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Side by side

Act+Acre 4% Niacinamide Scalp Serum for Oily Scalp + Hair vs CÉCRED Restoring Hair & Edge Drops XL

99% function match · 7 of the 7 functions we compared match Formula overlap 27%. Act+Acre 4% Niacinamide Scalp Serum for Oily Scalp + Hair and CÉCRED Restoring Hair & Edge Drops XL share 1 ingredient 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.

  • Restoring Hair & Edge Drops XL — protein-hungry 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
Act+Acre 4% Niacinamide Scalp Serum for Oily Scalp + Hair — 2.2 oz container Act+Acre

4% Niacinamide Scalp Serum for Oily Scalp + Hair

  • Scalp treatment
  • Prestige
CÉCRED

Restoring Hair & Edge Drops XL

  • Scalp treatment
  • Prestige
Price, size & price per ounce
about $68 2.2 oz · $30.91/oz
$98 3.38 oz · $28.99/oz
Value / price positioning
Same job for less elsewhere $$$$$ Prestige tier · costs more than 92% of the 154 scalp treatments we’ve priced
Same job for less elsewhere $$$$$ Prestige tier · costs more than 89% of the 154 scalp treatments 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
Slip / detangling Same
Little Nothing here is built to reduce combing force. Your hair
Little Nothing here is built to reduce combing force. 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
Fragrance
—
Present Fragrance is listed; it sits below the working ingredients. Your hair
Protein
—
Prominent Protein high in the list — a strengthening formula, not a moisture one. 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
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
A simple formula
out of 10
A simple formula
Who should choose this
—
  • Protein-hungry hairthat stretches and stays stretched when wet
Why you might skip it
  • Dry or very humid airwhere heavy humectants work against you
  • Tight budgetsit sits in the upper price tiers
  • Picking it up locallywe have it recorded in one channel only
  • Scents bother youthis product carries a scent
  • Protein-sensitive hairthat goes stiff or straw-like on protein
  • 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
Scalp treatmentserum
Scalp treatmentserum
Where to buy
Brand website
Brand website
Vegan
—
Not vegan · brand states
Cruelty-free
—
Cruelty-free · brand states
Scent
—
Scented, not described
How often
—
as needed

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

Ingredient4% Niacinamide Scalp Serum for Oily Scalp + HairRestoring Hair & Edge Drops XL
Water
Neutral
#1Leading
#1Leading
Propanediol
Moisturizes
#3Leading
#2Leading
Glycerin
Moisturizes
#5Supporting
#4Supporting
Potassium Sorbate
Stabilizes
#19Below the 1% line
#27Below the 1% line

What only one of them carries

4% Niacinamide Scalp Serum for Oily Scalp + Hair

Restoring Hair & Edge Drops XL

Full ingredient list — 4% Niacinamide Scalp Serum for Oily Scalp + Hair (19)
Full ingredient list — Restoring Hair & Edge Drops XL (30)

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.

Verdicts4% Niacinamide Scalp Serum for Oily Scalp + HairRestoring Hair & Edge Drops XL
Supported
0
0
Partly supported
0
0
Stated by brand
4
4
Potential conflict
0
0

4% Niacinamide Scalp Serum for Oily Scalp + Hair

  • Control excess oil + odorStated by brandCan’t be confirmed from label.
  • Balances scalp pH to stop oil production before it beginsStated by brandCan’t be confirmed from label.
  • Extends time between washesStated by brandCan’t be confirmed from label.
  • Stabilizes the scalp to be less oily over timeStated by brandCan’t be confirmed from label.

Restoring Hair & Edge Drops XL

  • Clinically tested to visibly boost hair density by 1.5xStated by brandOnly the brand’s testing shows this.
  • Restores fuller-looking hair and edges without buildupStated by brandNot something a label can show.
  • Dermatologist testedStated by brandOnly the brand’s testing shows this.
  • Formulated without silicones, SLS/SLES, phthalates, or parabensStated 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.

Both praised for a light feel.

4% Niacinamide Scalp Serum for Oily Scalp + Hair

Reviewers describe the texture as lightweight and fast-absorbing, not leaving hair weighed down or greasy despite treating an oily scalp

reviewers commenting on how the serum feels in the hair after application

Many reviewers say the serum lets them go noticeably longer between washes by cutting down scalp oil

reviewers with oily scalps tracking their wash frequency

Several reviewers report their scalp and hair feel generally healthier and stronger with continued use, beyond just oil control

reviewers using the serum for a few weeks or longer

Restoring Hair & Edge Drops XL

Reviewers describe the texture as lightweight and non-greasy, saying it absorbs quickly without weighing hair down.

general reviewers

The scent is repeatedly singled out as a highlight, with several reviewers comparing it to a perfume.

general reviewers

Many reviewers report visible improvement in edge and hairline density after weeks to months of consistent daily use, including thinning tied to menopause, postpartum shedding, medication-related loss or braid/loc breakage.

customers with thinning edges from a range of causes

At least one long-term user noted results plateaued after the first year and questioned whether the directed daily-use frequency is realistic for those who do not wash their hair every day.

a long-term user

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.

$28.99/oz vs $30.91/oz — within about the same cost per ounce.

$1.25/oz median $7.19/oz $55.03/oz $30.91/oz 4% Niacinamide Scalp Serum $28.99/oz Restoring Hair & Edge Drop

Every mark sits on one distribution because these are compared against the same set: 154 scalp treatments with a computable unit price.

Value read4% Niacinamide Scalp Serum for Oily Scalp + HairRestoring Hair & Edge Drops XL
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.

4% Niacinamide Scalp Serum for Oily Scalp + Hair vs Daily Hydro Scalp Serum with Hyaluronic AcidAct+Acre · 99% function matchRestoring Hair & Edge Drops XL vs Scalp SerumDivi · 99% function match4% Niacinamide Scalp Serum for Oily Scalp + Hair vs Scalp SerumDivi · 99% function matchRestoring Hair & Edge Drops XL vs Scalp Sync Purifying & Exfoliating ConcentrateBiolage · 99% function match4% Niacinamide Scalp Serum for Oily Scalp + Hair vs The Treatment Scalp SerumKilgourMD · 99% function matchRestoring Hair & Edge Drops XL vs Scalp-Serum: Cooling Greens Exfoliating Scalp TreatmentBread Beauty Supply · 99% function match4% Niacinamide Scalp Serum for Oily Scalp + Hair vs Scalp Sync Purifying & Exfoliating ConcentrateBiolage · 99% function matchRestoring Hair & Edge Drops XL vs ProGrowth + Peptide Hair Strengthening Scalp SerumOGX · 93% function match

4% Niacinamide Scalp Serum for Oily Scalp + Hair · Restoring Hair & Edge Drops XL · All scalp treatments 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.
  • 5 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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