SOLVENT
Benzyl Alcohol
- solvent
A preservative and solvent that also occurs naturally in some essential oils.
- products in our library
- 928
- of researched products
- 23%
- on the label, in our conditioners
- usually #18
- most common in
- Conditioner
- in water
- Water-soluble
At a glance
Four things worth knowing about how this ingredient behaves on hair.
How much of it is left on hair between washes.
What it takes to get it off the hair again.
How fast it leaves after the product is applied.
What is still on the hair once it has evaporated.
| Property | Level | Out of |
|---|---|---|
| Buildup risk | Low | 1 of 5 |
| Rinse-out behaviour | Rinses clean | 5 of 5 |
| Drying speed | Steady | 2 of 5 |
| Residue | Minimal | 2 of 5 |
What it does for a formula
What Benzyl Alcohol does
The general function first, then how the role changes by product type where we have researched it.
What everything else is dissolved in before it reaches your hair.
Anything with water in it needs one, over the life of the bottle.
Water alone removes it, so it does not accumulate between washes.
Hair neither pulls it in nor pushes it away.
Charge
Carries no charge, so it neither clings to hair nor is pushed away by it. Nonionic ingredients are the mild, pH-tolerant workhorses of a formula.
Solubility
Rinses out with water alone — it does not accumulate on hair between washes.
Where it appears
Where it appears
One row per product category in our library: how many products list it, what share of that category that is, and where it typically sits on the label.
| Product type | How common | Typical position on label ? |
|---|---|---|
Conditioner
207 products
|
secondary · #18 | |
Shampoo
183 products
|
secondary · #26 | |
Leave-in
124 products
|
secondary · #23 | |
Mask / treatment
102 products
|
secondary · #21 | |
Heat protectant
50 products
|
secondary · #21 | |
Styler: mousse
48 products
|
secondary · #23 | |
Styler: gel
31 products
|
secondary · #17 | |
Styler: curl cream
23 products
|
secondary · #27 | |
Finisher: oil
21 products
|
secondary · #13 | |
Styler: hairspray
21 products
|
secondary · #13 |
12 more product types
| Product type | How common | Typical position on label ? |
|---|---|---|
Styler: paste
20 products
|
secondary · #19 | |
Co-wash
19 products
|
secondary · #20 | |
Finisher: serum
16 products
|
secondary · #14 | |
Scalp treatment
15 products
|
secondary · #12 | |
Styler: texture spray
13 products
|
secondary · #18 | |
Styler: smoothing cream
10 products
|
secondary · #26 | |
Styler: volumizer
10 products
|
secondary · #20 | |
Finisher: anti frizz finish
5 products
|
supporting · #7 | |
Finisher: shine spray
4 products
|
supporting · #8 | |
Styler: refresh spray
3 products
|
secondary · #18 | |
Finisher: end oil
2 products
|
secondary · #32 | |
Styler: edge control
2 products
|
secondary · #16 |
| Product type | Products | Share of category | Median position | Earliest position | Band |
|---|---|---|---|---|---|
| Conditioner | 207 | 29% | 18 | 2 | secondary |
| Shampoo | 183 | 21% | 26 | 1 | secondary |
| Leave-in | 124 | 28% | 23 | 4 | secondary |
| Mask / treatment | 102 | 25% | 21 | 6 | secondary |
| Heat protectant | 50 | 34% | 21 | 6 | secondary |
| Styler: mousse | 48 | 34% | 23 | 15 | secondary |
| Styler: gel | 31 | 19% | 17 | 5 | secondary |
| Styler: curl cream | 23 | 21% | 27 | 10 | secondary |
| Finisher: oil | 21 | 12% | 13 | 6 | secondary |
| Styler: hairspray | 21 | 21% | 13 | 5 | secondary |
| Styler: paste | 20 | 22% | 19 | 10 | secondary |
| Co-wash | 19 | 19% | 20 | 7 | secondary |
| Finisher: serum | 16 | 20% | 14 | 7 | secondary |
| Scalp treatment | 15 | 9% | 12 | 5 | secondary |
| Styler: texture spray | 13 | 22% | 18 | 9 | secondary |
| Styler: smoothing cream | 10 | 18% | 26 | 12 | secondary |
| Styler: volumizer | 10 | 15% | 20 | 13 | secondary |
| Finisher: anti frizz finish | 5 | 21% | 7 | 5 | supporting |
| Finisher: shine spray | 4 | 6% | 8 | 7 | supporting |
| Styler: refresh spray | 3 | 23% | 18 | 13 | secondary |
| Finisher: end oil | 2 | 22% | 32 | 31 | secondary |
| Styler: edge control | 2 | 13% | 16 | 12 | secondary |
No product-type differences have been researched yet — the reading below is computed from where it sits on the labels in our library.
Position footprint
Every listing in our library, by position on the label.
| Positions | Zone | Listings |
|---|---|---|
| 1-3 | Leading | 5 |
| 4-8 | Supporting | 84 |
| 9-15 | Secondary | 210 |
| 16-25 | Lower | 407 |
| 26+ | Trace | 364 |
How to read this
US labelling rules put ingredients above 1% in descending order of amount; below 1% they may be listed in any order.
So position tells you about relative amount only above that line, and we never convert a position into a percentage.
Why it matters to shoppers
What this ingredient is evidence of, what it is not evidence of, and what our own method can and cannot tell you.
- a light, fast-drying formula
- a product that keeps over its shelf life
- a rinse-clean feel
- an exact safety score — we do not publish one, for any ingredient
- how a finished product performs by itself — that is the whole formula, not one line of it
- the exact percentage in a bottle — label position never converts into a number
- a secondary solvent, listed below the main ingredients in our conditioners
- it was on the label of every product we counted — we read printed ingredient lists, not marketing copy
- that the product would be better without one
- that a product is right or wrong for you
We do not publish safety scores or hazard grades. Where a regulator has published a restriction or a use condition, we state it and cite it; otherwise we describe what the ingredient does and stop.
Commonly paired with
Ingredients that appear alongside this one most often in our library. Near-universal ingredients are excluded — they pair with everything and tell you nothing.
- Hexyl Cinnamal · 308
- Cetrimonium Chloride · 290
- Behentrimonium Chloride · 284
- Tocopherol · 259
- Citronellol · 253
- Cetyl Alcohol · 249
- Benzyl Salicylate · 236
- Sodium Chloride · 219
- Propylene Glycol · 218
- Disodium EDTA · 206
The number beside a name is how many products in our library list both.
These ingredients tend to appear together to give it a scent, improve feel after rinsing, and deliver a stated effect.
Found in these products
The most prominent placements first. The badge is the position on that product’s own ingredient list.
Nizoral · Shampoo
A-D Anti-Dandruff Shampoo
#1 on the label · $8.68/oz
Carol's Daughter · Conditioner
Born To Repair Nourishing Conditioner with Shea Butter
#2 on the label · $1.27/oz
amika · Shampoo
Bust Your Brass Cool Blonde Strength Repair Shampoo
#3 on the label · $3.15/oz
Pantene · Conditioner
Pro-V Classic Clean Conditioner
#3 on the label · $0.40/oz
Schwarzkopf Professional · Shampoo
BC Bonacure Color Freeze Silver Shampoo
#3 on the label · $0.87/oz
Davines · Leave-in
MINU Milk
#4 on the label · $6.51/oz
Herbal Essences · Styler
Strong Hold Curl Scrunching Gel with Frizz Control
#4 on the label · $1.00/oz
Aussie · Styler
Instant Freeze Gel
#5 on the label · $0.74/oz
Aussie · Styler
Miracle Coils Shaping Jelly
#5 on the label · $0.74/oz
Davines · Leave-in
Beautiful Things Restoring Leave-in Mask
#5 on the label · $24.01/oz
Fairy Tales · Styler
Curly-Q Spray Hair Gel
#5 on the label · $1.28/oz
Garnier Fructis · Styler
Pure Clean Styling Gel
#5 on the label · $0.70/oz
See all 928 products in the library that list Benzyl Alcohol
Identity
What this entry is, and what our references call it.
Benzyl Alcohol
- CAS 100-51-6
- PubChem 244
- preservative
- benzyl alcohol
For your hair?
Whether Benzyl Alcohol matters for your hair depends on your hair.
the 2nd most-listed solvent or propellant in our libraryWhat this ingredient does, and where it sits on the labels we have researched.
A verdict on any product that contains it, and never a safety grade.
We do not physically test your hair. Everything above is read from the ingredient lists in our library and from published references — the consultation is what turns it into a plan.
References
Sourced Backed by a manufacturer or regulatory source.
This ingredient
- Manufacturer or regulatory PubChem — Compound identity: CID 244, CAS 100-51-6, C7H8O · accessed 2026-08-28
How this page was made
- Every number above is counted from the ingredient lists in our own product library — 928 of 4008 researched products list this ingredient. Nothing on this page is written per ingredient.
- The dots are levels, not scores. Each one is read from what kind of ingredient it is — its chemical class, its charge, its solubility — or from where it sits on the labels we have.
- US labelling rules put ingredients above 1% in descending order of amount; below 1% they may be listed in any order. Position tells you about relative amount only above that line, and we never convert a position into a percentage.
- The prominence bands (leading, supporting, secondary) are the same ones the product pages use to read a single label, applied here to the median position across a category.
- We do not publish safety scores or hazard grades. Where a regulator has published a restriction or a use condition, we state it and cite it; otherwise we describe what the ingredient does and stop.
- Identifiers and references appear only when a published source is attached to this entry; where none is, the row is simply absent rather than filled in.
- This is cosmetic information, not medical advice, and nothing here diagnoses or treats a health condition.
- Entry last updated 2026-08-28. Product-page methodology: the product library.