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Free shipping in the US on orders $25 or more only on this deal

Only while supplies last until Saturday, July 18 at midnight

ProGRO Density+ Scalp & Hair Serum

Starts at:
Retail price: $54.99
Deal price: $27.49
50%OFF
Backorders will ship in 28 days.
Stock reserved until this airs in the west. Holds lift at 11:30 AM ET. While supplies last.
You may backorder now to ship within 28 days. Immediate stock is reserved until 11:30 AM ET while supplies last.
This item is SOLD OUT.

A clean, drug-free, residue-free scalp and hair serum clinically tested to support visibly fuller-looking, stronger-feeling hair. Available in a 1oz 1-month supply or a 3 x 1oz 3-month supply. In a consumer perception study, 97% saw overall improvement and 90% noticed new growth in as little as 6 weeks. Powered by VitaGRO Complex, it addresses multiple triggers of visible thinning through one simple daily ritual with no drugs, no hormones, and no residue. Scented with fresh rosemary.

Drug-free. Dermatologist tested, hypoallergenic. Silicone-free, paraben-free, color-safe, cruelty-free, vegan. Made in the USA with globally-sourced materials.

Includes:

  • PROGRO DENSITY+ SCALP & HAIR SERUM (1oz, 1 Month Supply): a daily-use, residue-free serum powered by VitaGRO Complex. Clinically tested to address multiple triggers of visible thinning and shedding at once: re-energizing follicle stem cells, supporting denser-looking hair, promoting a balanced scalp environment, and strengthening strands so they look and feel fuller with consistent use. No drugs. No hormones. No rinse required.
  • PROGRO DENSITY+ SCALP & HAIR SERUM (3 x 1oz, 3 Month Supply): same formula as the 1-month supply. Three months of consistent daily use for sustained results, backed by a 44-day third-party clinical study.

Features:

  • Consumer perception study: 97% saw overall improvement, 93% saw less shedding, and 90% noticed new growth in as little as 6 weeks*
  • Clean and drug-free: no hormones, no harsh actives, no residue left on the scalp or strands
  • VitaGRO Complex targets multiple causes of visible thinning with Redensyl, Eterwell HAIR, and ALGAKTIV Densidyl
  • Redensyl, ALGAKTIV Densidyl and Eterwell HAIR re-energizes follicles to support visibly stronger, fuller-looking strands
  • promote denser-looking hair and support follicle longevity
  • Rosemary, caffeine, and saw palmetto natural DHT blockers provide botanical support for a balanced, healthier-feeling scalp
  • Drug-free, dermatologist tested, hypoallergenic, silicone-free, paraben-free, cruelty-free, vegan
  • Beauty with purpose is beauty that's better. Every bottle donates a bar of soap to someone in need. Track your impact with the Hope Code on pack.
  • *Based on a consumer perception study during a 44-day third-party clinical study on 30 females using ProGRO Density+ daily, April 2026

How to Use:

  1. Step 1: Apply directly to a dry or towel-dried scalp, focusing on areas of concern.
  2. Step 2: Massage gently with fingertips for about 60 seconds to work into the scalp.
  3. Step 3: Style as normal. No rinsing needed. Formula is residue-free and won't leave buildup.
  4. Pro tip: Consistency is what drives results. The clinical study observed visible improvement starting at 6 weeks of daily use.

INGREDIENTS: Water (Aqua), Glycerin (Redensyl/Eterwell Hair), Polysorbate 20, Pyrus Malus (Apple) Fruit Extract, Rosmarinus Officinalis (Rosemary) Leaf Oil, Propanediol (Algaktiv Densidyl), Niacinamide (Beauplex VH), Sodium Starch Octenylsuccinate (Beauplex VH), Chlorphenesin, Chlorella Emersonii Extract (Algaktiv Densidyl), Calcium Pantothenate (Beauplex VH), Caffeine, Maltodextrin (Beauplex VH), Guar Hydroxypropyltrimonium Chloride, Sodium Ascorbyl Phosphate (Beauplex VH), Citric Acid (Eterwell), Vanillyl Butyl Ether, Pyridoxine Hcl (Beauplex VH), Tocopheryl Acetate (Beauplex VH), Linum Alpinum Flower/Leaf/Stem Extract (Eterwell Hair), Glycine (Redensyl), Larix Europaea Wood Extract (Redensyl), Limonene, Lecithin (Algaktiv Densidyl), Sodium Metabisulfite (Redensyl), Linalool, Ascorbic Acid (Vitamin C) (Algaktiv Densidyl), Camellia Sinensis Leaf Extract (Redensyl), Silica (Beauplex VH), Zinc Chloride (Redensyl), Spirulina Maxima Extract (Algaktiv Densidyl), Serenoa Repens (Saw Palmetto) Berry Extract, Tocopherol (Algaktiv Densidyl)

A clean, drug-free, residue-free scalp and hair serum clinically tested to support visibly fuller-looking, stronger-feeling hair. Available in a 1oz 1-month supply or a 3 x 1oz 3-month supply. In a consumer perception study, 97% saw overall improvement and 90% noticed new growth in as little as 6 weeks. Powered by VitaGRO Complex, it addresses multiple triggers of visible thinning through one simple daily ritual with no drugs, no hormones, and no residue. Scented with fresh rosemary.

Drug-free. Dermatologist tested, hypoallergenic. Silicone-free, paraben-free, color-safe, cruelty-free, vegan. Made in the USA with globally-sourced materials.

Includes:

  • PROGRO DENSITY+ SCALP & HAIR SERUM (1oz, 1 Month Supply): a daily-use, residue-free serum powered by VitaGRO Complex. Clinically tested to address multiple triggers of visible thinning and shedding at once: re-energizing follicle stem cells, supporting denser-looking hair, promoting a balanced scalp environment, and strengthening strands so they look and feel fuller with consistent use. No drugs. No hormones. No rinse required.
  • PROGRO DENSITY+ SCALP & HAIR SERUM (3 x 1oz, 3 Month Supply): same formula as the 1-month supply. Three months of consistent daily use for sustained results, backed by a 44-day third-party clinical study.

Features:

  • Consumer perception study: 97% saw overall improvement, 93% saw less shedding, and 90% noticed new growth in as little as 6 weeks*
  • Clean and drug-free: no hormones, no harsh actives, no residue left on the scalp or strands
  • VitaGRO Complex targets multiple causes of visible thinning with Redensyl, Eterwell HAIR, and ALGAKTIV Densidyl
  • Redensyl, ALGAKTIV Densidyl and Eterwell HAIR re-energizes follicles to support visibly stronger, fuller-looking strands
  • promote denser-looking hair and support follicle longevity
  • Rosemary, caffeine, and saw palmetto natural DHT blockers provide botanical support for a balanced, healthier-feeling scalp
  • Drug-free, dermatologist tested, hypoallergenic, silicone-free, paraben-free, cruelty-free, vegan
  • Beauty with purpose is beauty that's better. Every bottle donates a bar of soap to someone in need. Track your impact with the Hope Code on pack.
  • *Based on a consumer perception study during a 44-day third-party clinical study on 30 females using ProGRO Density+ daily, April 2026

How to Use:

  1. Step 1: Apply directly to a dry or towel-dried scalp, focusing on areas of concern.
  2. Step 2: Massage gently with fingertips for about 60 seconds to work into the scalp.
  3. Step 3: Style as normal. No rinsing needed. Formula is residue-free and won't leave buildup.
  4. Pro tip: Consistency is what drives results. The clinical study observed visible improvement starting at 6 weeks of daily use.

INGREDIENTS: Water (Aqua), Glycerin (Redensyl/Eterwell Hair), Polysorbate 20, Pyrus Malus (Apple) Fruit Extract, Rosmarinus Officinalis (Rosemary) Leaf Oil, Propanediol (Algaktiv Densidyl), Niacinamide (Beauplex VH), Sodium Starch Octenylsuccinate (Beauplex VH), Chlorphenesin, Chlorella Emersonii Extract (Algaktiv Densidyl), Calcium Pantothenate (Beauplex VH), Caffeine, Maltodextrin (Beauplex VH), Guar Hydroxypropyltrimonium Chloride, Sodium Ascorbyl Phosphate (Beauplex VH), Citric Acid (Eterwell), Vanillyl Butyl Ether, Pyridoxine Hcl (Beauplex VH), Tocopheryl Acetate (Beauplex VH), Linum Alpinum Flower/Leaf/Stem Extract (Eterwell Hair), Glycine (Redensyl), Larix Europaea Wood Extract (Redensyl), Limonene, Lecithin (Algaktiv Densidyl), Sodium Metabisulfite (Redensyl), Linalool, Ascorbic Acid (Vitamin C) (Algaktiv Densidyl), Camellia Sinensis Leaf Extract (Redensyl), Silica (Beauplex VH), Zinc Chloride (Redensyl), Spirulina Maxima Extract (Algaktiv Densidyl), Serenoa Repens (Saw Palmetto) Berry Extract, Tocopherol (Algaktiv Densidyl)

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Backorders will ship in 28 days.
Return Policy

If any of your products arrive damaged, please reach out to us and we will replace all of the damaged products free of charge. Just e-mail us at service@soapboxsoaps.com with your order number and we will be happy to help!

If you are unsatisfied with our products for another reason, we offer a 30 day refund (from purchase date; return shipping is customers' responsibility and original shipping charges will not be refunded).