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Arey The System—Not Today, Grey supplement and To The Root serum with capsules on a white background.
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Benefits of Arey The System shown in hand: slows greying, supports repigmentation, supports new hair growth and density; clinically proven formula.
Before and after 3 months showing reduced visible greys on a woman using Arey The System.
Clinical study results: 88% had less grey hair growth; 3× more people saw fuller, thicker, shinier hair vs. placebo.
Bar chart—grey hair growth: placebo +10% vs. Arey The System −13% over 6 months.
Not Today, Grey key ingredients: B vitamins which supplies nutrients to support a healthy hair follicle, Fo-Ti root which is a traditional antioidant that helps preserve pigment, copper which supports a key enzyme for melanin production, PABA supports the hair's natural pigment system, black sesame contains essential nutrients for melanin synthesis; FDA-registered, GMP, and NSF badges.
To The Root key ingredients: biomimetic peptide supports melanin production to help repigmentation, botanical antioxidants neutralize oxidative stress, ginseng supports hair health and scalp resilience, caffeine stimulates hair follicles while calming inflammation, Sichuan pepper helps absorption of the active ingredients; Mela-9®; fragrance-free, color-safe, oil-free badges.
scalp photo comparing greying hair—some pigment remains—and white hair—pigment gone; message: start during greying for best chance of improvement.
Complete your routine: Step 1 The System; Step 2 The Shower Duo (Wash & Smooth); benefits include slowing greying and preserving pigment.
Supplement facts label with detailed nutritional information on a white background
How to use Arey The System: take 2 capsules daily; apply 1–3 pumps of serum to scalp and massage; results in 3–6 months.
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contains Mela-9
Arey The System—Not Today, Grey supplement and To The Root serum with capsules on a white background.

The System

4.3
Rated 4.3 out of 5 stars
1,294 Reviews

Slows Greys | Supports Repigmentation | Improves Density

A supplement and serum duo that addresses the early signs of aging hair. Clinically proven to slow grey growth, support repigmentation, and promote thicker, fuller hair in as little as 3-6 months with daily, consistent use in the early stages of greying.

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WHAT IS IT?

 

The System is our inside out and outside in regimen, pairing our physician-formulated daily supplement with a targeted scalp serum to address hair aging at its root. The serum is powered by our patented Mela-9® Complex, while the supplement combines targeted vitamins, minerals, and antioxidants that nourish from within. An easy daily ritual that’s flavorless, gentle, and with no aftertaste. Working in synergy, they help slow grey hair growth, preserve natural pigment, support repigmentation, and promote thicker, fuller hair. Clinically proven to deliver visible results in 3–6 months with consistent daily use. Color-safe, dermatologist-tested and hypoallergenic.

HOW TO USE

 

Not Today, Grey
1. Take 2 capsules daily, preferably with food.
2. Expect visible results in 3–6 months with daily use.

To The Root® Scalp Serum
1. Apply daily to the scalp on wet or dry hair.
2. Part into sections and apply 1–3 pumps per targeted area.
3. Massage in; do not rinse. Let absorb, then style as usual.

Pro Tip: For full-scalp coverage, and to get our Mela-9® Complex into hard-to-reach areas, add Wash Shampoo.

CLINICAL RESULTS

 

After 6 months using The System:
88% saw a decrease in new grey hair growth.
13% decrease in grey hair growth vs. a 10% increase in the placebo group.
3× more participants experienced thicker, fuller hair with enhanced shine vs. placebo.

This is the largest and only clinical study focused on the appearance of grey hair to date. Results typically appear in 3–6 months with daily, consistent use.

Based on a 6-month, randomized, double-blind, placebo-controlled, study of the effects of The System on the appearance of grey hair on 173 subjects, ages 28–65, all less than 25% grey. Results determined by blinded clinical counting.

THE SCIENCE

 

Greys aren’t just genetic. Up to 70% of greying is tied to other factors like oxidative stress, nutrient gaps, UV exposure, and environmental stress. The System addresses these drivers from two directions: the scalp serum, powered by the Mela-9® Complex, helps preserve pigment at the follicle, while the supplement’s proprietary blend supplies vitamins, minerals, and antioxidants to stimulate pigment from within. This inside-out approach works to sustain your natural color and healthy density over time.

QUALITY + CERTIFICATIONS

 

The System’s supplement component, Not Today, Grey, is made in the USA in an NSF-certified, GMP-certified, and FDA-registered facility to ensure quality, safety, and consistency. Every batch is produced to meet the highest manufacturing standards and tested for purity and potency.

These certifications ensure the supplement you take daily meets strict safety and quality standards—so you can trust it to deliver the results you expect.

INGREDIENTS

 

Not Today, Grey Daily Supplement
Vitamin D (D3 Cholecalciferol), Vitamin B6 (Pyridoxine HCI), Folate, Vitamin B12 (Methylcobalmin), Biotin, Pantothenic Acid (D-Calcium Pantothenate), Calcium (Calcium Carbonate), Iron (Ferrous Fumarate), Selenium (Selenomethionine), Copper (Copper Gluconate)
Proprietary Blend: PABA (Para-Aminobenzoic Acid), Black Sesame Seed Extract, Fo-Ti Root.
Other Ingredients: Hypromellose, Rice Flour, Magnesium Stearate, Silica

Contains: Sesame

To The Root® Scalp Serum
Water (Aqua), Glycerin, Palmitoyl Tetrapeptide 20 Amide, Citrus Reticulata (Tangerine) Extract, Polygonum Multiflorum (Fo-Ti) Root Extract, Sesame Indicum (Sesame) Seed Extract, Biotin, Zanthoxylum Bungeanum Fruit Extract, Panax Ginseng Root Extract, Humulus Lupulus (Hops) Flower Extract, Panthenol, Glycine Soja (Soybean) Germ Extract, Hydrolyzed Barley Protein, Wasabia Japonica Leaf Extract, Caffeine, Coffea Arabica (Coffee) Seed Extract, 1,2-Hexanediol, Butylene Glycol, Hydroxyethylcellulose, Acetyl Tyrosine, Pentylene Glycol, Gluconolactone, Sodium Benzoate

Contains: Sesame
Free of: Sulfates, Parabens, Phthalates, Synthetic Fragrance, Polyethylene Glycol, Formaldehyde & Dyes

Arey works best on those who have 0-30% grey hair. Not sure what percentage you are?
MADE IN A NSF CERTIFIED FACILITY
MADE IN A FDA REGISTERED FACILITY
PHYSICIAN FORMULATED
GLUTEN FREE
CLEAN INGREDIENTS
VEGAN + CRUELTY FREE
4.3
Rated 4.3 out of 5 stars
1,294 Reviews

Proven Results

BEFORE
AFTER
before and after using not today grey

"I have no new greys and my hair feels so much thicker. My daughter even asked me if I used hair dye!"

- Mark F.
1 Year Not Today, Grey
6 Months To The Root®
BEFORE
AFTER
before and after using wash and not today grey

"Yes, I am still grey, but Arey has made my hair so much darker. I'm impressed!"

– Michelle W.
3 Months The System + Wash Shampoo
BEFORE
AFTER
before and after using wash, Not Today Grey and To The Root

"I didn't expect something so dramatic before three months!"

– Christie L.
3 Months The System
1 Month Wash Shampoo
BEFORE
AFTER

"It was very easy to use. I notice less white hair strands compared to the beginning!"

– Hannah C.
4 Months The System
BEFORE
AFTER

“I'm seeing less gray hair growth. I'm also seeing some white/gray hair with dark newer hair growth too. My hair feels stronger and I feel like I'm losing less hair.”

- Yeana J.
4 Months The System
BEFORE
AFTER

“This has been such an easy, simple and effective process. I'd highly recommend a giving Arey a try.”

- Ivy L.
4 Months The System
Results may vary

Clinically Proven to Reduce Grey Hair and Improve Hair Health

Results backed by a gold standard, double-blind, placebo-controlled clinical study

SEE FULL CLINICAL STUDY
Graph showing hair growth statistics with percentages on a green background
Before and after comparison of hair growth over 24 weeks, showing a section of hair with a dotted line indicating measurement.
Before and after comparison of hair thickness with a focus on a rectangular section.
Bar graph comparing placebo and 'The System' for grey hair growth

Results based on a 6-month, randomized, double-blind, placebo-controlled study of the effects of The System on the appearance of grey hair on 173 subjects, ages 28-65, all less than 25% grey. Results determined by blinded clinical counting and/or clinical photo grading.

Why The System is Your Key to Less Grey, More Vibrant Hair

Not Today, Grey

  • Absorb

    Vitamins B6 and B9 optimize body function, setting a foundation for Arey's other ingredients to take effect.

  • Create

    Vitamin B5 promotes cell turnover and Selenium builds a defense against free radicals.

  • Energize

    Vitamin B12 and the Chinese herb Fo Ti fuel Melanin production, while Iron supports the production of red blood cells.

  • Protect

    Paba, Vitamin D & Copper help to protect hair from premature grey, while Vitamin B7 improves the protein structure of hair.

TO THE ROOT® SERUM

  • Stimulate

    A clinically efficacious peptide helps with repigmentation by stimulating the MC1-R (melanocortin 1 receptor).

  • Safeguard

    Antioxidants including Fo-Ti and sesame seed help reduce oxidative stress in the hair bulb.

  • Nourish

    Extracts from wasabi, ginseng, soybeans and hops provide nourishment to the roots and promote cell turnover to create healthier hair.

  • Volumize

    Pantothenic acid (B5), provides anti-inflammatory properties and is involved in activating the proliferation of cells in the skin barrier and also helps bind water to the skin, adding shine.

How to Use

The System addresses grey hair from the inside out and the outside in. 

Not Today, Grey addresses grey hair from the inside-out.

HOW TO USE:
  • Taking two Not Today, Grey supplements each day supplies the body with the vitamins, minerals and antioxidants that support production of hair pigment at the cellular level.
  • Tip: Take the supplement after a meal, instead of on an empty stomach.
To The Root® utilizes a clinically effective peptide combined with powerful antioxidants to preserve hair’s natural color and help repigment greying strands.

HOW TO USE:
  • Apply on wet or dry hair.
  • Create a part, and pump the serum directly onto your scalp.
  • Apply 3-4 pumps to areas of concern 1-2 times per day.
  • You can also pump the serum onto your fingertips to get harder to reach areas.
  • Gently massage in.
  • Allow serum to absorb in for 10 minutes, then blow dry or let hair dry naturally.
4.3
Rated 4.3 out of 5 stars
Based on 1,294 reviews
Write a Review (Opens in a new window)
1,294 reviews
  • Jennifer R.
    Verified Buyer
    Age Range 47 - 56
    Percentage Grey 10%-20%
    What improvements have you noticed? (Optional) Less new grey hair
    How consistent are you with your usage? Daily
    How long have you been using the product? 2-3 months
    3 days ago
    Age Range 47 - 56
    Percentage Grey 10%-20%
    What improvements have you noticed? (Optional) Less new grey hair
    How consistent are you with your usage? Daily
    How long have you been using the product? 2-3 months
    Reviewing
    Not Today, Grey
    Rated 5 out of 5 stars
    Noticed a difference

    After using this for a couple months I have noticed a difference. I had a large gray patch on my front left side and it is definitely softer.

    Was this helpful?
    Arey
    22 hours ago

    Thank you for your review, Jennifer! We're so happy to hear that Not Today, Grey is making a noticeable difference for you after just a couple of months. It's great that you're seeing improvements in that gray patch on your front left side, especially that it's becoming softer - that's a really positive sign that the supplements are working to support your natural hair health! Consistency is key with our supplements, and it sounds like you're already on the right track. We appreciate you being a valued member of our community and look forward to continuing to provide you with exceptional haircare solutions tailored to your needs.

  • Joy H.
    Verified Buyer
    Age Range 35 - 46
    What improvements have you noticed? (Optional) Improved texture, volume, shine, Less new grey hair, Feeling more confident
    How consistent are you with your usage? Daily
    How long have you been using the product? 4-5 months
    1 week ago
    Age Range 35 - 46
    What improvements have you noticed? (Optional) Improved texture, volume, shine, Less new grey hair, Feeling more confident
    How consistent are you with your usage? Daily
    How long have you been using the product? 4-5 months
    Reviewing
    Not Today, Grey
    Rated 5 out of 5 stars
    Worth It!!!

    The Not Today, Grey supplements are packed with so many vitamins and I can already feel my hair becoming thicker, longer, healthier, and shinier.

    Was this helpful?
    Arey
    6 days ago

    Thank you for your wonderful review, Joy! We're so glad you're feeling the benefits of Not Today, Grey - it's great that you're noticing your hair becoming thicker, longer, healthier, and shinier! You're absolutely right that they're packed with so many vitamins, and it sounds like your hair is really responding well to the comprehensive formula. We appreciate you being a valued member of our community and look forward to continuing to provide you with exceptional haircare solutions tailored to your needs.

  • Anne P.
    Verified Buyer
    Age Range 35 - 46
    Percentage Grey 0%-10%
    What improvements have you noticed? (Optional) Improved texture, volume, shine, Less new grey hair
    How consistent are you with your usage? Daily
    How long have you been using the product? 4-5 months
    1 week ago
    Age Range 35 - 46
    Percentage Grey 0%-10%
    What improvements have you noticed? (Optional) Improved texture, volume, shine, Less new grey hair
    How consistent are you with your usage? Daily
    How long have you been using the product? 4-5 months
    Reviewing
    Not Today, Grey
    Rated 5 out of 5 stars
    Has helped add nutrients into my diet

    I take two capsules every day. I have noticed more energy and less greying.

    Was this helpful?
    Arey
    6 days ago

    Thank you for your wonderful review, Anne! We're thrilled to hear that Not Today, Grey is helping add nutrients to your diet and that you're experiencing more energy and less greying! We appreciate you being a valued member of our community and look forward to continuing to provide you with exceptional haircare solutions tailored to your needs.

  • Rebekah D. S.
    Verified Buyer
    Age Range 35 - 46
    Percentage Grey 0%-10%
    What improvements have you noticed? (Optional) Visible repigmentation, Less new grey hair
    How consistent are you with your usage? Daily
    How long have you been using the product? 6-11 months
    1 week ago
    Age Range 35 - 46
    Percentage Grey 0%-10%
    What improvements have you noticed? (Optional) Visible repigmentation, Less new grey hair
    How consistent are you with your usage? Daily
    How long have you been using the product? 6-11 months
    Reviewing
    Not Today, Grey
    Rated 5 out of 5 stars
    Less grey hair 🥳

    I started to notice more grey hair, started taking this supplement and see less grey than when I started. I've been taking this for 8 months now.

    Was this helpful?
    Arey
    6 days ago

    Thank you for your wonderful review, Rebekah! We're thrilled that Not Today, Grey is helping you see less grey hair after 8 months - that's exactly what we love to hear! It's amazing that you noticed the difference and are experiencing such great results with consistent use. We appreciate you being a valued member of our community and look forward to continuing to provide you with exceptional haircare solutions tailored to your needs.

  • Dana S.
    Verified Buyer
    Age Range 47-56
    Percentage Grey 10%-20%
    What improvements have you noticed? (Optional) Healthier scalp, Feeling more confident
    How consistent are you with your usage? Daily
    How long have you been using the product? <1 month
    3 weeks ago
    Age Range 47-56
    Percentage Grey 10%-20%
    What improvements have you noticed? (Optional) Healthier scalp, Feeling more confident
    How consistent are you with your usage? Daily
    How long have you been using the product? <1 month
    Reviewing
    The System
    Rated 5 out of 5 stars
    Just started using it

    I'm excited to use this system. It has been just over two weeks, and while I would not expect improvements yet, I can say that the serum is easy to use and does not leave my hair feeling sticky or with residue, and the supplements work well with my routine and digestion. Looking forward to the next few months!

    Was this helpful?
    Arey
    2 weeks ago

    Thank you for your wonderful review, Dana! We're happy to hear that you're excited about The System and that you're already enjoying how easy the serum is to use without any sticky residue. It's great that the supplements are working well with your routine and digestion too - that's exactly what we love to hear! You're absolutely right that it's still early days at just over two weeks, and we're excited for you to experience the full benefits as you continue with your consistent routine over the coming months. We appreciate you being a valued member of our community and look forward to continuing to provide you with exceptional haircare solutions tailored to your needs.

FAQs

The System is our inside-out and outside-in approach to slowing and repigmenting grey hair.

It pairs Not Today, Grey, our daily supplement, with To The Root®, our topical serum, to target greying at the root causes—oxidative stress, nutrient depletion, and pigment loss.

  • Not Today, Grey replenishes vitamins, minerals, and antioxidants that support healthy pigment production and new hair growth.
  • To The Root® delivers our patented Mela-9® Complex, a clinically validated blend of antioxidants and a peptide that helps slow and repigment greys while supporting thicker, fuller hair.

Consistent daily use is key, which is why we offer up to 25% off subscriptions to help you stay on track.

Results vary by individual. Early greys respond best to repigmentation, and many customers see noticeable darkening of new growth with consistent use. While The System can’t change fully depigmented white hair back to its original shade, it can significantly slow the progression of greying and help repigment strands in the early stages.

Yes. The System is backed by the largest and only clinical study to date focused on the appearance of grey hair.

In a 6-month, randomized, double-blind, placebo-controlled study of 173 participants (ages 28–65, all with less than 25% grey), The System showed significant results compared to placebo:

  • 88% saw a decrease in new grey hair growth
  • 13% decrease in grey hair growth vs. a 10% increase in the placebo group
  • 3× more participants experienced thicker, fuller hair with enhanced shine compared to placebo

Results typically appear within 3–6 months of daily, consistent use, and were determined through blinded clinical counting. The study has been accepted for publication in the Journal of Drugs in Dermatology (JDD).

Most people start noticing changes like healthier, shinier, fuller hair within 1–3 months of daily use. Visible changes in grey regrowth and repigmentation typically occur over 3–6+ months, depending on the percentage of grey hair, lifestyle factors, and consistency.

Greying is a progressive biological process, so if you stop taking Not Today, Grey or applying To The Root®, your hair will gradually return to its natural greying pattern over time. Think of The System like a skincare or wellness routine — consistency is key to maintaining results.

Yes. Not Today, Grey is made in the USA in an NSF-certified, GMP-certified, and FDA-registered facility. Every batch is tested for purity and potency, ensuring that the supplement you take daily meets the highest standards for quality, safety, and consistency. These certifications mean you can trust the ingredients and results.

Yes. All Arey products are vegan, cruelty-free, and gluten-free, and made without silicones, parabens, or synthetic dyes.

No! Unlike many scalp serums, To The Root® is completely oil-free. Once it dries, there’s no residue, buildup, or stickiness—just clean, lightweight roots. In fact, the formula can actually add volume at the root, making it easy to incorporate into your regular styling routine.

Yes. All Arey products are safe for all hair types and colors, including textured and color-treated hair. The System works by supporting the hair follicle and pigment cells—not by depositing color—so it’s universally compatible.

Absolutely. The System is color-safe and can actually help counteract some of the damage caused by chemical processing. Our antioxidant-rich formulas nourish your scalp and strands to support thicker, healthier hair over time.

Yes, and we encourage it. The System can be layered with your usual haircare and styling products. For best results, pair it with our Shower Duo (Wash Shampoo + Smooth Conditioner) to help preserve existing pigment and enhance softness, smoothness, and fullness.

We always recommend consulting your doctor before starting any new supplement while pregnant or breastfeeding. While the topical serum is generally considered safe for external use, the supplement contains vitamins and minerals, so it’s best to get personalized guidance from your healthcare provider.

No. The System does not contain any dyes or colorants. It works by supporting your body’s natural pigment production, helping extend and restore your hair’s original color rather than covering greys.

Have other questions or need help?
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