Keratin500mg
Solubilized keratin
Cynatine HNS, the protein hair is made of, in the form used in a 90-day trial.
Beer et al. 2014 · 50 women · 90 days
Formulated in EuropeGMP-certified facility
- Study doses, listed
- No collagen · no mega-biotin
- Formulated in Europe
- GMP-certified facility
Ingredients and doses
Every dose, and the study behind it.
Plus L-cystine, B6, B12 and folate. Full panel in the gallery.
Beer et al. 2014 · 50 women · 90 days500mg
Solubilized keratin
Cynatine HNS, the protein hair is made of, in the form used in a 90-day trial.
Le Floc'h et al. 2015 · 120 women · 6 months920mg
Fish oil + blackcurrant seed oil
460 mg each, with lycopene and vitamin E: the formula studied for hair density in women.
Rushton 2002 · Trost 200614mg
Iron bisglycinate + vitamin C
Gentle iron with 80 mg vitamin C, which increases iron absorption. Taken in the morning, when iron is absorbed best.
Observational data · Dawson-Hughes 201525µg
Vitamin D3 (1,000 IU)
Low vitamin D is common in women with thinning hair. Absorbed better with the fat in your breakfast.
Support normal hair*10mg
Zinc, selenium, copper
10 mg zinc, 55 µg selenium and 1 mg copper, each at 100% of the daily reference.
FDA safety communication on biotin150µg
Biotin, not 10,000
Enough to cover your needs, without interfering with lab tests like thyroid panels.
Keratin
Omega oils920mg
Fish oil + blackcurrant seed oil
460 mg each, with lycopene and vitamin E: the formula studied for hair density in women.
Le Floc'h et al. 2015 · 120 women · 6 months
Iron + C14mg
Iron bisglycinate + vitamin C
Gentle iron with 80 mg vitamin C, which increases iron absorption. Taken in the morning, when iron is absorbed best.
Rushton 2002 · Trost 2006
Vitamin D325µg
Vitamin D3 (1,000 IU)
Low vitamin D is common in women with thinning hair. Absorbed better with the fat in your breakfast.
Observational data · Dawson-Hughes 2015
Zinc + selenium10mg
Zinc, selenium, copper
10 mg zinc, 55 µg selenium and 1 mg copper, each at 100% of the daily reference.
Support normal hair*
Biotin150µg
Biotin, not 10,000
Enough to cover your needs, without interfering with lab tests like thyroid panels.
FDA safety communication on biotin*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
What's not in it
What we left out, on purpose.
A label is only as honest as what's missing from it.
Collagen
No good evidence it does anything for hair. We use keratin instead, the protein hair is actually made of.
10,000 µg biotin
Only helps when you're low, and can skew lab tests. We use 150 µg.
Sugar & maltitol
Gummies need them to hold their shape. A powder doesn't.
Proprietary blends
Blends hide the doses. We print every single one.
How to use
Tear. Pour. Stir.
- TearOne stick, about 6.5 g.
- PourInto 8 fl oz of cold water.
- StirCitrus-berry, sugar-free.
- With breakfastCoffee can wait an hour.
What to expect
Hair is slow. Here's the honest timeline.
Start
One stick with breakfast. Nothing to see yet, and that's normal.
Replenish
Iron, vitamin D and zinc stores start to fill.
Less in the brush
Where the studies took their first measurements.
Fuller-looking hair*
New hair grows out, about 1 cm a month.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Compared
Why a stick, and why this one
 rootsense | Biotin gummies | Collagen powders | |
|---|---|---|---|
| Core ingredients at study doses | ✓ | ✕ | ✕ |
| 150 µg biotin, not 5,000–10,000 | ✓ | ✕ | ✓ |
| Iron with vitamin C, plus D3 | ✓ | ✕ | ✕ |
| Keratin + omega-3/6 studied in women | ✓ | ✕ | ✕ |
| Sugar-free, no polyols | ✓ | ✕ | ✓ |
| Every dose and study published | ✓ | ✕ | ✕ |
Based on typical products in each category. Individual products vary.
ReviewsSample content
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Good to know
When will I notice something?
Hair grows about 1 cm a month, and the studies behind this formula measured at 3 and 6 months. Give it at least 90 days.
Why with breakfast, not with coffee?
Iron is absorbed best in the morning, and coffee and tea reduce how much you take in. Have your coffee an hour later.
Why no collagen?
There are no solid studies showing collagen helps hair. We used that space for ingredients that were studied for hair.
Why so little biotin?
Biotin only helps when you're low. High doses can interfere with lab tests such as thyroid panels. 150 µg covers your needs.
I'm on a GLP-1 medication. Can I take it?
Rootsense is a food supplement, not a medication. Check with your doctor first, especially if you take prescription medication, are pregnant or breastfeeding.
Is it vegan?
Not yet. The keratin comes from sheep's wool and the omega-3 from fish oil, the forms used in the studies.
Can I pause or cancel?
Yes. Pause, skip or cancel online, any time.
