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Side by side

Biolage Full Rescue Conditioner vs Biolage Ultra Hydra Source Conditioner

80% function match · 7 of the 10 functions we compared match Formula overlap 54%. Biolage Full Rescue Conditioner and Biolage Ultra Hydra Source Conditioner share 2 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 Rescue Conditioner — protein-sensitive hair
  • Ultra Hydra Source 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
Biolage Full Rescue Conditioner — 33.8 oz container Biolage

Full Rescue Conditioner

  • Conditioner
  • Salon
  • Sulfate-free
  • Silicone-free
Biolage Ultra Hydra Source Conditioner — 33.8 oz container Biolage

Ultra Hydra Source Conditioner

  • Conditioner
  • Salon
  • Sulfate-free
  • Silicone-free
Price, size & price per ounce
$43–56 33.8 oz · $1.64/oz
$42 33.8 oz · $1.32/oz
Value / price positioning
Upper-mid price for a conditioner $$$$$ Salon tier · costs more than 52% of the 689 conditioners we’ve priced
Priced with its peers $$$$$ Salon tier · costs less than 57% 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
High Humectants near the top — water-binding is a headline mechanism here. Your hair
Oils and butters Differs
None No oils or butters in the list. Your hair
Moderate 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
Prominent Fragrance sits in the first eight ingredients — a larger share of the formula. 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 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
Moderate Your hair
Moderate Your hair
Hard-water defence Same
None No chelating agent in the list. Your hair
None No chelating agent in the list. Your hair
Formula completeness
out of 10
Complete for its job
out of 10
Complete for its job
Who should choose this
  • Protein-sensitive hairthat stiffens when protein is added
  • Maximum slipfor hair that tangles the moment it is wet
  • Dry, thirsty hairhumectants and emollients both sit up front
  • Curly-method routinesno sulfates and no water-insoluble silicones
  • Protein-sensitive hairthat stiffens when protein is added
  • Maximum slipfor hair that tangles the moment it is wet
  • Dry, thirsty hairhumectants and emollients both sit up front
  • Curly-method routinesno sulfates and no water-insoluble silicones
Why you might skip it
  • Scents bother youthis product carries a strong scent
  • Very dry or damaged hairit contains fast-drying alcohol
  • Hair that needs proteinthere is none in this list
  • Scents bother youthis product carries a scent
  • Very dry or damaged hairit contains fast-drying alcohol
  • 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
Conditioner
Conditioner
Line
Full Rescue
Ultra Hydra Source
Where to buy
Target · Salons · Brand website
Target · Salons · Brand website
Free of
  • sulfate-free
  • silicone-free
  • protein-free
  • curly-method compatible
  • sulfate-free
  • silicone-free
  • protein-free
  • curly-method compatible
Scent
Mint & herbalStrong
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 Rescue ConditionerUltra Hydra Source Conditioner
Water
Neutral
#1Leading
#1Leading
Cetearyl Alcohol
Softens
#2Leading
#2Leading
Behentrimonium Chloride
Detangles
#3Leading
#4Supporting
Fragrance
Fragrance
#8Below the 1% line
#7Below the 1% line
Isopropyl Alcohol
Drying
#10Below the 1% line
#8Below the 1% line
Limonene
Fragrance
#15Below the 1% line
#13Below the 1% line
Hexyl Cinnamal
Fragrance
#17Below the 1% line
#16Below the 1% line
Phenoxyethanol
Stabilizes
#12Below the 1% line
#6Below the 1% line
Coumarin
Fragrance
#18Below the 1% line
#17Below the 1% line

What only one of them carries

Full Rescue Conditioner

Ultra Hydra Source Conditioner

Full ingredient list — Full Rescue Conditioner (28)
Full ingredient list — Ultra Hydra Source Conditioner (23)

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 Rescue ConditionerUltra Hydra Source Conditioner
Supported
0
1
Partly supported
2
0
Stated by brand
1
2
Potential conflict
0
0

Full Rescue Conditioner

  • Detangle and densify hair for reduced breakagePartly supportedSupports the surface, not a treatment.
  • Instantly fuller-looking hair and scalp protectionStated by brandNot something a label can show.
  • Fortifies strands to prevent breakage from mechanical stressPartly supportedSupports the surface, not a treatment.

Ultra Hydra Source Conditioner

  • Delivers 6x more moisture after one useStated by brandOnly the brand’s testing shows this.
  • Provides 72 hours of moisture and frizz controlSupportedHelps hair feel hydrated.
  • Intensely conditions dry, thick, and coarse hairStated by brandCan’t be confirmed from label.

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.

Biolage Ultra Hydra Source Conditioner draws complaints about dryness and weight.

Full Rescue Conditioner

Multiple reviewers note a pleasant, not-too-strong rosemary scent

general users

Reviewers with fine or thinning hair report fuller-looking, bouncier hair and reduced hair fall/breakage after regular use with the paired shampoo

fine/thinning hair, some using in combination with the shampoo

Reviewers who used the discontinued Full Density line report the Full Rescue reformulation left hair drier, gummier, and less effective for hair loss/thinning than its predecessor

loyal users of the prior Full Density shampoo/conditioner line

Some reviewers find the bottle/packaging shape awkward to use (notably for reviewers with dexterity issues) despite liking the formula

users with dexterity concerns

A subset of reviewers in dry climates find it insufficiently moisturizing despite liking the scent and slip

users in dry climates

Ultra Hydra Source Conditioner

Some reviewers report the thick formula and bottle design make it hard to dispense (no pump, cap resists twisting)

general users

A subset of reviewers report skin irritation/rash or limp hair after use

reviewers reporting sensitivity

Long-time users of the discontinued Biolage Conditioning Balm / Hydra Therapie Hydra-Seal formulas report this reformulation is not the same and leaves hair drier, coarser, or less soft than the products it replaced

decades-long users of prior Biolage hydrating conditioner formulas

Reviewers frequently ask for the brand to bring back the prior formula/packaging rather than praising the current one

repeat Biolage hydrating-line customers

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.

$1.32/oz vs $1.64/oz — Biolage Full Rescue Conditioner costs about 1.2× more per ounce than Biolage Ultra Hydra Source Conditioner.

$0.09/oz median $1.60/oz $56.25/oz $1.64/oz Full Rescue Conditioner $1.32/oz Ultra Hydra Source Conditi

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

Value readFull Rescue ConditionerUltra Hydra Source Conditioner
Label
Upper-mid price for a conditionerSits in the middle of the range for conditioners per ounce.
Priced with its peersSits in the middle of the range for conditioners 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.

Full Rescue Conditioner vs Volume Injection ConditionerRedken · 100% function matchUltra Hydra Source Conditioner vs Glow Mania Color Protecting ConditionerMatrix · 100% function matchFull Rescue Conditioner vs Full ConditionerLiving Proof · 98% function matchUltra Hydra Source Conditioner vs Smooth Proof ConditionerBiolage · 100% function matchFull Rescue Conditioner vs Clinically Formulated Biotin ConditionerPura d'or · 96% function matchUltra Hydra Source Conditioner vs Symbiose Fondant Apaisant Essentiel ConditionerKerastase · 100% function matchFull Rescue Conditioner vs Ultra-Gentle Conditioner with Oat MilkKlorane · 96% function matchUltra Hydra Source Conditioner vs Elevate Weightless Volume ConditionerRusk · 100% function match

Full Rescue Conditioner · Ultra Hydra Source 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.
  • 10 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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