The journal
News
Quiet, evidence-based reads on stress, hair, and the science behind the ritual.
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The science
Why stress drives shedding (and what calms it)
The cortisol-to-shedding pipeline explained, plus the adaptogen evidence behind L-theanine and ashwagandha.
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Lab protocol
Why we'll publish every COA
Our pre-launch testing protocol — how Ruubyn® plans to publish third-party lab results for every production batch.
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Founder's notes
Why we deliberately under-dosed biotin
The 1,200mcg decision: how mega-dose biotin breaks lab tests and skin, and what we learned building around it.
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Science
Why stress drives shedding (and what calms it)
Sustained cortisol pushes hair follicles into shedding 2–3 months after a trigger. Here's the mechanism — and what supports the calm resp...
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Science
The cortisol-to-shedding pipeline, explained
How chronic stress translates into a thinner ponytail, in plain language. The biology, the timeline, and why ashwagandha and L-theanine m...
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Ingredients
Adaptogens 101: ashwagandha vs. rhodiola
Two of the most-studied adaptogens, side by side. Different mechanisms, different evidence — and why we chose Sensoril® for our formula.
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Stories
Postpartum hair loss: when to expect, when to worry
The 3–6 month postpartum shed is normal, but here's how to tell when it isn't. Plus: the nutrients that support the recovery curve.
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Ingredients
L-theanine: the calm-focus molecule
An amino acid found in green tea that quiets racing thoughts without sedation. The alpha-wave science, and how it pairs with ashwagandha.
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Ingredients
Magnesium glycinate vs. citrate: what your body absorbs
Bioavailability matters more than the milligram count on the label. We use TRAACS® chelated glycinate. Here's why.
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Compliance
Why mega-dose biotin doesn't work (and might break you out)
Mega-dose biotin (5,000–10,000 mcg) competes with B5 absorption — that's the breakout pathway. We kept ours at 1,200 mcg deliberately.
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Science
The MTHFR gene and why we use methylfolate
The MTHFR gene affects how some people methylate folate. Methylated forms (5-MTHF, P5P) bypass the issue entirely.
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Science
Sleep architecture and hair-follicle regeneration
Most hair regulatory work happens in non-REM sleep. Magnesium glycinate supports that phase — which is why our formula is built for eveni...
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Compliance
Reading a Certificate of Analysis (COA): a quick guide
Every Ruubyn batch is tested by an independent ISO 17025 lab. Here's how to read the results we publish.
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Compliance
What 'NSF Certified' really means for supplements
NSF, USP, Clean Label Project — the third-party seals worth trusting, what they verify, and our roadmap for adopting them.
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Stories
GLP-1 and unexpected hair shedding
Roughly 1 in 8 American adults have used a GLP-1. Hair shedding is one of the most-reported side effects. Here's the recovery protocol.
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Stories
Perimenopause and the slow shedding curve
Hair changes in perimenopause aren't always dramatic — sometimes they're a slow thinning over 2–3 years. The signals to watch for.
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Ingredients
Why we use Sensoril® ashwagandha (not generic powder)
Standardized branded extracts vs. generic ashwagandha powder: the difference in clinical evidence and reproducibility.
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Science
The non-REM phase: when hair regulatory work happens
Hair follicles do most of their regulatory work during slow-wave non-REM sleep. Here's the link between deeper sleep and stronger strands.
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Ritual
Reading hair density: photos that actually show change
Lighting, distance, and angle all change the apparent density of hair in photos. Here's our protocol for honest tracking.
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Ritual
How to track shedding without obsessing
Daily counting becomes a stress in itself. We recommend weekly drain checks instead — calmer, more accurate.
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Ritual
The 90-day protocol: why 30 days isn't enough
Hair has its own clock. Most marketing wants 30-day promises; the biology demands 90.
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Product
Sugar-free gummies: how we got the texture right
Texture without sugar means working with allulose + erythritol + pectin in a specific ratio. The R&D path.
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Product
Pectin vs. gelatin: why our gummies are vegan
Pectin is plant-based and creates a softer, less rubbery texture. It's also fully vegan and easier to digest than gelatin.
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Ingredients
Allulose: the sweetener that doesn't spike glucose
Allulose is a rare sugar that tastes like sugar but isn't metabolized like one. It doesn't spike blood glucose. Here's the full picture.
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Ingredients
Bisglycinate vs. oxide forms of zinc, explained
Bisglycinate zinc is bound to glycine, increasing absorption and reducing GI discomfort. Oxide forms are cheap but poorly absorbed.
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Ingredients
P5P vs. plain B6: why active form matters
Pyridoxal-5-phosphate is the active form of B6. Your body skips a conversion step, which matters if you have variants in conversion enzymes.
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Ingredients
Quatrefolic® and methylated folate, simplified
Quatrefolic® is a patented form of methylated folate (5-MTHF). Why it's the form we use, and why generic 'folic acid' isn't always equiva...
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Ritual
Day 30 milestone: less shedding, less fear
What to expect at the first 30-day milestone. The early signal is fewer hairs in the shower drain — that's the pattern to watch.
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Ritual
Day 60 milestone: nail strength as a leading indicator
The first visible win for most users comes from nails getting stronger. It's a leading indicator that nutrients are absorbing.
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Ritual
Day 90 milestone: the density check
At 90 days, the full hair cycle has had time to respond. Compare your starting photos. Notice density, body, and a calmer scalp.
