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Side by side

Marc Anthony Strictly Curls Curl to Straight Ultimate Blowout vs Redken One United All-In-One Multi-Benefit Treatment Spray

86% function match · 7 of the 10 functions we compared match Formula overlap 23%. Marc Anthony Strictly Curls Curl to Straight Ultimate Blowout and Redken One United All-In-One Multi-Benefit Treatment Spray share 4 ingredients among each other's most prominent.

These sit in different steps of a routine — Marc Anthony Strictly Curls Curl to Straight Ultimate Blowout is a heat protectant and Redken One United All-In-One Multi-Benefit Treatment Spray is a leave-in. Comparing their formulas is fair; treating one as a replacement for the other is not.

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.

  • Strictly Curls Curl to Straight Ultimate Blowout — protein-sensitive hair
  • One United All-In-One Multi-Benefit Treatment Spray — heat styling

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
Marc Anthony

Strictly Curls Curl to Straight Ultimate Blowout

  • Heat protectant
  • Drugstore
  • Sulfate-free
  • Protein-free
Redken

One United All-In-One Multi-Benefit Treatment Spray

  • Leave-in
  • Salon
  • Sulfate-free
  • Moisture-rich
Price, size & price per ounce
$10.47 6.7 oz · $1.56/oz
$45 13.5 oz · $3.33/oz

Compared at different sizes — 13.5 oz against 6.7 oz. Per-ounce prices favour the larger bottle.

Value / price positioning
Lower cost than most heat protectants $$$$$ Drugstore tier · costs less than 91% of the 223 heat protectants we’ve priced
Upper-mid price for a leave-in $$$$$ Salon tier · costs more than 57% of the 549 leave-ins we’ve priced
Best for hair types
Curly–Coily A heavy formula: coarse, curlier strands carry it without flattening. Your hair
Curly–Coily A heavy formula: coarse, curlier strands carry it without flattening. Your hair
Moisture level Differs
High Humectants near the top — water-binding is a headline mechanism here. Your hair
Moderate Humectants in the working part of the formula. Your hair
Oils and butters Differs
High Butters near the top: a heavy, softening formula. Your hair
Moderate Oils sit high in the list — a softening, coating formula. Your hair
Slip / detangling Same
High Conditioning agents sit high in the list — this is a detangling formula. Your hair
High Conditioning agents sit high in the list — this is a detangling formula. Your hair
Weight on hair Same
Rich Heavy butters and waxes in the first eight ingredients. Your hair
Rich Heavy butters and waxes in the first eight ingredients. Your hair
Fragrance
Present Fragrance is listed; it sits below the working ingredients. Your hair
Prominent Fragrance sits in the first eight ingredients — a larger share of the formula. Your hair
Protein Differs
None No protein or amino acids in the list. Your hair
Minor Protein appears, low enough to be a supporting ingredient. Your hair
Silicone / wax buildup Same
High Water-insoluble silicones or waxes: a detergent wash is what removes them. Your hair
High Water-insoluble silicones or waxes: a detergent wash is what removes them. Your hair
Clarifying wash needed
Moderate Your hair
Moderate Your hair
Fast-drying alcohol Same
None No fast-drying alcohol in the list. Your hair
Heat protection
Stated to 450°F The brand states a protection temperature — a label claim, not a measurement. Your hair
Formula completeness
out of 10
Complete for its job
out of 10
Complete for its job
Who should choose this
  • 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
  • Heat stylingthe brand states protection to 450°F
  • 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
Why you might skip it
  • 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
  • Scents bother youthis product carries a scent
  • Curly-method routinesthese silicones need a detergent to remove
  • Oily scalp or fine hairthat gets weighed down
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
Heat protectant
Leave-inspray
Where to buy
Salons · Ulta · Amazon
Free of
  • sulfate-free
  • protein-free
  • sulfate-free
Cruelty-free
Cruelty-free · PETA-listed
Not cruelty-free · PETA-listed
Scent
Scented, not described
Fresh & airy
Heat protection
up to 450°F

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

IngredientStrictly Curls Curl to Straight Ultimate BlowoutOne United All-In-One Multi-Benefit Treatment Spray
Water
Neutral
#1Leading
#1Leading
Cocos Nucifera (Coconut) Oil
Softens
#6Supporting
#2Leading
Fragrance
Fragrance
#23Below the 1% line
#7Below the 1% line
Polyquaternium-37
Detangles
#13Secondary
#4Supporting
Phenoxyethanol
Stabilizes
#22Below the 1% line
#5Below the 1% line
Propylene Glycol Dicaprylate/Dicaprate
Softens
#14Secondary
#6Below the 1% line

What only one of them carries

Full ingredient list — Strictly Curls Curl to Straight Ultimate Blowout (32)
Full ingredient list — One United All-In-One Multi-Benefit Treatment Spray (25)

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.

VerdictsStrictly Curls Curl to Straight Ultimate BlowoutOne United All-In-One Multi-Benefit Treatment Spray
Supported
3
2
Partly supported
0
1
Stated by brand
2
1
Potential conflict
0
0

Strictly Curls Curl to Straight Ultimate Blowout

  • Transforms dry, frizzy curls into a smooth, sleek blowoutSupportedSmoother strands, less frizz.
  • Biomimetic polymer shield mimics hair's natural moisture barrierSupportedHelps hair feel hydrated.
  • Smooths the cuticle and reduces frizzSupportedSmoother strands, less frizz.
  • Creates a hydrophobic, humidity-blocking barrier to prevent frizz reversionStated by brandMay help, but not measurable here.
  • Heat-activated formula, protects up to 450°FStated by brandOnly lab testing can show this.

One United All-In-One Multi-Benefit Treatment Spray

  • Conditions, nourishes, reduces dryness, detangles, strengthens, primes, prevents heat damage, split ends and environmental hazardsSupportedHelps hair feel hydrated.
  • Protects against hair breakage and frizz, primes hair for styling, safe for color-treated hairSupportedLess fade per wash.
  • Heat protection up to 450 degrees FPartly supportedSold for hot tools; untestable here.
  • Effective even on porous hairStated by brandCan’t be confirmed from label.

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.

Strictly 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.

One United All-In-One Multi-Benefit Treatment Spray

Heat-styling performance (blow-dry ease, frizz control) consistently praised

Detangling is a standout strength, especially on wet hair

Scent is polarizing -- some compare it unfavorably to laundry detergent

Effectiveness is hair-type dependent -- fine/oily hair can feel heavy near roots if over-applied

fine/oily hair

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.

$1.56/oz vs $3.33/oz — Redken One United All-In-One Multi-Benefit Treatment Spray costs about 2.1× more per ounce than Marc Anthony Strictly Curls Curl to Straight Ultimate Blowout.

Strictly Curls Curl to Straight Ultimate Blowout

Against 223 heat protectants with a computable unit price.

One United All-In-One Multi-Benefit Treatment Spray

Against 549 leave-ins with a computable unit price.

Value readStrictly Curls Curl to Straight Ultimate BlowoutOne United All-In-One Multi-Benefit Treatment Spray
Label
Lower cost than most heat protectantsCosts less per ounce than most heat protectants we have researched.
Upper-mid price for a leave-inSits in the middle of the range for leave-ins per ounce.

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.

Strictly Curls Curl to Straight Ultimate Blowout · One United All-In-One Multi-Benefit Treatment Spray · All heat protectants 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.
  • 10 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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