Rhassoul clay-based co-wash
This is a marketing claim; an ingredient list cannot speak to it.
—
Can’t be confirmed from label.
Co-wash / Low-lather cleanser, non-foaming
Scent:
The ingredient list declares fragrance. What it smells of is not stated, and we do not guess.
Manufacturer page: unclefunkysdaughter.com
Personal fit
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Your avoid-list
Priced with its peers
$1.87/oz at 8 oz — less than 54% of the 94 co-washes , which mostly run $1.08–2.77/oz. The cost less.
Great for
Maybe skip if
What the formula actually does
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.
No detergent — the conditioners do the cleaning.
Conditioning agents sit high in the list — this is a detangling formula.
Oils sit high in the list — a softening, coating formula.
Humectants near the top — water-binding is a headline mechanism here.
Middle of the range — noticeable on fine hair, light on coarse hair.
Nothing here needs a detergent wash to remove.
No protein or amino acids in the list.
Fragrance is listed; it sits below the working ingredients.
Ingredients that matter
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.
| Ingredient | What it does | Why it matters | Chip |
|---|---|---|---|
| Water | solvent | The base everything else is dissolved in | Neutral |
| Organic Aloe Leaf Juice | botanical extract | A plant extract, marketed as much as functional | Moisturizes |
| Behentrimonium Chloride | conditioning agent | Does the cleaning here — a co-wash cleans with conditioners | Detangles |
| Cetearyl Alcohol | fatty alcohol | Body and cleansing feel — not a drying alcohol | Softens |
| Glycerin | humectant | Pulls water into the hair | Moisturizes |
| Rhassoul Clay | clay | Absorbs oil and adds texture | Neutral |
| Cocos Nucifera (Coconut) OilCoconut Oil | oil | Coats and softens the strand | Softens |
| Vitis Vinifera (Grape) Seed OilGrapeseed Oil | oil | Coats and softens the strand | Softens |
| Fragrance | fragrance | The scent | Fragrance |
| Rosemary Oil | botanical extract | A trace plant extract | Fragrance |
| Melaleuca Alternifolia (Tea Tree) Leaf OilTea Tree Oil | botanical extract | A trace plant extract | Fragrance |
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.
The base of almost every rinse-off and cream hair product. It carries everything else and is normally the first ingredient on the label.
Listed in the first three ingredients, it is likely a structural part of this formula.
The juice pressed from Organic Aloe's leaf. Used in place of some of the water in a formula, so it often sits high on the list.
Listed in the first three ingredients, it is likely a structural part of this formula.
A positively charged conditioning agent that binds to damaged, negatively charged spots on the hair. It is the main detangling ingredient in most rinse-out conditioners.
Listed in the first three ingredients, it is likely a structural part of this formula.
Electrokinetic measurement puts the C22 quat ahead of the C16 ones for deposition: the longer chain adds van der Waals stabilisation on top of the charge binding. That extra deposit is what coarse hair usually needs to comb through.
A cationic conditioning agent: it binds to the damaged, negatively charged parts of the cuticle and lowers combing friction there.
Substantive by design. A routine with no detergent wash gives it nothing to leave with.
A waxy fatty alcohol - nothing like drying alcohol. It gives conditioners their body and leaves a soft, smoothing film on the hair.
Listed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.
The waxy solid that gives a conditioner its body. It deposits a soft lubricating layer, which is most of what makes hair feel smooth after rinsing.
Deposits with the cationic conditioners and helps them lie flat along the strand, which is where the detangling actually comes from.
Near the top of a conditioner it is doing most of the conditioning, and most of the weighting, at the same time.
A small water-loving molecule that draws moisture into the hair and holds it there. It is the most common softening ingredient in conditioners and leave-ins.
Listed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.
High-porosity hair loses water fast; a humectant holds some of it in place for longer than the wash itself would.
Binds water into the outer layers of the strand, and water is what makes dry hair flexible again rather than brittle.
Water moves both ways. Measured across concentrations, glycerin solutions give water up in some conditions and take it from the air in others. What it does for you depends on how much of it is there and on the air around it.
A Moroccan mineral clay traditionally used to wash hair. It absorbs oil and lifts residue without detergent.
Listed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.
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.
Listed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.
Because it penetrates rather than sits on top, it works on hair that loses water through a worn cuticle instead of only slowing evaporation from the surface the way a non-penetrating oil does.
A thin oil layer lowers friction between strands and flattens the raised cuticle that scatters light and catches on its neighbours.
The exception to the class read: lauric acid is small and linear enough to enter the shaft rather than only coat it, and in comparison testing coconut oil was the one that reduced protein loss from washing on both undamaged and damaged hair.
A light oil used where softness is wanted without weight.
Listed in positions 4–8, it likely makes a meaningful contribution alongside the formula's main ingredients.
Coats the surface and slows water leaving the strand, which is usually what coarse hair that dries out fast is missing.
A thin oil layer lowers friction between strands and flattens the raised cuticle that scatters light and catches on its neighbours.
Near the top of a list an oil is weight before it is anything else, and fine hair shows that first at the roots.
A rich oil used in masks and heavier creams for softness on coarse or dry hair.
Lower in the ordered portion of the list, it is more likely playing a supporting role than defining the formula.
Coats the surface and slows water leaving the strand, which is usually what coarse hair that dries out fast is missing.
A thin oil layer lowers friction between strands and flattens the raised cuticle that scatters light and catches on its neighbours.
A conditioning polymer made from guar bean gum. It deposits during rinsing, which is why sulfate shampoos can still leave hair soft.
Lower in the ordered portion of the list, it is more likely playing a supporting role than defining the formula.
Gums thicken and set soft, which gives definition that bends rather than a rigid cast.
Cationic conditioners bind to the negatively charged damaged cuticle, laying it flat and cutting the friction that causes combing breakage.
A styling polymer dries into a film across the strands, which is what makes a shape hold instead of relax.
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.
It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
Declared fragrance. On a fragrance-sensitive routine this is the line that decides it, wherever it sits on the label.
Tea tree essential oil, used in scalp products for its sharp scent and traditional clarifying reputation.
It appears around or below the estimated 1% line, where label order no longer indicates relative amount; its role may be minor or technical.
Essential oils are fragrance. Several carry constituents on the EU list of declared fragrance allergens, so a label with no fragrance line can still be a scented product.
Ingredient list captured 2026-08-22. Formulas change — check the package in your hand when an ingredient matters to you.
Price · 8 oz
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 $9 at this size.
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.
Formula
The formula carries the systems a co-wash is built around, and it sits in the middle of the range for co-washes per ounce.
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.
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

Final decision
Colour-treated hair, looking for washing without sulfates and a protein-free formula
Worth skipping for anyone sensitive to fragrance, anyone who wants a squeaky-clean feel, or anyone who needs to clarify regularly
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
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.
Rhassoul clay-based co-wash
This is a marketing claim; an ingredient list cannot speak to it.
—
Can’t be confirmed from label.
Gently cleanse, tame frizz, and nourish curls
Humectants or rich emollients sit in the first eight ingredients.
Helps hair feel hydrated.
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
Recurring themes our researchers wrote in their own words from sourced reviews. We do not store or scrape star ratings.
Some reviewers replaced a discontinued/reformulated Pantene co-wash with this product
switchers from other co-wash brandsCleanses without stripping moisture or leaving hair greasy
Rhassoul clay formula praised as effective midweek co-wash for thick curly hair
thick curly hair, midweek co-wash routineComplaint: pump dispenser mechanism is unreliable/breaks despite liking the formula