragrance
- named fragrance allergen
-
26
Pinene
- fragrance
-
27
Benzyl Benzoate
- fragrance
- named fragrance allergen
-
28
Citral
- fragrance
- named fragrance allergen
-
29
terpinolene
- fragrance
-
30
Linalool
- fragrance
- named fragrance allergen
-
31
Terpineol
- fragrance
-
32
alpha-terpinene
- 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.
Good Behavior 4 in 1 Prep Spray
A multi-tasking hair prep spray that detangles, protects against heat, controls frizz, enhances shine
SupportedEasier detangling, less breakage.Protects against heat
Stated by brandCan’t be confirmed from label.Easy slip for detangling without breakage
Partly supportedSupports the surface, not a treatment.
Strictly Curls Curl to Straight Ultimate Blowout
Transforms dry, frizzy curls into a smooth, sleek blowout
SupportedSmoother strands, less frizz.Biomimetic polymer shield mimics hair's natural moisture barrier
SupportedHelps hair feel hydrated.Smooths the cuticle and reduces frizz
SupportedSmoother strands, less frizz.Creates a hydrophobic, humidity-blocking barrier to prevent frizz reversion
Stated by brandMay help, but not measurable here.Heat-activated formula, protects up to 450°F
Stated by brandOnly lab testing can show this.
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.
Good Behavior 4 in 1 Prep Spray
Curly users report smoother, softer hair and better flyaway and frizz control before heat styling.
Valerie M and JoJo, verified buyers; official brand reviewsVerified buyers report high shine without greasiness.
Brianna, verified buyer; official brand reviewUsers with fragile or brittle hair report softer, stronger, tangle-free results.
Amy S and Sarah, verified buyers; official brand reviewsCurrent official page has substantial review volume and current add-to-bag availability; brand-hosted review selection bias applies.
Official IGK page; 2026-08-24 captureStrictly Curls Curl to Straight Ultimate Blowout
Several reviewers complain the pump or nozzle dispenses unevenly or malfunctions, making even application harder.
Many reviewers say it noticeably cuts frizz and mimics a flat-ironed, salon-blowout finish when used before blow-drying.
Reviewers frequently note the scent is pleasant and not overpowering, and that the spray does not leave hair crunchy, sticky or stiff.
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.
Strictly Curls Curl to Straight Ultimate Blowout
Against 223 heat protectants 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.
Good Behavior 4 in 1 Prep Spray · Strictly Curls Curl to Straight Ultimate Blowout · All leave-ins 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.
- 9 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.
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