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Side by side

IGK Hair Good Behavior Ultra Smooth Shampoo vs Moroccanoil Curl Enhancing Shampoo

98% function match · 12 of the 13 functions we compared match Formula overlap 44%. IGK Hair Good Behavior Ultra Smooth Shampoo and Moroccanoil Curl Enhancing Shampoo 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.

  • Good Behavior Ultra Smooth Shampoo — colour-treated hair
  • Curl Enhancing Shampoo — colour-treated 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
IGK Hair Good Behavior Ultra Smooth Shampoo — 8 oz container IGK Hair

Good Behavior Ultra Smooth Shampoo

  • Shampoo
  • Salon
  • Sulfate-free
  • Silicone-free
Moroccanoil Curl Enhancing Shampoo — 8.5 oz container Moroccanoil

Curl Enhancing Shampoo

  • Shampoo
  • Prestige
  • Sulfate-free
  • Silicone-free
Price, size & price per ounce
$32 8 oz · $4.00/oz
$21–30 8.5 oz · $2.94/oz
Value / price positioning
Same job for less elsewhere $$$$$ Salon tier · costs more than 85% of the 817 shampoos we’ve priced
Upper-mid price for a shampoo $$$$$ Prestige tier · costs more than 74% of the 817 shampoos we’ve priced
Best for hair types
Curly–Coily A heavy formula: coarse, curlier strands carry it without flattening. Your hair
Wavy–Coily The brand’s own claims name curly or textured hair. Your hair
Moisture level Same
Moderate Humectants in the working part of the formula. Your hair
Moderate Humectants in the working part of the formula. Your hair
Cleansing strength Same
Strong Removes oil, buildup, and most residue — a reset wash. Your hair
Strong Removes oil, buildup, and most residue — a reset wash. Your hair
Slip / detangling Same
Moderate Conditioning agents are present, lower in the list. Your hair
Moderate Conditioning agents are present, lower in the list. Your hair
Weight on hair
Rich Heavy butters and waxes in the first eight ingredients. 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 Same
Minor Protein appears, low enough to be a supporting ingredient. Your hair
Minor Protein appears, low enough to be a supporting ingredient. Your hair
Silicone / wax buildup Same
None Nothing here needs a detergent wash to remove. Your hair
None Nothing here needs a detergent wash to remove. Your hair
Clarifying wash needed
Low Your hair
Low Your hair
Expected lather Same
Moderate An ordinary shampoo lather. Your hair
Moderate An ordinary shampoo lather. Your hair
Scalp active Same
None No over-the-counter scalp active. Your hair
None No over-the-counter scalp active. 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
  • Colour-treated hairthat fades faster in a sulfate wash
  • Fast-oiling scalpsthat need a real reset wash
  • Curly-method routinesno sulfates and no water-insoluble silicones
  • Hard waterand swimmers dealing with mineral deposit
  • Colour-treated hairthat fades faster in a sulfate wash
  • Fast-oiling scalpsthat need a real reset wash
  • Curly-method routinesno sulfates and no water-insoluble silicones
  • Hard waterand swimmers dealing with mineral deposit
Why you might skip it
  • Scents bother youthis product carries a scent
  • Oily scalp or fine hairthat gets weighed down
  • Dry or damaged haira strong detergent system strips as it cleans
  • Scents bother youthis product carries a scent
  • Dry or damaged haira strong detergent system strips as it cleans
  • Tight budgetsit sits in the upper price tiers
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
Shampoo
Shampoo
Line
Good Behavior
Curl Enhancing
Where to buy
Brand website · Sephora
Salons · Brand website · Ulta
Free of
  • sulfate-free
  • silicone-free
  • curly-method compatible
  • sulfate-free
  • silicone-free
  • curly-method compatible
Cruelty-free
—
Cruelty-free · PETA-listed
Scent
Scented, not described
Scented, not described

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

IngredientGood Behavior Ultra Smooth ShampooCurl Enhancing Shampoo
Water
Neutral
#1Leading
#1Leading
Sodium Lauroyl Methyl Isethionate
Cleanses
#2Leading
#2Leading
Sodium Cocoyl Isethionate
Cleanses
#3Leading
#5Supporting
Glycol Distearate
Softens
#5Supporting
#19Below the 1% line
Hydrolyzed Soy Protein
Protein
#21Below the 1% line
#48Below the 1% line
Fragrance
Fragrance
#43Below the 1% line
#15Below the 1% line

What only one of them carries

Good Behavior Ultra Smooth Shampoo

Curl Enhancing Shampoo

Full ingredient list — Good Behavior Ultra Smooth Shampoo (45)
Full ingredient list — Curl Enhancing Shampoo (58)

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.

VerdictsGood Behavior Ultra Smooth ShampooCurl Enhancing Shampoo
Supported
2
1
Partly supported
0
1
Stated by brand
0
0
Potential conflict
0
0

Good Behavior Ultra Smooth Shampoo

  • Frizz-Blocking Barrier technology that helps stop frizz before it forms in the wet to dry stagesSupportedSmoother strands, less frizz.
  • Silicone-free, PEG-free and infused with smoothing agents to add shine and moisture without adding weightSupportedNothing that needs a strong wash.

Curl Enhancing Shampoo

  • Weightless curls that look and feel healthy with bouncePartly supportedDepends how fine your hair is.
  • Restores elasticity, reduces frizzSupportedSmoother strands, less frizz.

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 frizz control and how it cleanses.

Good Behavior Ultra Smooth Shampoo

Frequently recommended by hairstylists and used as a full shampoo+conditioner system with the matching Good Behavior conditioner

salon-referred customers

Adds shine and softness strong enough that some reviewers say they can skip conditioner entirely

general

Concentrate/lather efficiency: several reviewers note a little product goes a long way

general

Reviewers with coarse, curly, or frizz-prone hair report noticeably smoother, more manageable hair after use

curly/coarse/frizz-prone hair

Curl Enhancing Shampoo

Reviewers with curly or wavy hair report the shampoo cleanses effectively without stripping moisture, leaving curls feeling soft and defined.

curly/wavy hair

Reviewers note that only a small (dime-sized) amount is needed to work up a good lather.

Reviewers report it helps hair keep its curl pattern and reduces frizz, especially when paired with a matching leave-in treatment.

uses with leave-in treatment

Reviewers with dense/thick curly hair report using it as a regular refresh/hydration wash, sometimes alternating with a clarifying or scalp-balancing shampoo.

dense/thick curly hair

A few reviewers found the product merely fine/unremarkable rather than transformative, with no specific complaint given.

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.

$2.94/oz vs $4.00/oz — IGK Hair Good Behavior Ultra Smooth Shampoo costs about 1.4× more per ounce than Moroccanoil Curl Enhancing Shampoo.

$0.00/oz median $1.48/oz $17.29/oz $4.00/oz Good Behavior Ultra Smooth $2.94/oz Curl Enhancing Shampoo

Every mark sits on one distribution because these are compared against the same set: 817 shampoos with a computable unit price.

Value readGood Behavior Ultra Smooth ShampooCurl Enhancing Shampoo
Label
Same job for less elsewhereYou are paying above the range for a formula close to several lower-priced options.
Upper-mid price for a shampooSits in the middle of the range for shampoos 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.

Good Behavior Ultra Smooth Shampoo vs Clarifying ShampooMoroccanoil · 96% function matchCurl Enhancing Shampoo vs Clarifying ShampooMoroccanoil · 98% function matchGood Behavior Ultra Smooth Shampoo vs 2in1 Thickening Shampoo & ConditionerBosley · 94% function matchCurl Enhancing Shampoo vs 2in1 Thickening Shampoo & ConditionerBosley · 96% function matchGood Behavior Ultra Smooth Shampoo vs Signature ShampooOribe · 94% function matchCurl Enhancing Shampoo vs Signature ShampooOribe · 96% function matchGood Behavior Ultra Smooth Shampoo vs Pay Day ShampooIGK Hair · 91% function matchCurl Enhancing Shampoo vs Curl ShampooVirtue Labs · 91% function match

Good Behavior Ultra Smooth Shampoo · Curl Enhancing Shampoo · All shampoos 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.
  • 8 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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