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Side by side

R+Co CASSETTE Curl Defining Shampoo vs R+Co ESSENTIAL SHAMPOO

63% function match · 7 of the 13 functions we compared match Formula overlap 14%. R+Co CASSETTE Curl Defining Shampoo and R+Co ESSENTIAL 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.

  • CASSETTE Curl Defining Shampoo — colour-treated hair
  • ESSENTIAL 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
R+Co CASSETTE Curl Defining Shampoo — brand photograph R+Co

CASSETTE Curl Defining Shampoo

  • Shampoo
  • Prestige
  • Sulfate-free
  • Protein-free
R+Co ESSENTIAL SHAMPOO — 8.5 oz container R+Co

ESSENTIAL SHAMPOO

  • Shampoo
  • Prestige
  • Sulfate-free
  • Silicone-free
Price, size & price per ounce
$34 8.5 oz · $4.00/oz
$147 8.5 oz · $17.29/oz
Value / price positioning
Same job for less elsewhere $$$$$ Prestige tier · costs more than 85% of the 817 shampoos we’ve priced
Same job for less elsewhere $$$$$ Prestige tier · costs more than 100% of the 817 shampoos we’ve priced
Best for hair types
Wavy–Coily The brand’s own claims name curly or textured hair. 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
High Humectants near the top — water-binding is a headline mechanism here. 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
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
Prominent Fragrance sits in the first eight ingredients — a larger share of the formula. Your hair
Protein Same
None No protein or amino acids in the list. Your hair
None No protein or amino acids in the list. Your hair
Silicone / wax buildup Differs
High Water-insoluble silicones or waxes: a detergent wash is what removes them. Your hair
None Nothing here needs a detergent wash to remove. Your hair
Clarifying wash needed
Moderate Your hair
Low Your hair
Expected lather Differs
Moderate An ordinary shampoo lather. Your hair
High Thick foam that spreads quickly through the hair. 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
  • Protein-sensitive hairthat stiffens when protein is added
  • Fast-oiling scalpsthat need a real reset wash
  • Hard waterand swimmers dealing with mineral deposit
  • Colour-treated hairthat fades faster in a sulfate wash
  • Protein-sensitive hairthat stiffens when protein is added
  • Fast-oiling scalpsthat need a real reset wash
  • Dry, thirsty hairhumectants and emollients both sit up front
Why you might skip it
  • Scents bother youthis product carries a scent
  • Curly-method routinesthese silicones need a detergent to remove
  • 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
  • Hair that needs proteinthere is none in this list
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
CASSETTE Curl Defining
ESSENTIAL
Where to buy
Brand website · Sephora
Sephora · Brand website
Free of
  • sulfate-free
  • protein-free
  • sulfate-free
  • silicone-free
  • protein-free
  • curly-method compatible
Vegan
Vegan · brand states
Vegan · brand states
Scent
Scented, not described
Floral

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

IngredientCASSETTE Curl Defining ShampooESSENTIAL SHAMPOO
Water
Neutral
#1Leading
#1Leading
Sodium Lauroyl Sarcosinate
Cleanses
#5Supporting
#5Supporting
Fragrance
Fragrance
#11Below the 1% line
#7Below the 1% line
Phenoxyethanol
Stabilizes
#10Below the 1% line
#6Below the 1% line
Limonene
Fragrance
#66Below the 1% line
#41Below the 1% line
Linalool
Fragrance
#67Below the 1% line
#43Below the 1% line

What only one of them carries

CASSETTE Curl Defining Shampoo

ESSENTIAL SHAMPOO

Full ingredient list — CASSETTE Curl Defining Shampoo (67)
Full ingredient list — ESSENTIAL SHAMPOO (43)

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.

VerdictsCASSETTE Curl Defining ShampooESSENTIAL SHAMPOO
Supported
0
1
Partly supported
0
0
Stated by brand
1
1
Potential conflict
0
0

CASSETTE Curl Defining Shampoo

  • This curl-enhancing shampoo is designed to gently cleanse while maintaining and defining the shape of your curlStated by brandCan’t be confirmed from label.

ESSENTIAL SHAMPOO

  • An everyday all-star created for all hair types.Stated by brandSee the fit panel instead.
  • Luxe lather, gentle cleansing, optimal hydration.SupportedHelps hair feel hydrated.

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 and how it cleanses.

CASSETTE Curl Defining Shampoo

Enhances curl definition and reduces frizz, often used paired with the matching conditioner

3a-type and wavy/curly reviewers

Small amount needed per wash, seen as good value/efficient use even for long hair

long-hair reviewers

Frequently stylist-recommended and described as a long-term repeat purchase

multi-year repeat customers

Cleanses without stripping hair or scalp, even for dry/persistently dry hair types

wavy/curly hair reviewers, some long or thick hair

ESSENTIAL SHAMPOO

Reviewers note a little product goes a long way and avoids the straw-like feeling some other shampoos leave

general

Reviewers frequently praise the fragrance as a standout, floral scent

multiple reviewers across hair types

Several reviewers say it leaves hair soft and shiny after washing

general

Reviewers with fine hair report good lather and cleansing without drying, allowing longer stretches between washes

fine 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.

$4.00/oz vs $17.29/oz — R+Co ESSENTIAL SHAMPOO costs about 4.3× more per ounce than R+Co CASSETTE Curl Defining Shampoo.

$0.00/oz median $1.48/oz $17.29/oz $4.00/oz CASSETTE Curl Defining Sha $17.29/oz ESSENTIAL SHAMPOO

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

Value readCASSETTE Curl Defining ShampooESSENTIAL SHAMPOO
Label
Same job for less elsewhereYou are paying above the range for a formula close to several lower-priced options.
Same job for less elsewhereYou are paying above the range for a formula close to several lower-priced options.

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.

CASSETTE Curl Defining Shampoo vs MORE LIFE Color Extending ShampooIGK Hair · 99% function matchESSENTIAL SHAMPOO vs Cantu Avocado Hydrating Sulfate Free ShampooCantu · 100% function matchCASSETTE Curl Defining Shampoo vs TELEVISION Perfect Hair ShampooR+Co · 99% function matchESSENTIAL SHAMPOO vs Scalp Balancing ShampooMoroccanoil · 98% function matchCASSETTE Curl Defining Shampoo vs Goddess Strength Fortifying Shampoo With Castor OilCarol's Daughter · 99% function matchESSENTIAL SHAMPOO vs KILLER.CURLS WASHKevin Murphy · 98% function matchCASSETTE Curl Defining Shampoo vs Frizz Control ShampooMoroccanoil · 98% function matchESSENTIAL SHAMPOO vs Total Results Glow Mania Color Protecting ShampooMatrix · 96% function match

CASSETTE Curl Defining Shampoo · ESSENTIAL 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.
  • 12 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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