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Side by side

Function of Beauty Straight Hair Conditioner vs Moroccanoil Blonde Perfecting Purple Conditioner

85% function match · 7 of the 10 functions we compared match Formula overlap 46%. Function of Beauty Straight Hair Conditioner and Moroccanoil Blonde Perfecting Purple Conditioner share 4 ingredients among each other's most prominent.

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.

  • Straight Hair Conditioner — maximum slip
  • Blonde Perfecting Purple Conditioner — 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”.

Trait
Function of Beauty Straight Hair Conditioner — 11 oz container Function of Beauty

Straight Hair Conditioner

  • Conditioner
  • Drugstore
  • Sulfate-free
  • Moisture-rich
Moroccanoil Blonde Perfecting Purple Conditioner — 2.4 oz container Moroccanoil

Blonde Perfecting Purple Conditioner

  • Conditioner
  • Prestige
  • Sulfate-free
  • Protein-free
Price, size & price per ounce
about $10 11 oz · $0.91/oz
$22.19 6 oz · $3.70/oz
Value / price positioning
Lower cost than most conditioners $$$$$ Drugstore tier · costs less than 75% of the 689 conditioners we’ve priced
Priced above most conditioners $$$$$ Prestige tier · costs more than 81% of the 689 conditioners we’ve priced
Best for hair types
All types Nothing in the formula or the claims narrows this to one pattern. Your hair
All types Nothing in the formula or the claims narrows this to one pattern. Your hair
Moisture level Differs
Moderate Humectants in the working part of the formula. Your hair
Moderate Humectants in the working part of the formula. Your hair
Oils and butters Same
Moderate Oils sit high in the list — a softening, coating formula. Your hair
Present, high in the list 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
Medium Middle of the range — noticeable on fine hair, light on coarse hair. Your hair
Medium Middle of the range — noticeable on fine hair, light on coarse 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
Minor Protein appears, low enough to be a supporting ingredient. Your hair
None No protein or amino acids in the list. 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
High Your hair
High Your hair
Hard-water defence Same
Chelators present Chelators are present — they bind hard-water and pool minerals. Your hair
Chelators present Chelators are present — they bind hard-water and pool minerals. Your hair
Formula completeness
out of 10
Complete for its job
out of 10
Complete for its job
Who should choose this
  • Maximum slipfor hair that tangles the moment it is wet
  • Dry, thirsty hairhumectants and emollients both sit up front
  • Cuticle-smoothing pHa pH adjuster brings it to the acidic range hair prefers
  • Vegan and cruelty-freeour researched record has it as both
  • Protein-sensitive hairthat stiffens when protein is added
  • Maximum slipfor hair that tangles the moment it is wet
  • Matte, textured stylesabsorbent powders do the mattifying
  • Cuticle-smoothing pHa pH adjuster brings it to the acidic range hair prefers
Why you might skip it
  • Scents bother youthis product carries a scent
  • Curly-method routinesthese silicones need a detergent to remove
  • Very dry or damaged hairit contains fast-drying alcohol
  • Scents bother youthis product carries a strong scent
  • Curly-method routinesthese silicones need a detergent to remove
  • Very dry or damaged hairit contains fast-drying alcohol
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
Conditioner
Conditioner
Line
Straight Hair
Blonde Perfecting
Where to buy
Brand website · Target
Brand website · Salons
Free of
  • sulfate-free
  • sulfate-free
  • protein-free
Vegan
Vegan · label states
—
Cruelty-free
Cruelty-free · PETA-listed
Cruelty-free · PETA-listed
Scent
Scented, not described
FloralStrong

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

IngredientStraight Hair ConditionerBlonde Perfecting Purple Conditioner
Water
Neutral
#1Leading
#1Leading
Cetyl Alcohol
Softens
#2Leading
#2Leading
Behentrimonium Chloride
Detangles
#3Leading
#4Supporting
Cetearyl Alcohol
Softens
#5Supporting
#53Below the 1% line
Quaternium-87
Detangles
#7Supporting
#29Below the 1% line
Phenoxyethanol
Stabilizes
#17Below the 1% line
#49Below the 1% line
Propoxytetramethyl Piperidinyl Dimethicone
Buildup
#20Below the 1% line
#47Below the 1% line
Fragrance
Fragrance
#38Below the 1% line
#10Below the 1% line
Isopropyl Alcohol
Drying
#42Below the 1% line
#34Below the 1% line

What only one of them carries

Straight Hair Conditioner

Blonde Perfecting Purple Conditioner

Full ingredient list — Straight Hair Conditioner (44)
Full ingredient list — Blonde Perfecting Purple Conditioner (55)

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.

VerdictsStraight Hair ConditionerBlonde Perfecting Purple Conditioner
Supported
0
0
Partly supported
0
0
Stated by brand
2
3
Potential conflict
0
0

Straight Hair Conditioner

  • Softness and conditioning without buildupStated by brandSubjective feel varies by hair.
  • Sulfate-free, paraben-free, cruelty-free, 100% veganStated by brandOnly the brand’s testing shows this.

Blonde Perfecting Purple Conditioner

  • Complete your brass-neutralizing regimen with Blonde Perfecting Purple ConditionerStated by brandCan’t be confirmed from label.
  • Deposits violet pigments to counteract unwanted yellow and orange hues in blonde, lightened brunette, and grey hairStated by brandCan’t be confirmed from label.
  • 100% said hair feels soft in an independent consumer study of the combined shampoo and conditionerStated by brandOnly the brand’s testing shows 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.

Both praised for the scent. Function of Beauty Straight Hair Conditioner draws complaints about tangling and dryness.

Straight Hair Conditioner

Reviewers report soft, well-conditioned hair and a pleasant fragrance

Customizability (adding boosters) is called out as a valued feature

Some reviewers report hair thinning and increased tangling

Scalp irritation, dryness, and dandruff-like flaking are reported by some users

A notable share of reviewers report dryness, roughness, and breakage severe enough to switch products before finishing the bottle

Blonde Perfecting Purple Conditioner

Scent is repeatedly praised as pleasant and long-lasting, consistent with the brand signature fragrance

general users

Reviewers with gray or graying hair report the product keeps brassy/yellow tones neutralized and hair looking bright

gray/graying-hair reviewers, several using weekly

Reviewers with highlighted or partially gray/brassy brunette hair report reduced brassiness in warm undertones

colored/highlighted-hair reviewers

Some reviewers dilute or mix the conditioner with a regular conditioner to moderate toning strength/frequency

reviewers managing curly or color-treated 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.

$0.91/oz vs $3.70/oz — Moroccanoil Blonde Perfecting Purple Conditioner costs about 4.1× more per ounce than Function of Beauty Straight Hair Conditioner.

$0.09/oz median $1.60/oz $56.25/oz $0.91/oz Straight Hair Conditioner $3.70/oz Blonde Perfecting Purple C

Every mark sits on one distribution because these are compared against the same set: 689 conditioners with a computable unit price.

Value readStraight Hair ConditionerBlonde Perfecting Purple Conditioner
Label
Lower cost than most conditionersCosts less per ounce than most conditioners we have researched.
Priced above most conditionersCosts more per ounce than most conditioners; nothing in our library matches it closely for less.

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.

Straight Hair Conditioner vs Wavy Hair ConditionerFunction of Beauty · 90% function matchBlonde Perfecting Purple Conditioner vs Deluxe Defense ConditionerKenra Platinum · 92% function matchStraight Hair Conditioner vs Bright Blonde Conditioner for Beautiful ColorOribe · 90% function matchBlonde Perfecting Purple Conditioner vs Color Care ConditionerMoroccanoil · 85% function matchStraight Hair Conditioner vs SUNSET BLVD Blonde ConditionerR+Co · 90% function matchBlonde Perfecting Purple Conditioner vs BLONDE.ANGELKevin Murphy · 82% function matchStraight Hair Conditioner vs HydraSplash Hydrating ConditionerJoico · 90% function matchBlonde Perfecting Purple Conditioner vs SUNSET BLVD Blonde ConditionerR+Co · 81% function match

Straight Hair Conditioner · Blonde Perfecting Purple Conditioner · All conditioners 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.

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