Hair Support for Women on a GLP-1
You're not imagining it, and it isn't the medication turning on you. A fast drop in weight can push a large group of hairs into their shedding phase at once. Our Stronger Strands System — ProGRO Density+ and Biotin Haircare Essentials — supports fuller-looking hair through the shed.*
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ProGRO Density+ Results
*Based on a 44-day third-party clinical study of 30 participants that measured shedding, fullness and breakage in a general population, April 2026.
Your body's under strain, hair's paying for it.
ProGRO supports your scalp through it.
ProGRO + Biotin work together, in as little as 6 weeks*
* Timing varies from person to person. Journey is for illustrative purposes only.
Why Is This Happening?
When your body loses weight quickly, it runs a steep energy and nutrient deficit—and hair is one of the first systems it deprioritizes. A large group of hairs can shift into shedding at once, usually showing up around three to four months after the change began. Knowing the pattern doesn’t make a shower drain full of hair less jarring, but your cycle does reset. The question is how you support your hair while it does.
GLP-1 Shedding, Explained
A fast, sustained drop in caloric intake reads to your body as a systemic stress, and hair is one of the first systems it deprioritizes while it catches up.
A GLP-1 works by making you eat considerably less. That's the point, but the body sees a steep, sustained calorie deficit as a systemic stress. That can cause a large group of hairs to enter their shedding phase together, usually in month 3 or 4.
Rapid weight loss draws heavily on protein and micronutrient stores. Rebuilding those takes time, and hair, one of the least essential systems for survival, is often the first thing your body deprioritizes while it catches up.
Because shedding often shows up months after the trigger, it rarely feels connected. People assume something new is wrong, but in most cases they are just seeing the delayed echo of something that already happened.
That's why the Stronger Strands System pairs two products for two different jobs: ProGRO Density+ supports your scalp through the shedding itself, while Biotin Essentials helps strengthen the strands already under everyday stress. Two problems, two products, built to work together.
Two Kinds Of Support
The hair falling out and the hair you’re trying to keep aren’t in the same fight. One is happening at your scalp. The other is about protecting the strands you already have.
The Problem: Ongoing shedding at the scalp
Clinically tested, drug-free scalp and hair serum powered by our VitaGRO Complex™. Works with your scalp and follicle environment to help calm shedding and support the appearance of visibly fuller, denser-looking hair over time.
93% saw a reduction in shedding · 76% saw a reduction in breakage
Shedding and breakage measured in a 44-day third-party study, 30 participants, Apr. 2026.
The Problem: Breakage and weaker strands
Biotin B7, vegan collagen, and elderberry help strengthen each strand by reducing breakage and supporting thicker, fuller-looking hair with every wash. Your Biotin Essentials shampoo, conditioner, and Oh My Growth booster work together for the full effect.
82% saw increased thickness on the full system · 85% said their hair looked less damaged
Thickness and hair-damage results measured in a 28-day study using the full biotin system, 33 participants, Aug. 2025.
Check with your doctor before use if you are pregnant or breastfeeding, have an active scalp condition, are managing an autoimmune condition affecting your hair, or are currently using Minoxidil or Finasteride.
Choose the one you need most, or get the complete system below ↓
Shop the Stronger Strands System
Calm shedding. Strengthen every strand.
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Our Satisfaction Promise
Consistent daily use is essential for the best results. If you're not satisfied after trying ProGRO Density+ for up to 90 days, return it. No stress, no strings attached!
Meet ProGRO Density+
Visible hair thinning isn’t one-size-fits-all; this formula addresses it from multiple angles at once.
| Ingredient | Pathway It Targets | What It Does |
|---|---|---|
| Redensyl™ | Scalp & dermal papilla support | Helps re-energize the scalp to support the appearance of renewed density. |
| ALGAKTIV® Densidyl® | Antioxidant support for the scalp | Helps protect against oxidative stress and supports a healthy follicle environment. |
| Eterwell™ HAIR | Botanical support for aging hair | Supports the natural hair cycle. |
| BeauPlex® VH | Vitamin synergy & scalp barrier support | Nourishes the scalp barrier for improved comfort and hydration. |
| Rosemary, Caffeine & Saw Palmetto (Botanical Blend) | Scalp stimulation & balance | Botanical support for a healthier-feeling scalp. |
Meet the biotin essentials
While ProGRO addresses the shedding at your scalp, your Biotin Essentials - shampoo, conditioner, and Oh My Growth booster - work to strengthen the strands you already have.
Rich in antioxidants, strengthens and reduces hair damage
Replenishes moisture and restores natural hair shine
Plumps strands to enhance natural hair volume
Pair your Biotin & Superfruit Volumizing Shampoo, Conditioner, and Oh My Growth with ProGRO Density+ for Best Results
Your Stronger Strands Timeline
No two experiences look exactly alike. Here’s a typical arc as you settle into the routine.
ProGRO and Biotin are getting to work on the shed.
This is the foundation stage. ProGRO supports your scalp through the active shedding while Biotin starts protecting the strands you're keeping. Consistency here is what sets up everything that follows.
This is when rebuilding starts to show.
As the shed begins to calm, Biotin's strengthening effects on your existing strands start to become visible. Hair starts to feel a little thicker and more resilient through the lengths.
Visibly fuller, stronger hair, day by day.
By this stage, many people notice visibly fuller-looking hair and a stronger, healthier-feeling scalp. It's the full ProGRO + Biotin system working together.
Frequently Asked Questions
Because a fast, sustained drop in intake reads to your body as a systemic stress, and hair is one of the first things it stops funding. A large group of follicles moves into their resting phase together, then lets go about three months later. That's why the shed feels like it arrived out of nowhere.
ProGRO Density+ is a topical, drug-free scalp serum, applied externally and never taken internally. Your doctor knows your full picture, so keep them looped in on everything you're using, and never change your prescription on your own.
Everyone's scalp and hair are different, but many people start noticing changes in as little as 6 weeks, with fuller results typically in the 6–12 week range. Consistent daily use is essential, and because the shed is tied to a change that already happened, we recommend patience over a single quick fix.
That's exactly what your Biotin Essentials are built for. Biotin B7, vegan collagen, and elderberry work on the strands you already have, helping reduce breakage and support fuller, thicker-looking hair with every wash. ProGRO Density+ is the one to reach for if active shedding at the scalp is the main issue; many people use both together as the Stronger Strands System.
ProGRO Density+ is built for consistent daily use through the shed window and beyond, for as long as you want to support fuller-looking hair. There's no required stop date, and it's backed by our 90-Day Satisfaction Promise if it's not working for you.
Every Bottle Gives Back
It’s as easy as 1 for 1. For every product purchased, we donate soap and support hygiene education worldwide.
Together, we’ve donated more than 60 million bars and counting. Because what you put on your hair and body should stand for something.
A 60-second daily ritual for visibly thicker, fuller-looking hair. Clean, drug-free science to support your scalp through GLP-1 shedding.
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