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IGK

Crybaby Anti-Frizz Smoothing Serum

Finisher / Serum, glossing

  • Finisher
  • serum
Size1.5 fl oz
Price$20.48seen at one store · 1.5 oz
Price / oz$13.65/ozat 1.5 oz

Scent:

The ingredient list declares fragrance. What it smells of is not stated, and we do not guess.

Listing used for research: amazon.com

Personal fit

Is this right for you?

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Upper-mid price for a serum

$13.65/oz at 1.5 oz — more than 68% of the 77 serums , which mostly run $3.25–14.50/oz. The cost less.

Price and stores

Great for

Dull-looking haira recognised shine system is present
Sun and colour fadea UV filter is in the list

Maybe skip if

this product carries a scent
Curly-method routinesthese silicones need a detergent to remove
Tight budgetsit sits in the upper price tiers

Whether a finisher this rich will read as shine or as grease depends on your strand thickness and oil rate — that is what the consultation works out.

What the formula actually does

Read from the label, not the marketing

Each row says where it comes from: F means we derived it from this product’s own ingredient list, S means it is a claim the brand makes that the formula neither confirms nor contradicts.

Shine system Silicone serum

A silicone or oil blend does the shine work here.

Oils and butters Present, high in the list

Oils sit high in the list — a softening, coating formula.

Needs detergent to remove Yes

Water-insoluble silicones or waxes: a detergent wash is what removes them.

Fragrance Prominent

Fragrance sits in the first eight ingredients — a larger share of the formula.

from the formula stated by the brand reported by reviewers Scale: 1 dot low · 5 dots high, within this product type.

Ingredients that matter

The ingredients that change a decision

The workhorse ingredients plus anything lower down that changes a decision. These chips name what an ingredient does — they are not safety scores, and no ingredient here is rated good or bad on its own.

IngredientWhat it doesWhy it mattersChip
Cyclopentasiloxane silicone The shine system Buildup
C12-15 Alkyl Benzoate light ester Light slip without much weight Shine
Dimethiconol silicone The shine system Buildup
Fragrance fragrance The scent Fragrance
Cocos Nucifera (Coconut) Oil oil A little oil for shine Shine
Carthamus Tinctorius (Safflower) Seed Oil oil A little oil for shine Shine
Opuntia Vulgaris Extract Neutral
Butyl Methoxydibenzoylmethane UV filter A trace UV filter Neutral
Benzyl Salicylate fragrance The scent Fragrance
Citral fragrance The scent Fragrance
Coumarin fragrance The scent Fragrance
Geraniol fragrance The scent Fragrance
What the list leaves out, and what it carriesContains fragrance. The silicones here need a detergent wash to come off.
Full ingredient list (17)

US labelling rules put ingredients above 1% in descending order of amount; below 1% they may be listed in any order. Annotations keep three readings separate: the ingredient's general function, its role in this product type, and what its position can support.

  • 1 Cyclopentasiloxane
    General function

    A light, fast-evaporating silicone that spreads other ingredients then leaves. It gives serums their weightless glide.

    Leading ingredient

    Listed in the first three ingredients, it is likely a structural part of this formula.

    May suitBuild-up-sensitive routines

    It leaves the hair by evaporating rather than by being washed off, so it is not part of what accumulates.

    May suitClimate-sensitive or frizz-prone hair

    A surface film slows how quickly humidity reaches the cortex, which is what limits swelling-driven frizz in damp air.

    May suitFine or easily flattened hair

    A cyclic silicone evaporates after it has spread the formula, so it carries the other ingredients without leaving weight behind.

    PubChem
    • silicone
    • emollient
  • 2 C12-15 Alkyl Benzoate
    General function

    A dry-feeling ester used for a silky, non-greasy finish - a common silicone substitute.

    Leading ingredient

    Listed in the first three ingredients, it is likely a structural part of this formula.

    May suitFine or easily flattened hair

    A light emollient: it softens the surface with noticeably less weight than an oil or a butter.

    May suitFrizz-prone, damaged, or high-friction hair

    Spreads thin and lowers friction between strands without the heaviness of a fixed oil.

    • light ester
    • emollient
  • 3 Dimethiconol
    General function

    A high-shine silicone often paired with dimethicone for a smoother, glossier finish.

    Leading ingredient

    Listed in the first three ingredients, it is likely a structural part of this formula.

    May suitClimate-sensitive or frizz-prone hair

    A surface film slows how quickly humidity reaches the cortex, which is what limits swelling-driven frizz in damp air.

    May suitFrizz-prone, damaged, or high-friction hair

    Lays a smooth film along the cuticle, which lowers combing friction and flattens the surface irregularities that read as frizz.

    May not suitBuild-up-sensitive routines

    Dimethicone does not disperse in water. On a routine that skips detergent it stays on the hair and accumulates wash after wash.

    PubChem
    • silicone
    • emollient
  • Below about this point, order stops being meaningful — these are typically used at 1% or less.
  • 4 Fragrance
    General function

    An undisclosed blend of scent ingredients. Regulations let it stay unlisted, so a fragrance-free product is the only way to be certain what is not in it.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    Declared fragrance. On a fragrance-sensitive routine this is the line that decides it, wherever it sits on the label.

    • fragrance
    • declared fragrance
  • 5 Cocos Nucifera (Coconut) Oil
    General function

    One of the few oils small enough to move into the strand, which is why it is used for pre-wash treatments. It can feel heavy or stiff on protein-sensitive hair.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May suitFrizz-prone, damaged, or high-friction hair

    A thin oil layer lowers friction between strands and flattens the raised cuticle that scatters light and catches on its neighbours.

    International Journal of Trichology
    • oil
    • emollient
  • 6 Carthamus Tinctorius (Safflower) Seed Oil
    General function

    A light oil that softens without much residue.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May suitDry, coarse, or high-porosity hair

    Coats the surface and slows water leaving the strand, which is usually what coarse hair that dries out fast is missing.

    May suitFrizz-prone, damaged, or high-friction hair

    A thin oil layer lowers friction between strands and flattens the raised cuticle that scatters light and catches on its neighbours.

    • oil
    • emollient
  • 7 Opuntia Vulgaris Extract
  • 8 Butyl Methoxydibenzoylmethane
    General function

    A UVA filter (avobenzone) used in leave-on products to protect hair colour from light.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May suitGray, silver, or brass-prone hair

    Sunlight oxidises hair pigment, and on gray, silver or lightened hair that shows up as yellowing. A UV filter on the label absorbs some of the light that drives it.

    PubChem
    • UV filter
  • 9 Ethylhexyl Methoxycinnamate
    General function

    A UV filter added to protect the product's colour and, in leave-ins, to slow colour fade.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May suitGray, silver, or brass-prone hair

    Sunlight oxidises hair pigment, and on gray, silver or lightened hair that shows up as yellowing. A UV filter on the label absorbs some of the light that drives it.

    PubChem
    • UV filter
  • 10 Ethylhexyl Salicylate
    General function

    A UV filter used in leave-on hair products to slow colour fade.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May suitGray, silver, or brass-prone hair

    Sunlight oxidises hair pigment, and on gray, silver or lightened hair that shows up as yellowing. A UV filter on the label absorbs some of the light that drives it.

    PubChem
    • UV filter
  • 11 BHT
    • antioxidant
  • 12 Benzyl Salicylate
    General function

    A soft floral fragrance component listed separately as a recognised allergen.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    One of the 26 scent components the EU requires to be named individually above a threshold. It is named because it is a known contact allergen, not because it is unusual.

    PubChem
    • fragrance
    • named fragrance allergen
  • 13 Citral
    General function

    A lemon-scented fragrance component listed separately as a recognised allergen.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    One of the 26 scent components the EU requires to be named individually above a threshold. It is named because it is a known contact allergen, not because it is unusual.

    PubChem
    • fragrance
    • named fragrance allergen
  • 14 Coumarin
    General function

    A sweet, hay-like fragrance component listed separately as a recognised allergen.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    One of the 26 scent components the EU requires to be named individually above a threshold. It is named because it is a known contact allergen, not because it is unusual.

    PubChem
    • fragrance
    • named fragrance allergen
  • 15 Geraniol
    General function

    A rose-scented fragrance component, listed on its own because some people react to it.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    One of the 26 scent components the EU requires to be named individually above a threshold. It is named because it is a known contact allergen, not because it is unusual.

    • fragrance
    • named fragrance allergen
  • 16 Limonene
    General function

    A citrus-smelling fragrance component that EU rules require to be named separately because some people react to it.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    One of the 26 scent components the EU requires to be named individually above a threshold. It is named because it is a known contact allergen, not because it is unusual.

    PubChem
    • fragrance
    • named fragrance allergen
  • 17 Linalool
    General function

    A floral fragrance component listed separately as a recognised contact allergen.

    Estimated lower-concentration zone

    It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.

    May not suitFragrance-sensitive routines

    One of the 26 scent components the EU requires to be named individually above a threshold. It is named because it is a known contact allergen, not because it is unusual.

    PubChem
    • fragrance
    • named fragrance allergen

What the whole list adds up to

  • 7 fragrances
  • 6 named fragrance allergens
  • 5 emollients
  • 3 UV filters
  • 2 silicones
  • 2 oils
  • 1 light ester
  • 1 declared fragrance
  • 1 antioxidant

Ingredient list captured 2026-09-05. Formulas change — check the package in your hand when an ingredient matters to you.

Price · 1.5 oz

Seen at $20.48 1 store · checked Sep 5
Good value under $6 Under $4.20/oz it costs less than three-quarters of the 8 products we score as doing the same job

Priced above the products that do the same job. Stores sell it above the $6 line; products that do this job typically go for about $16 at this size.

Show the price ladder
Where we’ve seen it2 listings · 2 stores

1.5 ozmost listedBest per ounce

Sorted by price per ounce. Dated observations from our research, not live prices. Direct store pages, no affiliate links. We don’t sell this product.

How we work this out
  1. 1.5 oz is the size stores list most often; every comparison on this page is made at it. Other sizes are shown in the Sizes row and the store list.
  2. Seen at $20.48 is the price we have observed for the 1.5 oz. We need three stores before we call a price commonly seen.
  3. Good value under $6 comes from the 8 products we score as doing the same job as this one. A quarter of them cost less than $4.20/oz; at 1.5 oz that is $6. Under that line you are paying less than most of them.
  4. About $16 is what those same products typically cost at this size — the midpoint of their prices per ounce, scaled to 1.5 oz.

Formula

Formula score
9 of 10

The formula carries the systems a serum is built around, and it sits in the middle of the range for serums per ounce.

How the score is counted
  • 4 products we score as doing the same job cost less per ounce
  • Costs more per ounce than 68% of the 77 serums we’ve priced
  • Covers 5 of the 6 things a serum should do
  • Salon tier, sold at Brand website and Grocery / mass
  • A shine systemThe silicone, oil, or ester that produces gloss.3 pts
  • A weightless carrierDelivers the shine without leaving grease.2 pts
  • Oils or butters in the working zoneSoftens the strand rather than just coating it.2 pts
  • An antioxidantKeeps the oils in the bottle from going off.1 pt
  • No drying alcohol in the first threeFast drying without leading on alcohol.1 pt
  • Fragrance kept out of the top eightScent as a finishing touch, not a major share.1 pt

The formula score is completeness for the job: the share of the systems this product type is normally built around that we can find in this list, weighted. It is not efficacy, not quality, and it never compares across product types.

Does the same job, for less

Same derived functions — what it cleans, conditions, coats or holds — at a lower cost per ounce. Scent, texture and where you buy it can still differ.

It's a 10Closest function Miracle Oil Plus Keratin $9.00/oz $4.65/oz less
  • Shine
  • Humidity
  • Alcohol-free
Differs
  • Masstige tier
Compare
SebastianClose function Dark Oil $4.59/oz $9.06/oz less
  • Protein-free
  • Shine
  • Humidity
Differs
  • Prestige tier
Compare
Design EssentialsLowest cost per oz Moroccan Oil Thermal Serum $2.75/oz $10.90/oz less
  • Protein-free
  • Shine
  • No aerosol
· Close function
Differs
  • Cruelty-free
  • Drugstore tier
Compare

See more alternatives in the product library

These are functional neighbours, not personal recommendations — they are close on formula, not chosen for anyone. Get the one that fits your hair, routine, and budget

Suits every hair pattern

Final decision

Should you buy it?

Good for the right person
Best user

Hair that reads dull, looking for shine and a UV filter

Biggest tradeoff

Less suited to anyone sensitive to fragrance, curly-method routines, or people shopping on a budget

We do not sell products or take placement fees. This page states what the formula and the prices show; the consultation is what matches it to a person.

Claims check

What the brand says, against what the formula shows

Claims are quoted from the brand. We only mark one supported, partly supported, or conflicting when the ingredient list actually speaks to it; everything else stays "stated by the brand", which is not a criticism — most claims simply cannot be read off a label.

0
SupportedBacked by ingredients
0
Partly supportedSome supporting logic
1
Stated by brandNo clear evidence
0
Potential conflictFormula works against claim
Smoothing hair oil that instantly eliminates frizz, tames flyaways and adds shine without weighing hair down or feeling greasy.

Possible from silicones or film formers, but not something the list targets.

  • Cyclopentasiloxane
  • Dimethiconol
Stated by brand

May help, but not a primary focus.

How to read this

We look at the first 10–15 ingredients and what they do in a formula — not marketing. If the list doesn't speak to a claim, we don't assume.

Reviewers

What people report

Recurring themes our researchers wrote in their own words from sourced reviews. We do not store or scrape star ratings.

Reviewers with curly, frizzy, or chemically damaged hair say it made a noticeable difference, especially in humid conditions or after color damage.

Several reviewers call it pricey for the amount received but say it is worth it because so little product is needed per use.

A recurring complaint describes a defective pump that fails to dispense product properly, forcing some reviewers to pour it out by hand.

Several reviewers warn that using too much or applying it near the roots makes hair look greasy.

Many reviewers say the serum tames frizz and flyaways and leaves hair smooth and shiny without feeling oily, using only a small amount.

More from IGK

How this page was made

  • Everything above is generated from our researched product record — identity, the ingredient list as printed, the brand's own claims, dated price observations, and review themes written in our researchers' own words. No part of this page is written per product.
  • 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.
  • Both scores out of ten are defined on this page. The formula score is completeness for the job, computed from a fixed per-format checklist shown beneath the gauge; the price score is cost per ounce against every product of this type we have priced.
  • 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 consulted for this product (2 manufacturer or regulatory, 2 retailer, 0 editorial), last checked 2026-09-05.
  • Ingredient references are linked for 11 of 15 product-aware annotations on this page. Fit notes are conditional formulation guidance, not a conclusion about the finished product or about you.
  • We have not tested this product in a lab and we do not physically test your hair. Formula readings come from the ingredient list; behaviour claims are labelled as the brand's.
  • Ingredient order tells you relative amount only above roughly 1%. Prices are observations on the dates shown and change without notice.
  • Ingredient names link to our ingredient library, where each entry shows what it does, which product types use it, and where it usually sits on a label across everything we have researched.
  • This is cosmetic information, not medical advice, and nothing here diagnoses or treats a health condition.
  • Formula readings: derivation v22. Record last updated 2026-09-05.