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Side by side

Kevin Murphy ANGEL.WASH vs Olaplex Nº.4FINE Bond Maintenance Shampoo

95% function match · 11 of the 13 functions we compared match Formula overlap 44%. Kevin Murphy ANGEL.WASH and Olaplex Nº.4FINE Bond Maintenance 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.

  • ANGEL.WASH — colour-treated hair
  • Nº.4FINE Bond Maintenance 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
Kevin Murphy ANGEL.WASH — 8.45 oz container Kevin Murphy

ANGEL.WASH

  • Shampoo
  • Salon
  • Sulfate-free
  • Silicone-free
Olaplex Nº.4FINE Bond Maintenance Shampoo — 8.45 oz container Olaplex

Nº.4FINE Bond Maintenance Shampoo

  • Shampoo
  • Prestige
  • Sulfate-free
  • Silicone-free
Price, size & price per ounce
$37 8.45 oz · $4.38/oz
$22.99 8.5 oz · $2.71/oz
Value / price positioning
Same job for less elsewhere $$$$$ Salon tier · costs more than 91% of the 817 shampoos we’ve priced
Upper-mid price for a shampoo $$$$$ Prestige tier · costs more than 71% of the 817 shampoos 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 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
Moderate Removes oil and product; leaves some conditioning behind. Your hair
Moderate Removes oil and product; leaves some conditioning behind. 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
Light Water-first and light: unlikely to flatten fine 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
  • Dry, thirsty hairhumectants and emollients both sit up front
  • 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
  • Curly-method routinesno sulfates and no water-insoluble silicones
  • Hard waterand swimmers dealing with mineral deposit
  • Fine hairthat flattens under most products
Why you might skip it
  • Scents bother youthis product carries a strong scent
  • Tight budgetsit sits in the upper price tiers
  • Scents bother youthis product carries a scent
  • Dry or very humid airwhere heavy humectants work against you
  • 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
Angel
—
Where to buy
Manufacturer · Specialty beauty
Manufacturer · Target
Free of
  • sulfate-free
  • silicone-free
  • curly-method compatible
  • sulfate-free
  • silicone-free
  • curly-method compatible
Vegan
—
Vegan · label states
Cruelty-free
Cruelty-free · PETA-listed
—
Scent
Sweet & vanilla · Fresh & airyStrong
Fresh & airy

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

IngredientANGEL.WASHNº.4FINE Bond Maintenance Shampoo
Water
Neutral
#1Leading
#1Leading
Sodium Cocoyl Isethionate
Cleanses
#2Leading
#3Leading
Cocamidopropyl Hydroxysultaine
Cleanses
#4Supporting
#7Supporting
Acrylates Copolymer
Holds
#7Supporting
#9Secondary
Glycerin
Moisturizes
#8Supporting
#8Supporting
Fragrance
Fragrance
#48Below the 1% line
#14Below the 1% line
Limonene
Fragrance
#50Below the 1% line
#49Below the 1% line

What only one of them carries

ANGEL.WASH

Nº.4FINE Bond Maintenance Shampoo

Full ingredient list — ANGEL.WASH (53)
Full ingredient list — Nº.4FINE Bond Maintenance Shampoo (52)

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.

VerdictsANGEL.WASHNº.4FINE Bond Maintenance Shampoo
Supported
0
1
Partly supported
1
0
Stated by brand
0
2
Potential conflict
0
0

ANGEL.WASH

  • delicate ANGEL.WASH volumising shampoo will nourish and transform fine, fragile hairPartly supportedNeutral on lift.

Nº.4FINE Bond Maintenance Shampoo

  • CLINICALLY PROVEN TO VOLUMIZE AND STRENGTHEN FINE HAIRStated by brandOnly the brand’s testing shows this.
  • Doubles hair volume, adding body, bounce, and lift at the rootSupportedLeaves room for lift.
  • 60% reduction in breakage (as system with Nº.5FINE conditioner, tested on bleached hair)Stated 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 volume. Kevin Murphy ANGEL.WASH draws complaints about the packaging; Olaplex Nº.4FINE Bond Maintenance Shampoo draws complaints about how it cleanses.

ANGEL.WASH

Delivers hydration without weighing hair down and performs reliably across fine and bleached hair types, per a stylist reviewer.

fine/bleached hair, salon-professional review

Noticeably thickens and adds volume to hair without an overly airy or flyaway feel, drawing repeat compliments.

fine hair

Only a small (coin-sized) amount is needed per wash, which reviewers with fine, colour-treated hair feel justifies the price over time.

fine, colour-treated hair

Thick, rigid bottle design makes the product awkward to dispense despite the stylized packaging.

general users

Fragrance is divisive: some reviewers find it pungent or overpowering while others describe it as fresh and sweet.

general users, personal scent sensitivity

Nº.4FINE Bond Maintenance Shampoo

Reviewers frequently describe the scent as pleasant and the hair as feeling clean after rinsing

Fine-hair users report genuine added volume and fullness without the weigh-down common to richer shampoos

fine/thin hair users

Users recovering from damaged or over-processed hair report visible softness and shine improvement after weeks of consistent use

chemically damaged/over-processed hair

A minority of reviewers describe a thin, low-lather texture that requires more product or a second wash to feel fully clean

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.

$2.71/oz vs $4.38/oz — Kevin Murphy ANGEL.WASH costs about 1.6× more per ounce than Olaplex Nº.4FINE Bond Maintenance Shampoo.

$0.00/oz median $1.48/oz $17.29/oz $4.38/oz ANGEL.WASH $2.71/oz Nº.4FINE Bond Maintenance

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

Value readANGEL.WASHNº.4FINE Bond Maintenance 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.

ANGEL.WASH vs Hydrating ShampooMoroccanoil · 96% function matchNº.4FINE Bond Maintenance Shampoo vs Sensories Smoother Passionflower & Aloe Smoothing ShampooRusk · 98% function matchANGEL.WASH vs Curl ShampooVirtue Labs · 95% function matchNº.4FINE Bond Maintenance Shampoo vs Color Security ShampooColor Wow · 97% function matchANGEL.WASH vs Curl Talk Bond Building ShampooNot Your Mother's · 94% function matchNº.4FINE Bond Maintenance Shampoo vs Hooked 100% Clean Shampoo for Curly HairColor Wow · 97% function matchANGEL.WASH vs Pay Day ShampooIGK Hair · 94% function matchNº.4FINE Bond Maintenance Shampoo vs Flourish Shampoo for Thinning HairVirtue Labs · 94% function match

ANGEL.WASH · Nº.4FINE Bond Maintenance 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.
  • 11 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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