Skip to main content

Side by side

Ceremonia Guava Leave-In Conditioner vs Kristin Ess The One 12-in-1 Leave-In Primer

86% function match · 7 of the 10 functions we compared match Formula overlap 28%. Ceremonia Guava Leave-In Conditioner and Kristin Ess The One 12-in-1 Leave-In Primer share 3 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.

  • Guava Leave-In Conditioner — heat styling
  • The One 12-in-1 Leave-In Primer — heat styling

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
Ceremonia Guava Leave-In Conditioner — brand photograph Ceremonia

Guava Leave-In Conditioner

  • Leave-in
  • Masstige
  • Sulfate-free
  • Silicone-free
Kristin Ess The One 12-in-1 Leave-In Primer — brand photograph Kristin Ess

The One 12-in-1 Leave-In Primer

  • Leave-in
  • Drugstore
  • Sulfate-free
  • Silicone-free
Price, size & price per ounce
$30 6.7 oz
$15 5 oz · $3.09/oz
Value / price positioning
Not enough priced leave-ins to place it Masstige tier
Upper-mid price for a leave-in $$$$$ Drugstore tier · costs more than 55% of the 553 leave-ins 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
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 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
Prominent Fragrance sits in the first eight ingredients — a larger share of the formula. Your hair
Prominent Fragrance sits in the first eight ingredients — a larger share of the formula. Your hair
Protein Differs
None No protein or amino acids in the list. Your hair
Minor Protein appears, low enough to be a supporting ingredient. 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
Heat protection
Claimed, no temperature given Sold as a heat protectant; no temperature is stated. Your hair
Stated to 450°F The brand states a protection temperature — a label claim, not a measurement. Your hair
Formula completeness
out of 10
Complete for its job
out of 10
Complete for its job
Who should choose this
  • Heat stylingthe brand positions this as a heat protectant
  • 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
  • Heat stylingthe brand states protection to 450°F
  • 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
Why you might skip it
  • Scents bother youthis product carries a strong scent
  • Hair that needs proteinthere is none in this list
  • Dry or very humid airwhere heavy humectants work against you
  • Scents bother youthis product carries a light scent
  • 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
Leave-incream
Leave-inmist
Where to buy
Brand website
Brand website · Target
Free of
  • sulfate-free
  • silicone-free
  • protein-free
  • curly-method compatible
  • sulfate-free
  • silicone-free
  • curly-method compatible
Vegan
Vegan · label states
Cruelty-free
Cruelty-free · PETA-listed
Cruelty-free · PETA-listed
Scent
FruityStrong
Scented, not described
Heat protection
Claimed, no temperature stated
up to 450°F

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

IngredientGuava Leave-In ConditionerThe One 12-in-1 Leave-In Primer
Water
Neutral
#1Leading
#1Leading
Glycerin
Moisturizes
#3Leading
#2Leading
Fragrance
Fragrance
#8Below the 1% line
#4Below the 1% line
Cetearyl Alcohol
Softens
#34Below the 1% line
#3Leading
Phenoxyethanol
Stabilizes
#11Below the 1% line
#7Below the 1% line
Ethylhexylglycerin
Softens
#17Below the 1% line
#15Below the 1% line
Sodium Benzoate
Stabilizes
#29Below the 1% line
#20Below the 1% line

What only one of them carries

Full ingredient list — Guava Leave-In Conditioner (37)
Full ingredient list — The One 12-in-1 Leave-In Primer (34)

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.

VerdictsGuava Leave-In ConditionerThe One 12-in-1 Leave-In Primer
Supported
1
3
Partly supported
0
1
Stated by brand
2
2
Potential conflict
0
0

Guava Leave-In Conditioner

  • Hydrates, fights frizz, and protects from heat and UV for soft, smooth, resilient strands.SupportedHelps hair feel hydrated.
  • Award-winningStated by brandPopularity, not performance.
  • 90%+ naturally derived ingredientsStated by brandOnly the brand’s testing shows this.

The One 12-in-1 Leave-In Primer

  • Miracle leave-in conditioner and primerStated by brandCan’t be confirmed from label.
  • Nourish, detangle, and protectSupportedHelps hair feel hydrated.
  • Multi-tasker: 12 benefits in an easy-to-use mistStated by brandCan’t be confirmed from label.
  • Heat protection up to 450FPartly supportedSold for hot tools; untestable here.
  • Cruelty free | color + keratin safe | veganSupportedMatches our researched record.
  • Free of sulfates, parabens, phthalates + siliconesSupportedGentler on colour and coils.

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, frizz control, and shine.

Guava Leave-In Conditioner

Reviewers describe hydration, softness, and added shine.

Credo reviewers; wavy, curly, and coily contexts

Frizz control and improved manageability are recurring benefits.

Credo reviewers

The strong guava fragrance is praised by some and causes sensitivity complaints for others.

Credo reviewers; scent-sensitive reviewer reported headache/nausea

Many wavy, curly, and fine-hair reviewers find it lightweight and non-greasy, though one fine-hair reviewer found it heavy.

Credo reviewers; fine, wavy, curly, and coily contexts

The One 12-in-1 Leave-In Primer

Keeps hair tangle-free for days when applied on wet hair before combing/drying

Prevents frizz and adds shine as a spray-format leave-in; subtle pleasant scent

Can feel heavy/oily and weigh hair down for some users, though others find it weightless and non-greasy

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.

The One 12-in-1 Leave-In Primer

Against 553 leave-ins with a computable unit price.

Value readGuava Leave-In ConditionerThe One 12-in-1 Leave-In Primer
Label
Not enough priced leave-ins to place itWe need more comparable products before we can place this.
Upper-mid price for a leave-inSits in the middle of the range for leave-ins per ounce.

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.

Guava Leave-In Conditioner · The One 12-in-1 Leave-In Primer · All leave-ins 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.
  • 9 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