Skip to main content

Side by side

Alikay Naturals Moisturizing Black Soap Shampoo vs Living Proof Perfect Hair Day Dry Shampoo

78% function match · 9 of the 13 functions we compared match Formula overlap 0%. Alikay Naturals Moisturizing Black Soap Shampoo and Living Proof Perfect Hair Day Dry Shampoo share no ingredient among each other's most prominent — which does not stop them doing the same job.

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.

  • Moisturizing Black Soap Shampoo — colour-treated hair
  • Perfect Hair Day Dry Shampoo — colour-treated 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
Alikay Naturals Moisturizing Black Soap Shampoo — 8 oz container Alikay Naturals

Moisturizing Black Soap Shampoo

  • Shampoo
  • Masstige
  • Sulfate-free
  • Silicone-free
Living Proof Perfect Hair Day Dry Shampoo — container, alternate view Living Proof

Perfect Hair Day Dry Shampoo

  • Shampoo
  • Salon
  • Sulfate-free
  • Silicone-free
Price, size & price per ounce
$15.97 8 oz · $2.06/oz
$0.01 5.5 oz · $6.75/oz
Value / price positioning
Upper-mid price for a shampoo $$$$$ Masstige tier · costs more than 63% of the 817 shampoos we’ve priced
Priced above most shampoos $$$$$ Salon tier · costs more than 98% of the 817 shampoos we’ve priced
Best for hair types
Curly–Coily A heavy formula: coarse, curlier strands carry it without flattening. Your hair
All types Nothing in the formula or the claims narrows this to one pattern. Your hair
Moisture level Differs
High Humectants near the top — water-binding is a headline mechanism here. Your hair
Moderate Humectants in the working part of the formula. Your hair
Cleansing strength Same
None No detergent — the conditioners do the cleaning. Your hair
None No detergent — the conditioners do the cleaning. Your hair
Slip / detangling Differs
Little Nothing here is built to reduce combing force. Your hair
Moderate Conditioning agents are present, lower in the list. Your hair
Weight on hair
Rich Heavy butters and waxes in the first eight ingredients. Your hair
Light Water-first and light: unlikely to flatten fine 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
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
Expected lather Same
Little Very little foam; it is worked through rather than lathered. Your hair
Little Very little foam; it is worked through rather than lathered. Your hair
Scalp active Same
None No over-the-counter scalp active. Your hair
None No over-the-counter scalp active. 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
A simple formula
out of 10
Covers the core
Who should choose this
  • Colour-treated hairthat fades faster in a sulfate wash
  • Protein-sensitive hairthat stiffens when protein is added
  • Frequent washerswho want gentler cleansing
  • Dry, thirsty hairhumectants and emollients both sit up front
  • Colour-treated hairthat fades faster in a sulfate wash
  • Protein-sensitive hairthat stiffens when protein is added
  • Frequent washerswho want gentler cleansing
  • Curly-method routinesno sulfates and no water-insoluble silicones
Why you might skip it
  • Scents bother youthis product carries a scent
  • Oily scalp or fine hairthat gets weighed down
  • A squeaky-clean feelthis deliberately leaves conditioning behind
  • Scents bother youthis product carries a scent
  • Very dry or damaged hairit contains fast-drying alcohol
  • A squeaky-clean feelthis deliberately leaves conditioning behind
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
Shampoo
Shampooaerosol
Where to buy
Brand website
Brand website
Free of
  • sulfate-free
  • silicone-free
  • protein-free
  • curly-method compatible
  • sulfate-free
  • silicone-free
  • protein-free
  • curly-method compatible
Cruelty-free
Cruelty-free · PETA-listed
Scent
Woody & earthy
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

IngredientMoisturizing Black Soap ShampooPerfect Hair Day Dry Shampoo
Water
Neutral
#1Leading
#16Below the 1% line
Fragrance
Fragrance
#9Below the 1% line
#21Below the 1% line

What only one of them carries

Full ingredient list — Moisturizing Black Soap Shampoo (10)
Full ingredient list — Perfect Hair Day Dry Shampoo (38)

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.

VerdictsMoisturizing Black Soap ShampooPerfect Hair Day Dry Shampoo
Supported
0
1
Partly supported
0
0
Stated by brand
1
5
Potential conflict
1
0

Moisturizing Black Soap Shampoo

  • 100 percent natural, 90 percent organic, for all hair typesStated by brandSee the fit panel instead.
  • Great for taking down protective styles or weekly deep cleansesPotential conflictToo gentle for real build-up.

Perfect Hair Day Dry Shampoo

  • Absorbs oil, sweat and odorStated by brandCan’t be confirmed from label.
  • Actually cleans hair, not just masking oilStated by brandCan’t be confirmed from label.
  • Delivers a fresh, time-release scentStated by brandCan’t be confirmed from label.
  • Makes hair look, feel and smell cleanStated by brandCan’t be confirmed from label.
  • Delivers light texture and bodySupportedLeaves room for lift.
  • 1 Living Proof Dry Shampoo sold every 10 seconds (2025 global sales figure)Stated 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.

Alikay Naturals Moisturizing Black Soap Shampoo draws complaints about residue or cast and how it cleanses.

Moisturizing Black Soap Shampoo

Reviewer values that the formula is free of glycerin, a rarity noted as hard to find among comparable cleansers

one brand-site review

Lost much less hair than with regular shampoo; hair felt soft and moisturized even before conditioning

No lather or dryness like a regular shampoo; hair felt soft, natural oils not stripped

Did not clean scalp fully enough for reviewer; needed pairing with a clarifying shampoo to avoid buildup

Feels cool on application with an earthy smell; very liquidy, easy to over-dispense

Perfect Hair Day Dry Shampoo

Many describe it as genuinely absorbing oil and refreshing the scalp rather than just masking odor with fragrance.

Reviewers frequently mention a pleasant, long-lasting citrus scent that other people around them notice as well.

Several reviewers call it the best dry shampoo they have tried, citing consistent results with repeated use.

Reviewers repeatedly say it leaves no visible white residue or cast, even on darker or brunette 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.

$2.06/oz vs $6.75/oz — Living Proof Perfect Hair Day Dry Shampoo costs about 3.3× more per ounce than Alikay Naturals Moisturizing Black Soap Shampoo.

$0.00/oz median $1.47/oz $17.29/oz $2.06/oz Moisturizing Black Soap Sh $6.75/oz Perfect Hair Day Dry Shamp

Every mark sits on one distribution because these are compared against the same set: 817 shampoos with a computable unit price.

Value readMoisturizing Black Soap ShampooPerfect Hair Day Dry Shampoo
Label
Upper-mid price for a shampooSits in the middle of the range for shampoos per ounce.
Priced above most shampoosCosts more per ounce than most shampoos; 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.

Moisturizing Black Soap Shampoo · Perfect Hair Day Dry Shampoo · All shampoos 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.
  • 4 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.

Still unsure? Take your consultation or browse more products.

Your personalized hair plan

Tell us what’s going on with your hair, see what we understand, and get a plan built around it — with the reason behind every recommendation.

Free to start · $49.00 for your consultation and hair profile · No subscription · Nothing you must buy

Start your consultation