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Side by side

Act+Acre 1% Vitamin B-5 Fine Hair Conditioner vs Olaplex Nº.5CURL Bond Shaper Hydrating Curl Conditioner

91% function match · 8 of the 10 functions we compared match Formula overlap 29%. Act+Acre 1% Vitamin B-5 Fine Hair Conditioner and Olaplex Nº.5CURL Bond Shaper Hydrating Curl 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.

  • 1% Vitamin B-5 Fine Hair Conditioner — fragrance-free
  • Nº.5CURL Bond Shaper Hydrating Curl 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
Act+Acre

1% Vitamin B-5 Fine Hair Conditioner

  • Conditioner
  • Salon
  • Sulfate-free
  • Silicone-free
Olaplex Nº.5CURL Bond Shaper Hydrating Curl Conditioner — 8.45 oz container Olaplex

Nº.5CURL Bond Shaper Hydrating Curl Conditioner

  • Conditioner
  • Prestige
  • Sulfate-free
  • Silicone-free
Price, size & price per ounce
$32 10 oz · $3.20/oz
$16 3.38 oz · $4.73/oz

Compared at different sizes — 10 oz against 3.38 oz. Per-ounce prices favour the larger bottle.

Value / price positioning
Priced above most conditioners $$$$$ Salon tier · costs more than 76% of the 689 conditioners we’ve priced
Same job for less elsewhere $$$$$ Prestige tier · costs more than 89% 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
Wavy–Coily The brand’s own claims name curly or textured hair. 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
Low Oils are present, but low enough to be a finishing touch. Your hair
Low Oils are present, but low enough to be a finishing touch. 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 Differs
Light Water-first and light: unlikely to flatten fine hair. Your hair
Medium Middle of the range — noticeable on fine hair, light on coarse hair. Your hair
Fragrance
None listed No fragrance is listed. 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 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
  • Fragrance-freeno fragrance (parfum) on the label — scented
  • 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
  • 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
  • Silicone-free routinesno silicones appear in the list
Why you might skip it
  • Scents bother youthis product carries a scent
  • Stretching wash dayswaxes stay until a detergent wash removes them
  • Dry or very humid airwhere heavy humectants work against you
  • Scents bother youthis product carries a scent
  • Stretching wash dayswaxes stay until a detergent wash removes them
  • Dry or very humid airwhere heavy humectants work against you
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
Essential Hydration System
Nº.4CURL/Nº.5CURL Bond Shaper
Where to buy
Brand website
Brand website
Free of
  • sulfate-free
  • silicone-free
  • fragrance-free
  • curly-method compatible
  • sulfate-free
  • silicone-free
  • curly-method compatible
Scent
—
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

Ingredient1% Vitamin B-5 Fine Hair ConditionerNº.5CURL Bond Shaper Hydrating Curl Conditioner
Water
Neutral
#1Leading
#1Leading
Glycerin
Moisturizes
#2Leading
#3Leading

What only one of them carries

1% Vitamin B-5 Fine Hair Conditioner

Nº.5CURL Bond Shaper Hydrating Curl Conditioner

Full ingredient list — 1% Vitamin B-5 Fine Hair Conditioner (55)
Full ingredient list — Nº.5CURL Bond Shaper Hydrating Curl Conditioner (62)

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.

Verdicts1% Vitamin B-5 Fine Hair ConditionerNº.5CURL Bond Shaper Hydrating Curl Conditioner
Supported
1
2
Partly supported
0
0
Stated by brand
2
2
Potential conflict
0
0

1% Vitamin B-5 Fine Hair Conditioner

  • Restores hair healthStated by brandCan’t be confirmed from label.
  • Moisturizes + reduces frizzSupportedHelps hair feel hydrated.
  • Protects against environmental damageStated by brandCan’t be confirmed from label.

Nº.5CURL Bond Shaper Hydrating Curl Conditioner

  • Instantly strong, infinitely defined, 7-day hydrated curlsSupportedHelps hair feel hydrated.
  • Clinically proven: stronger hair/less breakage in 1 use; defined curl pattern in 1 useStated by brandOnly the brand’s testing shows this.
  • 50% less frizz in high humidity; 96% agree hair was easier to detangleStated by brandOnly the brand’s testing shows this.
  • Seals the cuticle to lock in hydration and block out damage and frizzSupportedHelps 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. Olaplex Nº.5CURL Bond Shaper Hydrating Curl Conditioner draws complaints about weight and breakage.

1% Vitamin B-5 Fine Hair Conditioner

Used by reviewers with oilier scalps who shampoo less frequently but condition regularly

reviewers with oil-prone scalp

Works well as a pair with the Balancing Shampoo for both hair type and scalp care

Travel-size format specifically praised as convenient

Reviewers say it moisturizes both hair and scalp effectively

Nº.5CURL Bond Shaper Hydrating Curl Conditioner

Reviewers with curly hair describe the conditioner as rich and moisturizing yet rinsing out cleanly without weighing curls down

curly-hair reviewers

Reviewers using the full Nº.4/Nº.5 curl system together report improved curl definition and reduced frizz, including on chemically-altered or post-chemo curl texture

reviewers with atypical/newly-curly hair texture

Reviewers report hair feels noticeably softer, more hydrated, and easier to detangle/comb through after use

A minority of reviewers report disappointment relative to Olaplex's core Bond Maintenance line, describing hair left feeling coarse/hay-like

Some reviewers with low-porosity or fine/oily hair report the system feels heavy or greasy and does not work well for their hair type

low-porosity/fine or oily hair reviewers

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.

$3.20/oz vs $4.73/oz — Olaplex Nº.5CURL Bond Shaper Hydrating Curl Conditioner costs about 1.5× more per ounce than Act+Acre 1% Vitamin B-5 Fine Hair Conditioner.

$0.09/oz median $1.60/oz $56.25/oz $3.20/oz 1% Vitamin B-5 Fine Hair C $4.73/oz Nº.5CURL Bond Shaper Hydra

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

Value read1% Vitamin B-5 Fine Hair ConditionerNº.5CURL Bond Shaper Hydrating Curl Conditioner
Label
Priced above most conditionersCosts more per ounce than most conditioners; nothing in our library matches it closely for less.
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.

1% Vitamin B-5 Fine Hair Conditioner vs Nº.5FINE Bond Maintenance ConditionerOlaplex · 96% function matchNº.5CURL Bond Shaper Hydrating Curl Conditioner vs SOFT BOUNCE NATURAL TEXTURE & CURL CONDITIONERR+Co · 98% function match1% Vitamin B-5 Fine Hair Conditioner vs SOFT BOUNCE NATURAL TEXTURE & CURL CONDITIONERR+Co · 93% function matchNº.5CURL Bond Shaper Hydrating Curl Conditioner vs Scalp Remedy ConditionerVirtue Labs · 98% function match1% Vitamin B-5 Fine Hair Conditioner vs Daily Hydro™ Hydrating ConditionerAct+Acre · 92% function matchNº.5CURL Bond Shaper Hydrating Curl Conditioner vs DAMAGE SHIELD Protective ConditionerK18 · 96% function match1% Vitamin B-5 Fine Hair Conditioner vs Rosemary Repel ConditionerFairy Tales · 92% function matchNº.5CURL Bond Shaper Hydrating Curl Conditioner vs Plumping Deep ConditionerMelanin Haircare · 95% function match

1% Vitamin B-5 Fine Hair Conditioner · Nº.5CURL Bond Shaper Hydrating Curl 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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