
7 Best Products for Hair Growth and Thickness
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Time to read 6 min
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Time to read 6 min
Hair thinning and shedding are concerns that affect millions of people worldwide. Many people seek solutions to restore thickness and broadcast new growth, whether due to stress, genetics, aging, or hormonal imbalances. With many products claiming miraculous results, knowing what works can be challenging.
Science-backed hair growth treatments exist, and when used together as a system, they deliver results that individual products alone can’t match. In this guide, we have curated the best products for promoting hair growth and thickness in women, each selected for its effectiveness, clinical support, and ability to address various causes of hair loss.
A single factor rarely causes hair thinning, so a one-size-fits-all treatment often falls short of expectations. The most effective path to achieving thicker, fuller hair involves addressing multiple root causes, including poor scalp health, DHT buildup, weakened follicles, and nutritional deficiencies. That’s where a multi-product strategy excels.
You create an environment where hair can thrive by combining different treatment types, such as Low-Level Laser Therapy (LLLT), topical serums, scalp-stimulating tools, and nutritional support. This approach accelerates regrowth, improves hair quality, and reduces future shedding. Think of it as a full-spectrum system: targeting the scalp, follicles, and body from the inside out.
Below are seven highly effective products for thinning hair at BiohackWorld that work synergistically to promote hair regrowth, improve thickness, and support long-term scalp health. Whether you're addressing early thinning or advanced shedding, these products can be tailored into a personalized routine for both men and women.
The Capillus Synergy Kit is a 3-step system designed to improve scalp health, support stronger hair, and promote optimal conditions for growth. It includes an anti-residue shampoo that removes buildup, excess oil, and DHT from the scalp; a conditioner that repairs and hydrates without damaging hair strands; and a topical serum enriched with nutrients to help stimulate follicles and nourish the scalp. Each product is formulated for daily use and works together to enhance overall hair quality.
When used alongside Capillus laser therapy caps , the kit offers a comprehensive approach to hair care—combining external cleansing and repair with internal follicle stimulation. This dual-action method can lead to faster, more sustainable results for those beginning or continuing their hair regrowth routine. The formulas are free from sulfates and parabens, making them safe for long-term use.
The Capillus SPECTRUM Laser Cap is a clinically proven hair restoration device designed for fast, effective use—just 6 minutes a day. Equipped with 312 medical-grade laser diodes, it delivers powerful Low-Level Laser Therapy (LLLT) to deeply penetrate the scalp, stimulate dormant follicles, and extend the hair growth cycle. Unlike LED-based devices, Capillus uses laser-only technology for deeper, targeted stimulation, enhanced further by 808nm near-infrared wavelengths for maximum reach. The flexible-fit dome ensures full-head coverage, especially in thinning areas around the crown and part line.
FDA-cleared and assembled in the USA, the Capillus SPECTRUM combines comfort, performance, and convenience. The cap features Bluetooth connectivity to track progress through the Capillus App, a streamlined charging dock, and a discreet design that fits under your hat for hands-free therapy during daily routines. Ideal for those experiencing mild to moderate hair loss, this device offers an effective, science-backed solution built for real-world use.
The Capillus Derma Roller is designed to support hair regrowth by enhancing scalp health through microneedling. With 1200 stainless steel needles at 0.25mm length, it creates micro-channels that safely stimulate blood circulation, promote collagen production, and trigger the body’s natural healing response—all without damaging the scalp. Its precision makes it suitable for regular home use.
Beyond stimulation, the derma roller improves the absorption of topical treatments such as serums by clearing clogged pores and opening pathways for deeper penetration. This added effectiveness can accelerate your hair restoration routine and make each application more impactful.
The Capillus Hair Supplement targets nutrient deficiencies commonly linked to hair thinning, using a clinically supported formula centered around Cynatine HNS—a highly bioavailable keratin-based ingredient. Unlike standard keratin, Cynatine HNS is efficiently absorbed by the body and delivered directly to hair follicles, where it supports stronger, healthier growth from the root. Backed by a double-blind, placebo-controlled clinical trial, this supplement is designed to improve hair strength, texture, and overall scalp health.
Taken twice daily with meals, the supplement promotes visible improvements in hair thickness and fullness within 3–6 months of consistent use. Each dose helps reinforce the hair’s structure, stimulate new growth, and enhance resilience without exceeding recommended intake. Ideal for anyone seeking a science-backed, daily approach to hair support.
The Capillus Hair Serum is a lightweight, non-greasy topical treatment formulated to strengthen hair follicles and improve scalp health. Made with 100% natural ingredients and free from sulfates and parabens, it’s ideal for daily use—either on its own or after microneedling. The serum is applied directly to areas of concern once or twice a day to target thinning and fragile hair.
With consistent use, the formula works to reactivate weakened follicles, reduce breakage, and promote visibly thicker, fuller-looking hair. Scientifically tested and designed for long-term results, it helps create a healthier scalp environment that supports continuous hair growth and resilience.
The Capillus Shampoo is a gentle, sulfate-free cleanser designed to support scalp health as the foundation for effective hair growth. It removes dirt, oil, product buildup, and environmental pollutants without disrupting the scalp’s natural balance, making it suitable for regular use in any hair care routine.
A clean scalp is essential for maximizing the benefits of laser therapy. By clearing away surface barriers, this shampoo ensures that light energy from Capillus laser caps can reach hair follicles more effectively. Regular use helps maintain an optimal environment for hair regrowth treatments to work at their full potential.
The Capillus DHT Blocker is a daily supplement formulated to combat one of the root causes of pattern hair loss: excess dihydrotestosterone (DHT). Using a targeted blend of natural ingredients, it helps lower DHT levels in the body, protecting hair follicles from miniaturization and slowing the progression of androgenetic alopecia.
Safe for both men and women, this supplement supports stronger, thicker, and healthier-looking hair from within. It’s ideal for those experiencing genetic or hormonal thinning and complements topical treatments by addressing hair loss at the hormonal level.
You can achieve fuller, healthier hair using a targeted, multi-product approach. The Capillus system, featuring science-backed laser therapy, topical treatments, and nutritional support, offers one of the most effective paths to hair regrowth and thickness for both men and women.
Yes, and here’s why: Hair loss is rarely caused by one factor. It often results from hormone imbalances, poor scalp health, weakened follicles, and nutritional deficiencies. A multi-step routine, such as pairing a laser cap with a DHT-blocking shampoo, nourishing supplements, and a serum, allows you to simultaneously target all these root causes.
All the products featured here are formulated to be gender-neutral and safe for both men and women. They’re free from harsh chemicals, and many contain plant-based ingredients like saw palmetto, green tea, and collagen, making them men's best products for hair growth and thickness. Whether you're dealing with postpartum shedding, hormonal imbalances, or age-related thinning, these solutions can be tailored to your needs.
Most men notice reduced shedding within 60 to 90 days of consistent use, with visible regrowth and improved thickness appearing within 3 to 6 months. Results may vary depending on the severity of hair loss, age, and consistency of the routine. Men with early-stage hair loss tend to respond more quickly, especially when combining laser therapy with DHT blockers and nutritional support.
Hair regrowth takes time, but most users begin to see improvements in hair texture, reduced breakage, and less shedding within the first 8–12 weeks. More noticeable changes, such as increased density and new growth, typically occur between 3 and 6 months with consistent daily use. Patience and consistency are key to long-term success.
Long-term maintenance is crucial if your hair thinning is caused by genetic or chronic factors, such as androgenetic alopecia (AGA). Like skincare or physical fitness, stopping treatment can cause progress to stall or reverse. Fortunately, many users find it easy to integrate these products into their lifestyles, especially with low-effort tools like the 6-minute Capillus Laser Cap or daily supplements.