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Side by side

Bumble and bumble Full Potential Hair Preserving Conditioner vs Kerastase Première Fondant Repairing Conditioner

92% function match · 8 of the 10 functions we compared match Formula overlap 17%. Bumble and bumble Full Potential Hair Preserving Conditioner and Kerastase Première Fondant Repairing 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.

  • Full Potential Hair Preserving Conditioner — maximum slip
  • Première Fondant Repairing Conditioner — maximum slip

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
Bumble and bumble Full Potential Hair Preserving Conditioner — 6.7 oz container Bumble and bumble

Full Potential Hair Preserving Conditioner

  • Conditioner
  • Salon
  • Sulfate-free
  • Lightweight
Kerastase

Première Fondant Repairing Conditioner

  • Conditioner
  • Prestige
  • Sulfate-free
  • Moisture-rich
Price, size & price per ounce
$38 6.7 oz · $5.67/oz
$52 6.76 oz · $7.69/oz
Value / price positioning
Same job for less elsewhere $$$$$ Salon tier · costs more than 92% of the 689 conditioners we’ve priced
Same job for less elsewhere $$$$$ Prestige tier · costs more than 98% 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 Same
High Humectants near the top — water-binding is a headline mechanism here. Your hair
High Humectants near the top — water-binding is a headline mechanism here. Your hair
Oils and butters Same
None No oils or butters in the list. Your hair
None No oils or butters in the list. 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
Light Water-first and light: unlikely to flatten fine 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
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 Differs
Chelators present Chelators are present — they bind hard-water and pool minerals. Your hair
None No chelating agent in the list. Your hair
Formula completeness
out of 10
Covers the core
out of 10
Complete for its job
Who should choose this
  • Maximum slipfor hair that tangles the moment it is wet
  • Fine hairthat flattens under most products
  • Sun and colour fadea UV filter is in the list
  • Maximum slipfor hair that tangles the moment it is wet
  • Dry, thirsty hairhumectants and emollients both sit up front
  • Fine hairthat flattens under most products
  • Matte, textured stylesabsorbent powders do the mattifying
Why you might skip it
  • 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
  • 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
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
Where to buy
Ulta · Brand website
—
Free of
  • sulfate-free
  • sulfate-free
Cruelty-free
Cruelty-free · PETA-listed
Not cruelty-free · PETA-listed
Scent
Fresh & airyStrong
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

IngredientFull Potential Hair Preserving ConditionerPremière Fondant Repairing Conditioner
Behentrimonium Chloride
Detangles
#3Leading
#7Supporting
Dimethicone
Buildup
#19Below the 1% line
#6Supporting
Water
Neutral
#45Below the 1% line
#1Leading
Cetearyl Alcohol
Softens
#13Below the 1% line
#3Leading
Limonene
Fragrance
#31Below the 1% line
#12Below the 1% line

What only one of them carries

Full Potential Hair Preserving Conditioner

Première Fondant Repairing Conditioner

Full ingredient list — Full Potential Hair Preserving Conditioner (46)
Full ingredient list — Première Fondant Repairing Conditioner (28)

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.

VerdictsFull Potential Hair Preserving ConditionerPremière Fondant Repairing Conditioner
Supported
0
0
Partly supported
2
0
Stated by brand
0
0
Potential conflict
0
0

Full Potential Hair Preserving Conditioner

  • nurturing conditioner for breakage-prone or thinning hairPartly supportedSupports the surface, not a treatment.
  • helps reduce breakage - for hair that is fuller, stronger, and stays with you longerPartly supportedSupports the surface, not a treatment.

Première Fondant Repairing Conditioner

No claims recorded for this product beyond the ones above.

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.

Bumble and bumble Full Potential Hair Preserving Conditioner draws complaints about the scent and the packaging.

Full Potential Hair Preserving Conditioner

Long-term repeat buyers (multi-year users) report it genuinely adds fullness/body and is a staple of their Full Potential routine, with a wish for a travel-size option.

long-term repeat users, thinning-hair-focused

Some reviewers report needing to use an unusually large amount per application, describing the product as thick/hard to spread and going through a bottle faster than expected.

general reviewer base

A recurring complaint is a strong, cologne-like or dated powdery fragrance that reviewers describe as overwhelming or unpleasant, several explicitly calling it a dealbreaker.

general reviewer base, multiple 1-star reviews

Ratings are notably polarized (aggregate 3.9/5 across 71 reviews) between strong fragrance objections and loyal long-term users who credit it for fuller-feeling, less breakage-prone hair.

general reviewer base

Première Fondant Repairing Conditioner

A recurring complaint from a smaller group of reviewers describes the whole pre-shampoo, shampoo, and conditioner system causing significant shedding or breakage, especially on fine or previously weakened hair.

Several reviewers say the fragrance is strong or perfume-like enough that they stopped using the product despite otherwise liking the results.

A few reviewers with balayage or highlighted hair say the line stripped or faded their color faster than expected.

Many reviewers with damaged, over-processed, or color-treated hair report it feels noticeably softer, smoother, and less broken after regular use.

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.

$5.67/oz vs $7.69/oz — Kerastase Première Fondant Repairing Conditioner costs about 1.4× more per ounce than Bumble and bumble Full Potential Hair Preserving Conditioner.

$0.09/oz median $1.60/oz $56.25/oz $5.67/oz Full Potential Hair Preser $7.69/oz Première Fondant Repairing

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

Value readFull Potential Hair Preserving ConditionerPremière Fondant Repairing Conditioner
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.

Full Potential Hair Preserving Conditioner vs Clean Beauty Repair ConditionerPaul Mitchell · 98% function matchPremière Fondant Repairing Conditioner vs Curl Quencher Moisturizing ConditionerOuidad · 97% function matchFull Potential Hair Preserving Conditioner vs Pro-V Miracles Bond Repair Keratin + Vitamin E ConditionerPantene · 95% function matchPremière Fondant Repairing Conditioner vs Intensive Repair ConditionerSachajuan · 97% function matchFull Potential Hair Preserving Conditioner vs Intensive Repair ConditionerSachajuan · 93% function matchPremière Fondant Repairing Conditioner vs Repair & Protect Bond Protein Lightweight ConditionerOGX · 95% function matchFull Potential Hair Preserving Conditioner vs Moisture ConditionerKirkland Signature · 91% function matchPremière Fondant Repairing Conditioner vs BC Bonacure Peptide Repair Rescue Spray ConditionerSchwarzkopf Professional · 95% function match

Full Potential Hair Preserving Conditioner · Première Fondant Repairing 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.
  • 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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