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GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo

GRO Big Duo

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I agree this subscription will continue until I cancel; I will be charged the amount stated above at the interval stated above to the credit or debit card used to complete this purchase;

I agree this subscription will continue until I cancel; I may cancel at any time on-line through the customer portal, by filling out the contact us form, or by calling 213-325-5112; I will be charged the amount stated above at the interval stated above to the credit or debit card used to complete this purchase;

Cancellations are effective at the end of the then-current subscription period; To avoid future charges, cancel 5 business days prior to renewal.

You may cancel your membership at any time online in the account portal or by calling us here

You may cancel your membership at any time online in the account portal or by calling us here

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GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
GRO Big Duo
4.4
Rated 4.4 out of 5 stars
5,309 Reviews

GRO Big Duo

Our best-selling serum and lightweight styling foam work together to deliver instant, weightless volume while helping reduce hair shedding over time.

  • Helps reduce hair shedding
  • Adds weightless volume, body and bounce
  • Improves the appearance of hair instantly and over time


Includes: Full Size GRO Hair Serum, Full Size UPLIFT Volumizing Styling Foam

Subsequent subscription shipments will receive our best-selling GRO Hair Serum without the UPLIFT Volumizing Styling Foam every 30 days at the discounted subscription price of $49.

Benefits

Pairing our best-selling GRO Hair Serum with UPLIFT Volumizing Styling Foam, this kit brings care and styling together. GRO Hair Serum helps reduce the appearance of shedding over time, while UPLIFT instantly adds volume, body and bounce.

How to Use

GRO HAIR SERUM
- Apply a dropperful to scalp daily.
- Massage in.
- Use on wet or dry hair.
- Do not rinse.

UPLIFT VOLUMIZING STYLING FOAM
- Apply 2–3 pumps to damp hair and style as usual.
- For maximum volume and manageability, use a round brush when styling.

Ingredients

GRO HAIR SERUM
Water/Aqua/Eau, Butylene Glycol, Glycerin, Alcohol Denat., Polyglyceryl-10 Laurate, Caffeine, Curcuma Longa (Turmeric) Callus Conditioned Media, Citrus Bergamia Peel Oil Expressed, Sodium Phytate, Pentylene Glycol, Limonene, Citric Acid, Sodium Benzoate, Potassium Sorbate, Lactic Acid, (Trifolium Pratense (Clover)/Vigna Radiata) Sprout Extract, Linalool, Sodium Hydroxide, Biotin, Alcohol, Phytic Acid, Linalyl Acetate, Pinene, Nicotiana Benthamiana Octapeptide-30 sh-Oligopeptide-2, Nicotiana Benthamiana Hexapeptide-40 sh-Polypeptide-9, Nicotiana Benthamiana Hexapeptide-40 sh-Polypeptide-86

UPLIFT VOLUMIZING STYLING FOAM
Water/Aqua/Eau, Hydrolyzed Corn Starch, Propanediol, Glycerin, Linum Usitatissimum (Linseed) Seed Extract, Hydrolyzed Rice Protein, Laurdimonium Hydroxypropyl Hydrolyzed Barley Protein, Salvia Hispanica Seed Extract, Maranta Arundinacea Root Extract, Sophora Angustifolia Root Extract, Creatine, Tapioca Starch, Polyquaternium-68, Polyglyceryl-6 Caprylate, Polyglyceryl-4 Caprate, Decyl Glucoside, Cetrimonium Chloride, Tetrasodium Glutamate Diacetate, Xylitol, Caprylic Acid, Ammonium Bicarbonate, 1,2-Hexanediol, Ethylhexylglycerin, Citric Acid, Chlorphenesin, Sodium Benzoate, Caprylhydroxamic Acid, Phenoxyethanol, Potassium Sorbate, Fragrance/Parfum, Citrus Limon (Lemon) Peel Oil, Benzyl Alcohol, Limonene, Pinene, Citral

Clinical Results

GRO HAIR SERUM
93% saw less shedding*
90% saw improved appearance of hair*
83% said hair felt stronger*

*Based on a 120-day consumer perception study of 40 participants using GRO Hair Serum once daily.

UPLIFT VOLUMIZING STYLING FOAM
2x the volume*
24-hour humidity and frizz reduction*
Heat protection from blow-dry styling**

*In a controlled hair swatch study of UPLIFT Styling Foam.
**Up to 291°F/144°C.
Hair Wellness® Delivered
Hair Wellness® Delivered
Holistic Support
Designed to nurture your scalp, strands and overall well-being
Plant Powered
Thoughtfully formulated with naturally effective ingredients
Science Backed
Trusted solutions that are proven to deliver visible, reliable results
Science-Backed
Trusted by Experts
Vegan
Clean
Cruelty-Free
Science-Backed
Trusted by Experts
Vegan
Clean
Build Your Hair Wellness® Routine
GRO Hair Serum
Best Seller
4.4
Rated 4.4 out of 5 stars
5,703 Reviews
GRO Hair Serum
From $49 $64
Helps reduce hair shedding.
GRO+ Advanced Hair Serum
Best Seller
4.7
Rated 4.7 out of 5 stars
490 Reviews
GRO+ Advanced Hair Serum
From $65 $78
Reduces shedding and visible signs of breakage.
GRO+ Advanced Gel-Serum Pen
4.0
Rated 4.0 out of 5 stars
3 Reviews
GRO+ Advanced Gel-Serum Pen
From $43 $48
Target spots where shedding shows the most.
GRO+ Advanced Hair Growth & Density Supplements
4.8
Rated 4.8 out of 5 stars
16 Reviews
GRO+ Advanced Hair Growth & Density Supplements
From $78 $88
30-day supply of MD-formulated supplements.
GRO Dry Shampoo
4.7
Rated 4.7 out of 5 stars
1,070 Reviews
GRO Dry Shampoo
From $32 $36
Absorbs oil and neutralizes odor.
Baby Hair Strengthen & Style Wand
5.0
Rated 5.0 out of 5 stars
1 Review
Baby Hair Strengthen & Style Wand
$24
Instantly smooth baby hairs and flyaways.
Styling & Strengthening Duo
Styling & Strengthening Duo
$79 $88
A complete care-and-style kit.
HYDR-8 Weightless Repair Oil
4.9
Rated 4.9 out of 5 stars
173 Reviews
HYDR-8 Weightless Repair Oil
From $42 $48
Hydrates, smooths frizz and boosts shine.

30% Off with HYDRATE

Code auto-applied at checkout

GRO AGELESS Anti-Gray Hair Serum
4.6
Rated 4.6 out of 5 stars
183 Reviews
GRO AGELESS Anti-Gray Hair Serum
From $68 $78
Helps reduce the appearance of new grays.
UPLIFT Volumizing Styling Foam
New
4.7
Rated 4.7 out of 5 stars
121 Reviews
UPLIFT Volumizing Styling Foam
From $14 $32
Adds instant volume, body and bounce.
Frequently Asked Questions
Which hair type is GRO Hair Serum best for?

GRO Hair Serum is ideal for those looking to reduce shedding and support fuller, healthier-looking hair.

How soon can I expect to see results with GRO Hair Serum?

With consistent daily use, many people see results from GRO Hair Serum within 3–4 months.

Will GRO Hair Serum make my hair greasy?

No. GRO Hair Serum is water-based and fast-absorbing, so it won’t leave your hair feeling greasy or weighed down.

What happens if I stop using GRO Hair Serum?

Hair Wellness® is an ongoing journey. If you stop using GRO Hair Serum, you may notice your hair gradually return to its natural state within a few months.

View All Frequently Asked Questions

Reviews