Side by side
KilgourMD The Prevention Scalp Serum vs SEEN Restore Scalp Serum, Fragrance Free
92% function match · 6 of the 7 functions we compared match Formula overlap 7%. KilgourMD The Prevention Scalp Serum and SEEN Restore Scalp Serum, Fragrance Free share 3 ingredients among each other's most prominent.
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.
- The Prevention Scalp Serum — flaking scalps
- Restore Scalp Serum, Fragrance Free — fragrance-free
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”.
- Flaking scalpsthis carries an over-the-counter active
- Dry, thirsty hairhumectants and emollients both sit up front
- Fragrance-freeno fragrance (parfum) on the label
- Protein-sensitive hairthat stiffens when protein is added
- Dry, thirsty hairhumectants and emollients both sit up front
- Silicone-free routinesno silicones appear in the list
- Very dry or damaged hairit contains fast-drying alcohol
- Dry or very humid airwhere heavy humectants work against you
- Non-medicated routinesthis is an over-the-counter drug as well as a cosmetic
- 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
More facts about each one
- sulfate-free
- silicone-free
- fragrance-free
- protein-free
- curly-method compatible
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.
$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
What only one of them carries
The Prevention Scalp Serum
Restore Scalp Serum, Fragrance Free
- Propanediol Caprylate
- Sarcosine
- C13-15 Alkane
- Ethylhexyl Olivate
- Squalane
- Arginine
Full ingredient list — The Prevention Scalp Serum (36)
-
1
Water
- solvent
-
2
Propanediol
- humectant
- solvent
-
3
Ascorbic Acid
- antioxidant
- vitamin
-
4
Phospholipids
- emollient
- emulsifier
- Below about this point, order stops being meaningful — these are typically used at 1% or less.
-
5
Ascorbyl Palmitate
- antioxidant
-
6
Butylene Glycol
- humectant
- solvent
- 7 Dextran
- 8 Acetyl Tetrapeptide-3
-
9
Trifolium Pratense Flower Extract
- botanical extract
-
10
PPG-26-Buteth-26
- emulsifier
- solubilizer
-
11
PEG-40 Hydrogenated Castor Oil
- solubilizer
- emulsifier
-
12
Apigenin
- botanical extract
- antioxidant
-
13
Oleanolic Acid
- botanical extract
-
14
Biotinoyl Tripeptide-1
- vitamin
- protein
-
15
Glycerin
- humectant
- 16 Pisum Sativum Sprout Extract
-
17
Phenoxyethanol
- preservative
-
18
Sodium Benzoate
- preservative
-
19
Oryza Sativa Extract
- botanical extract
-
20
Panthenol
- humectant
- conditioning agent
- vitamin
-
21
Ocimum Basilicum Hairy Root Culture Extract
- botanical extract
-
22
Alcohol Denat.
- drying alcohol
- solvent
-
23
Dimethyl Isosorbide
- solvent
-
24
Ethylhexylglycerin
- preservative
- emollient
-
25
Tocopheryl Acetate
- antioxidant
- vitamin
-
26
Bisabolol
- conditioning agent
- botanical extract
- 27 Ferulic Acid
-
28
Polyacrylate Crosspolymer-6
- thickener
- polymer
- film former
-
29
Piroctone Olamine
- active
-
30
Sodium Phytate
- hard-water chelator
- 31 Resveratrol
-
32
Saccharomyces/Zinc Ferment
- botanical extract
-
33
Saccharomyces/Copper Ferment
- botanical extract
-
34
Saccharomyces/Magnesium Ferment
- botanical extract
-
35
Saccharomyces/Iron Ferment
- botanical extract
-
36
Saccharomyces/Silicon Ferment
- botanical extract
Full ingredient list — Restore Scalp Serum, Fragrance Free (14)
-
1
Water
- solvent
-
2
Glycerin
- humectant
-
3
Propanediol Caprylate
- light ester
- emollient
-
4
Sarcosine
- amino acid
-
5
C13-15 Alkane
- emollient
- solvent
-
6
Ethylhexyl Olivate
- light ester
- emollient
-
7
Squalane
- emollient
- conditioning agent
-
8
Arginine
- amino acid
- humectant
- Below about this point, order stops being meaningful — these are typically used at 1% or less.
-
9
Tocopherol
- antioxidant
- vitamin
-
10
Bisabolol
- conditioning agent
- botanical extract
-
11
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
- thickener
- polymer
- film former
-
12
Phenoxyethanol
- preservative
-
13
Ethylhexylglycerin
- preservative
- emollient
-
14
Sodium Phytate
- hard-water chelator
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.
The Prevention Scalp Serum
Reduce the appearance of thinning
Stated by brandNot something a label can show.Fuller-looking hair
Stated by brandNot something a label can show.
Restore Scalp Serum, Fragrance Free
Relieves dry scalp
Stated by brandCan’t be confirmed from label.Reduce the appearance of flakes and irritation
Stated by brandSoothing, not an active treatment.Non-comedogenic
Stated by brandCan’t be confirmed from label.Color-Safe
SupportedLess fade per wash.
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.
The Prevention Scalp Serum
No review themes researched for this product yet.
Restore Scalp Serum, Fragrance Free
Many reviewers with dry, itchy or irritated scalps say the serum soothes discomfort and noticeably reduces itching with regular use.
reviewers with dry/itchy/dermatitis-prone scalpsA few reviewers specifically value that it's fragrance-free, useful for sensitive scalps and for those who switched from salon brands that left their scalp irritated.
fragrance-sensitive reviewersSeveral reviewers say it is lightweight, absorbs quickly, and doesn't leave hair or scalp feeling greasy or oily.
general reviewersSome reviewers say results take a few weeks of consistent use to fully judge, rather than being immediate.
recent/new usersPrice 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.
Restore Scalp Serum, Fragrance Free
Against 161 scalp treatments with a computable unit price.
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.
The Prevention Scalp Serum · Restore Scalp Serum, Fragrance Free · 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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