Hair loss can feel frustrating, especially when you’re doing everything right — eating well, reducing stress, and taking care of your scalp. But when the shedding won’t stop, it’s time to reach for products that are backed by real research. At RetailUndercut, we’ve examined dozens of hair growth treatments, from supplements to topicals, to find the most effective, science-supported options you can actually trust.
Here’s what we found at RetailUndercut after weeks of testing, research, and comparisons.
Nutrafol Women / Nutrafol Men
Nutrafol is a daily supplement that targets hair thinning from within by addressing root causes like stress, hormones, and poor nutrition. It’s formulated with botanical ingredients and has undergone clinical trials showing positive results in hair density and strength.
Features
- Uses medical-grade, drug-free ingredients like saw palmetto, ashwagandha, and marine collagen
- Physician-formulated for men and women
- Designed to reduce shedding, improve growth phase, and thicken strands
Use Case
Great for anyone experiencing stress-induced or hormone-related hair thinning. It works gradually over 3–6 months with consistent use.
Pros
- Backed by clinical studies
- Natural and drug-free
- Improves scalp health too
Cons
- Requires long-term use to see full benefits
- Pricier than standard multivitamins
This stood out for the RetailUndercut testing crew because of its whole-body approach.
Rogaine (Minoxidil) Foam or Solution
Rogaine is one of the only FDA-approved topical solutions proven to regrow hair. Available in foam or dropper form, it’s effective for both men and women experiencing pattern hair loss.
Features
- 5% minoxidil formula
- Clinically proven to reactivate shrunken hair follicles
- Daily application with visible results in 4–6 months
Use Case
Best for hereditary thinning, especially at the crown. Works well when applied consistently.
Pros
- FDA-approved and widely studied
- Easily available over-the-counter
- Works on both men and women
Cons
- Needs continuous use or hair loss resumes
- Can cause initial shedding
We’ve found it’s still the gold standard when it comes to regrowth on a budget.
Vegamour GRO Hair Serum
This plant-based serum uses clean ingredients like caffeine, mung bean, and red clover to promote visibly thicker, fuller-looking hair. It’s especially popular with clean beauty lovers.
Features
- Hormone-free, cruelty-free, vegan
- Dropper-style serum for daily use
- Focuses on follicle health and reducing shedding
Use Case
Perfect for those avoiding harsh chemicals and looking for a lightweight, easy-to-use growth booster.
Pros
- Pleasant, non-greasy texture
- Botanical ingredients
- Gentle enough for sensitive scalps
Cons
- Takes longer to show noticeable growth
- Less potent than prescription options
This one stood out to our team at RetailUndercut for its balance of clean beauty and consistent results.
Kiierr Laser Cap
The Kiierr Laser Cap uses low-level laser therapy (LLLT) to stimulate dormant hair follicles. It’s a hands-free option worn a few times a week, offering a high-tech approach to hair regrowth.
Features
- FDA-cleared LLLT device
- Hands-free wearable cap
- Safe for both men and women
Use Case
Ideal for users who prefer a drug-free, non-topical solution and are open to investing in long-term hair health.
Pros
- Clinically supported technology
- Easy to use while multitasking
- No mess, no medications
Cons
- High upfront cost
- Needs regular use (3–4 times/week)
Great for those who want to invest in tech-forward hair growth solutions without ongoing product purchases.
Viviscal Gorgeous Growth Densifying Shampoo and Conditioner
Viviscal’s hair care duo complements their well-known supplements. Infused with keratin, biotin, and zinc, it strengthens hair from the outside while maintaining scalp balance.
Features
- SLS-free and safe for color-treated hair
- Fortifies existing hair while supporting the hair growth cycle
- Light floral scent, non-stripping formula
Use Case
Helpful for those who want to optimize their current hair health and improve the look of fullness without supplements or medications.
Pros
- Affordable daily-use option
- Can be paired with any routine
- Adds volume and shine
Cons
- Won’t regrow hair alone
- Works best as a supportive product
We love using this when clients ask for something gentle but effective in everyday hair care.
Final Thoughts
Hair growth isn’t just about picking one magic product — it’s about building a system that supports your follicles from the inside out. At RetailUndercut, we look for products that blend real science with everyday practicality. Whether you’re just starting to notice thinning or have been dealing with hair loss for years, there’s a solution that fits your lifestyle and goals.
Looking to get serious about hair regrowth?
Check current pricing here and find the right mix for your journey to thicker, stronger hair.
