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Side by side

dpHUE Apple Cider Vinegar Overnight Hydrating Hair Serum vs Wella ULTIMATE SMOOTH Silky Milk

82% function match · 9 of the 12 functions we compared match Formula overlap 59%. dpHUE Apple Cider Vinegar Overnight Hydrating Hair Serum and Wella ULTIMATE SMOOTH Silky Milk 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.

  • Apple Cider Vinegar Overnight Hydrating Hair Serum — protein-sensitive hair
  • ULTIMATE SMOOTH Silky Milk — 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
dpHUE Apple Cider Vinegar Overnight Hydrating Hair Serum — container dpHUE

Apple Cider Vinegar Overnight Hydrating Hair Serum

  • Finisher
  • Salon
  • Sulfate-free
  • Protein-free
Wella ULTIMATE SMOOTH Silky Milk — 3.3 oz container Wella

ULTIMATE SMOOTH Silky Milk

  • Finisher
  • Prestige
  • Sulfate-free
  • Protein-free
Price, size & price per ounce
$38
$30 3.3 oz · $12.12/oz
Value / price positioning
Not enough priced serums to place it Salon tier
Priced above most anti-frizz finishers $$$$$ Prestige tier · costs more than 86% of the 23 anti-frizz finishers 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
Shine system Differs
High A silicone or oil blend does the shine work here. Your hair
Moderate Light esters or a volatile carrier: shine with little residue. Your hair
Slip / detangling
Moderate Conditioning agents are present, lower in the list. 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
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
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
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
Moderate Your hair
Moderate Your hair
Oils and butters Differs
Present, high in the list Oils sit high in the list — a softening, coating formula. Your hair
Present, lower down Oils are present, but low enough to be a finishing touch. Your hair
Fast-drying alcohol Same
None No fast-drying alcohol in the list. Your hair
None No fast-drying alcohol 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
  • Dry, thirsty hairhumectants and emollients both sit up front
  • Dull-looking haira recognised shine system is present
  • Very dry hairno fast-drying alcohol in the list
  • 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
  • Dull-looking haira recognised shine system is present
Why you might skip it
  • Scents bother youthis product carries a scent
  • Curly-method routinesthese silicones need a detergent to remove
  • Tight budgetsit sits in the upper price tiers
  • Scents bother youthis product carries a scent
  • Curly-method routinesthese silicones need a detergent to remove
  • 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
Finisherserum
Finisher
Where to buy
Ulta · Brand website
Brand website · Salons · Specialty beauty
Free of
  • sulfate-free
  • protein-free
  • sulfate-free
  • protein-free
Cruelty-free
—
Not cruelty-free · PETA-listed
Scent
Scented, not described
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

IngredientApple Cider Vinegar Overnight Hydrating Hair SerumULTIMATE SMOOTH Silky Milk
Water
Neutral
#1Leading
#1Leading
Cetearyl Alcohol
Shine
#2Leading
#3Leading
Dimethicone
Buildup
#3Leading
#6Supporting
Panthenol
Detangles
#5Supporting
#12Below the 1% line
Fragrance
Fragrance
#16Below the 1% line
#16Below the 1% line
Coco-Caprylate/Caprate
Shine
#10Below the 1% line
#4Supporting

What only one of them carries

Apple Cider Vinegar Overnight Hydrating Hair Serum

ULTIMATE SMOOTH Silky Milk

Full ingredient list — Apple Cider Vinegar Overnight Hydrating Hair Serum (16)
Full ingredient list — ULTIMATE SMOOTH Silky Milk (64)

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.

VerdictsApple Cider Vinegar Overnight Hydrating Hair SerumULTIMATE SMOOTH Silky Milk
Supported
0
2
Partly supported
0
0
Stated by brand
0
1
Potential conflict
0
0

Apple Cider Vinegar Overnight Hydrating Hair Serum

No claims recorded for this product beyond the ones above.

ULTIMATE SMOOTH Silky Milk

  • 24/7 SILKY MILK, a non-greasy lightweight, anti frizz hair product for smoothness anytime & anywhereSupportedSmoother strands, less frizz.
  • Smoothness lasts up to 3 daysStated by brandCan’t be confirmed from label.
  • Provides humidity protection, UV protection, and heat protection up to 450°FSupportedSmoother strands, less frizz.

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.

Apple Cider Vinegar Overnight Hydrating Hair Serum

Despite the apple cider vinegar name, reviewers remark with surprise that it does not smell of vinegar, describing a light pleasant scent instead of the salad-dressing smell they had braced for.

A recurring minority report no hydration benefit at all, saying their hair felt the same or actually drier by morning, and a smaller group within them describe it drying stiff or sticky or leaving little clumps of product in the hair.

Reviewers repeatedly note that it soaks in overnight and leaves nothing on the pillowcase, which several say was the exact worry that had kept them from trying a leave-on treatment worn to bed.

The complaints cluster by hair type: reviewers with fine, thin or already-oily hair describe greasy, stringy or weighed-down roots by morning even using the smallest amount, while thick and coarse-haired reviewers report the opposite and several explicitly recommend it only for thicker hair.

The most common positive account is waking to hair that is noticeably softer and smoother than usual, with fewer tangles, easier morning brushing and less overnight frizz than the reviewer's normal second day.

ULTIMATE SMOOTH Silky Milk

Multiple reviewers say it visibly reduces frizz and leaves noticeable shine after use.

general reviewers

The scent is called subtle and pleasant and several reviewers say it lasts in the hair for a long time.

general reviewers

Several reviewers apply it to dry ends between washes as well as after washing and report it still tames flyaways without weighing hair down.

reviewers with dry ends

Reviewers repeatedly say it softens hair and makes it much easier to comb through without any heavy or sticky residue.

general reviewers on the brand's German storefront

One reviewer with severely damaged, postpartum hair found it only partly tamed her hair, though it still didn't leave it greasy.

reviewer describing very damaged hair

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.

ULTIMATE SMOOTH Silky Milk

Against 23 anti-frizz finishers with a computable unit price.

Value readApple Cider Vinegar Overnight Hydrating Hair SerumULTIMATE SMOOTH Silky Milk
Label
Not enough priced serums to place itWe need more comparable products before we can place this.
Priced above most anti-frizz finishersCosts more per ounce than most anti-frizz finishers; nothing in our library matches it closely for less.

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.

Apple Cider Vinegar Overnight Hydrating Hair Serum vs Mending Infusion Styling Hair SerumMoroccanoil · 84% function matchULTIMATE SMOOTH Silky Milk vs Chroma Absolu Serum Chroma ThermiqueKerastase · 89% function matchApple Cider Vinegar Overnight Hydrating Hair Serum vs Weightless Shine Air Dry CrèmeKRISTIN ESS HAIR · 84% function matchULTIMATE SMOOTH Silky Milk vs Bright Blonde Essential Priming SerumOribe · 86% function matchApple Cider Vinegar Overnight Hydrating Hair Serum vs Butter Cream Daily Moisturizertgin · 80% function matchULTIMATE SMOOTH Silky Milk vs Weightless Shine Air Dry CrèmeKRISTIN ESS HAIR · 84% function matchApple Cider Vinegar Overnight Hydrating Hair Serum vs Bright Blonde Essential Priming SerumOribe · 80% function matchULTIMATE SMOOTH Silky Milk vs Frizz Ease Secret Weapon Finishing CrèmeJohn Frieda · 84% function match

Apple Cider Vinegar Overnight Hydrating Hair Serum · ULTIMATE SMOOTH Silky Milk · All serums 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.
  • 7 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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