No ingredient in this formula is flagged in our pregnancy database. That is not medical advice — ask your doctor about anything you are unsure of.
Declared fragrance allergens: PARFUM.
Benton
Honest Scalp Nourishing Tonic Ampoule
scalp hair ampoule
Benton
scalp hair ampoule
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Take the hair assessmentRevitalize your scalp and strengthen your hair with the Benton Honest Scalp Nourishing Tonic Ampoule—a powerful, all-in-one formula designed to deeply nourish, hydrate, and refresh. Infused with 17 types of amino acids, beer yeast extract, caffeine, and a vitamin complex, this lightweight foam ampoule helps strengthen hair roots, improve elasticity, and boost volume while preventing hair breakage. The addition of panthenol, heartleaf extract, and BHA provides soothing relief for dry, itchy scalps while gently removing dead skin cells to maintain a healthy scalp environment. With an easy-to-use soft foam texture, this ampoule absorbs effortlessly, leaving hair stronger, and shinier.
Written from the ingredient list. Where it describes how a formula behaves, that is inferred from what the ingredients are and where they sit in the list, not measured.
Honest Scalp Nourishing Tonic Ampoule is a ampoule from Benton, aimed at fine hair, straight hair and wavy hair. On the evidence of its ingredient list, the formula works on moisture, frizz control and scalp soothing. The ingredients doing most of that work are Butylene Glycol, Glycerin and Propanediol. The list runs to 68 ingredients, 15 of which carry a role we recognise for hair.
The formula reads as lightweight: humectants lead and there is little in the way of heavy oil or silicone, so it should not weigh fine hair down. There are no silicones in the list. The formula leans to moisture rather than protein.
There is a small amount of protein in the list: Arginine, Hydrolyzed Silk and Cysteine.
For the scalp itself the formula carries Panthenol, Niacinamide and Caffeine.
Nothing in the list is the kind of ingredient that accumulates on hair.
It is a treatment step: after shampooing, left on, then rinsed out.
Nothing in this formula is aimed at volume / lightweight, curl definition, color protection and damage repair — not a fault, just the shape of what is in the bottle, and the reason one product rarely covers a whole routine. No ingredient here is one we recognise as supporting hair growth. Reducing breakage and growing hair are different things, and this formula's evidence is for the first.
Working for it
Worth knowing
Read from the formula's weight, its build-up and its protein — not from a claim on the packaging.
Suits
Take care with
Not what this one is for
Nothing in this formula is one we recognise as supporting hair growth. Reducing breakage and growing hair are different claims.
Sulfate-free.
Silicone-free.
A small amount of protein.
Estimated from which ingredients are present and how high they sit in the list, not measured.
Reads as a lightweight formula.
Nothing here accumulates on hair.
Inferred from the formula's weight, humectants and protein.
Cuticles are tight; moisture penetrates poorly.
Cuticles are moderately open; moisture is absorbed well.
Cuticles are open; moisture absorbs fast but is also lost rapidly.
Fits the method: no sulfates, no persistent silicones, no drying alcohol.
"Free from" is only claimed when every ingredient on the label resolved to one we know.
No ingredient in this formula is flagged in our pregnancy database. That is not medical advice — ask your doctor about anything you are unsure of.
Declared fragrance allergens: PARFUM.
One ingredient usually does several jobs, so these counts add up to more than the list length.
15 of 68 ingredients carry a role we recognise for hair.
LACTOBACILLUS FERMENT FILTRATE, WATER, BUTYLENE GLYCOL, SACCHAROMYCES CEREVISIAE EXTRACT, 1,2-HEXANEDIOL, ECKLONIA CAVA EXTRACT, SODIUM/TEA C12-13 PARETH-3 SULFATE, GLYCERIN, PROPANEDIOL, PANTHENOL, POLYGLYCERYL-10 LAURATE, ARGININE, NIACINAMIDE, ALLANTOIN, BETAINE SALICYLATE, CAFFEINE, HYDROLYZED SILK, COPTIS JAPONICA ROOT EXTRACT, MORUS ALBA BARK EXTRACT, SOPHORA FLAVESCENS ROOT EXTRACT, SCUTELLARIA BAICALENSIS ROOT EXTRACT, SODIUM PHYTATE, ALTEROMONAS FERMENT EXTRACT, GLYCINE, BETAINE, PALMITOYL TRIPEPTIDE-5, ACETYL HEXAPEPTIDE-8, HOUTTUYNIA CORDATA EXTRACT, CAMELLIA SINENSIS LEAF EXTRACT, PERILLA FRUTESCENS LEAF EXTRACT, GLYCINE MAX SEED EXTRACT, POLYGLYCERYL-10 STEARATE, SERINE, GLUTAMIC ACID, ASPARTIC ACID, LEUCINE, ALANINE, LYSINE, TYROSINE, PHENYLALANINE, VALINE, THREONINE, PROLINE, ISOLEUCINE, BIOTIN, HISTIDINE, CYSTEINE, METHIONINE, SODIUM ASCORBYL PHOSPHATE, BETA-GLUCAN, FOLIC ACID, PYRIDOXINE, TOCOPHEROL, CYANOCOBALAMIN, BETA-CAROTENE, LINOLEIC ACID, THIAMINE NITRATE, RIBOFLAVIN, MENTHOL, MENTHYL LACTATE, ETHYLHEXYLGLYCERIN, CITRIC ACID, SODIUM CITRATE, HYDROGENATED LECITHIN, CAPRYLYL GLYCOL, MELALEUCA ALTERNIFOLIA LEAF OIL, MENTHA PIPERITA OIL, PARFUM.
Yes. There is no sulfate detergent anywhere in the ingredient list.
Yes. There are no silicones in the ingredient list.
Yes. The list carries no sulfate detergent, no non-water-soluble silicone and no drying alcohol, which are the three the method excludes.
By the weight and build-up of the formula it reads as suited to fine hair, straight hair, wavy hair. It may be less comfortable on coarse hair.
Yes — Arginine, Hydrolyzed Silk, Cysteine. That is a small amount for this kind of product.
Nothing in the list is the kind of ingredient that accumulates on hair.
It carries scalp-soothing ingredients and no harsh detergent.
Nothing in the formula is the kind of ingredient that strips colour, and it carries conditioning ingredients that help it hold.
After shampooing: leave it on, then rinse it out.
No. The list carries PARFUM.
Benton.
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