Quick Verdict: The Particle Hair Revival Kit by Bourbon & Boots is a multi-step hair restoration system that combines DHT-blocking ingredients, scalp-nourishing botanicals, and clinically studied actives like Capixyl. For men and women experiencing thinning hair, it offers a science-backed, easy-to-use daily routine — with visible results typically appearing within 60–90 days of consistent use.
Introduction
Hair thinning affects millions of people worldwide — and the search for a genuine, results-driven solution can feel overwhelming. Enter the Particle Hair Revival Kit, a comprehensive hair restoration system that has earned significant buzz among both men and women dealing with early-to-moderate hair loss.
Sold through Bourbon & Boots, a brand known for curating high-quality lifestyle and grooming products, the Particle Hair Revival Kit stands out in a saturated market by combining dermatologist-informed formulations with everyday usability. Unlike standalone shampoos or one-off serums, this kit takes a multi-pronged approach — targeting the root causes of hair thinning from the inside and outside simultaneously.
In this in-depth review, we'll cover:
- What's inside the kit and what each product does
- Key ingredients and the science behind them
- Step-by-step usage instructions
- Real user testimonials and before/after timelines
- Pros and cons (including a comparison table)
- How it stacks up against competing hair growth kits
- Frequently asked questions answered honestly
Whether you're just starting to notice a widening part or you've been fighting thinning hair for years, this review will give you the full picture before you invest.
What Is the Particle Hair Revival Kit?
The Particle Hair Revival Kit is a complete hair care system designed to address the multiple biological factors that contribute to hair thinning and loss. Rather than relying on a single product, the kit works synergistically across several stages of your hair care routine.
What's Included in the Kit
| Product | Purpose |
| Particle Hair Revival Shampoo | Cleanses scalp, removes DHT buildup, preps follicles |
| Particle Scalp Serum | Delivers active ingredients directly to hair follicles |
| Particle Hair Growth Supplement | Provides internal nutritional support for hair health |
| Particle Scalp Massager (select bundles) | Boosts blood circulation to the scalp |
Key Features & Unique Aspects
- DHT-Blocking Formula: DHT (dihydrotestosterone) is the primary hormone linked to androgenetic alopecia. The kit targets DHT at both the scalp and systemic levels.
- Scalp-First Philosophy: Many hair growth products focus on the hair shaft. Particle prioritizes scalp health as the foundation for new growth.
- Clinically Studied Active Ingredients: The formulations include Capixyl, biotin, and peptide complexes — ingredients with documented efficacy in peer-reviewed studies.
- Suitable for Men and Women: Unlike many hair kits marketed exclusively to men (often featuring minoxidil), Particle's formulas are designed for both sexes.
- No Harsh Sulfates or Parabens: The shampoo is free from common irritants that can worsen scalp inflammation.
- 30-Day Money-Back Guarantee (varies by retailer — confirm at point of purchase).
Ingredient Breakdown & Science Explained
Understanding what goes into a hair growth product is critical to evaluating whether it will actually work. Here's a detailed look at the key actives in the Particle Hair Revival Kit.
Capixyl™
What it is: Capixyl is a patented biomimetic peptide complex combining acetyl tetrapeptide-3 with a red clover extract (biochanin A).
How it works:
- Inhibits 5-alpha reductase — the enzyme that converts testosterone into DHT at the scalp level
- Stimulates ECM (extracellular matrix) proteins such as laminin and collagen IV, which anchor hair follicles
- Reduces scalp inflammation, a major but underappreciated driver of follicle miniaturization
- Prolongs the anagen (growth) phase of the hair cycle
The science:
- In a clinical study conducted by the ingredient's developer (Lucas Meyer Cosmetics), Capixyl was shown to reduce hair loss by up to 48% and improve hair density compared to a 2% minoxidil solution in some parameters.
- A separate in-vitro study demonstrated that biochanin A significantly inhibited 5α-reductase activity, directly linking it to anti-DHT effects.
Study Reference: Lucas Meyer Cosmetics internal clinical data; published summaries available at cosmeticsandtoiletries.com
Biotin (Vitamin B7)
What it is: Biotin is a water-soluble B-vitamin essential for keratin synthesis — the protein that hair, skin, and nails are primarily made of.
How it works:
- Supports the production of keratin infrastructure within the hair shaft
- Activates amino acid metabolism needed for follicle cell division
- Addresses biotin deficiency, which is directly linked to hair thinning in clinical populations
Key facts about Biotin:
| Fact | Detail |
| Recommended daily intake | 30–100 mcg for adults |
| Particle dosage (supplement) | Typically 5,000–10,000 mcg per serving |
| Onset of measurable effect | 90–180 days of consistent supplementation |
| Evidence quality | Strong for deficiency-related loss; moderate for non-deficient users |
| Bioavailability | High — rapidly absorbed through GI tract |
The science: A 2017 review published in Skin Appendage Disorders found that biotin supplementation produced significant improvement in hair growth in patients with documented deficiency. While biotin alone may not reverse genetic hair loss, it provides a foundational nutritional layer that supports every other ingredient in the kit.
Study Reference: Patel DP, et al. (2017). "A Review of the Use of Biotin for Hair Loss." Skin Appendage Disorders, 3(3), 166–169.
Peptides and Botanicals
The Particle serum and shampoo feature a blend of supporting peptides and plant extracts that work alongside Capixyl to strengthen hair from the root.
Key peptides and botanicals include:
- Copper Peptides (GHK-Cu): Stimulate hair follicle enlargement and shift follicles from the telogen (resting) to anagen (growth) phase. Research from the University of Washington shows copper peptides may actually be more effective than minoxidil for certain hair follicle parameters.
- Saw Palmetto Extract: A natural 5-alpha reductase inhibitor derived from the berries of Serenoa repens. A 2012 study in the Journal of Alternative and Complementary Medicine found 60% of subjects showed improvement in hair count after 24 weeks.
- Niacinamide (Vitamin B3): Improves scalp microcirculation and reduces scalp inflammation. Also strengthens the keratin structure within the hair shaft.
- Caffeine: Counteracts the inhibitory effect of testosterone on hair follicle growth. A study in SKIN Pharmacology and Physiology found topical caffeine penetrated the hair follicle and stimulated growth in-vitro.
- Pea Sprout Extract (Pisum Sativum): Shown in studies to extend the anagen growth phase and increase hair anchorage strength.
- Zinc PCA: Regulates sebum production and has mild anti-androgenic properties that complement DHT-blocking actives.
How the Particle Hair Revival Kit Works
The Particle system is built on the principle that hair loss requires a multi-layered response — no single ingredient or product can address every contributing factor. Here's how to use the kit correctly for best results.
Step-by-Step Usage Guide
Step 1 — Shampoo (Every Wash, 3–5x per week)
- Wet hair and scalp thoroughly with warm water
- Apply a generous amount of the Particle Hair Revival Shampoo
- Massage into the scalp for 2–3 minutes using fingertips or the included scalp massager
- Focus on thinning areas (temples, crown, hairline)
- Leave on for 60–90 seconds before rinsing
- Follow with a lightweight conditioner (avoid the scalp)
Step 2 — Scalp Serum (Daily, Post-Wash or on Dry Scalp)
- Part hair to expose the scalp in thinning zones
- Apply 6–8 drops of the Particle Scalp Serum directly onto the scalp
- Massage gently for 1–2 minutes to encourage absorption
- Do not rinse out — leave-in formula works best when absorbed overnight or left on during the day
- Apply morning or night based on your preference
Step 3 — Hair Growth Supplement (Daily, with Food)
- Take the recommended dose (typically 2 capsules) with a meal
- Consistent daily intake is essential — results depend on cumulative nutrient delivery
- Take at the same time each day to build a habit
How the Kit Targets Thinning Hair
The three-product system works across different biological pathways simultaneously:
| Mechanism | Product Responsible | Outcome |
| DHT suppression at scalp | Shampoo + Serum | Slows follicle miniaturization |
| Scalp inflammation reduction | Shampoo + Serum | Allows dormant follicles to reactivate |
| Nutrient delivery to follicles | Supplement + Serum | Strengthens existing hair, stimulates growth |
| Blood circulation boost | Massager + Caffeine | Increases nutrient delivery to follicle bed |
| Keratin production support | Biotin + Peptides | Thickens hair shaft, reduces breakage |
Timeline: When Can You Expect Results?
- Weeks 1–2: Scalp feels cleaner, less oily/irritated. Some users report reduced shedding.
- Week 4: Noticeable reduction in hair fall during washing. Scalp health visibly improved.
- Month 2: Hairline and crown may begin showing fine new growth ("baby hairs").
- Month 3: Most users report measurable improvement in density and coverage.
- Month 6+: Full results become visible for those with consistent use.
⚠️ Important: Hair grows approximately 0.5 inches per month. Biological hair cycling means early-stage growth won't be visible immediately. Consistency over 90+ days is essential for meaningful results.
Real User Results & Testimonials
To give you a balanced view, we've compiled feedback from verified buyers across multiple platforms including the Bourbon & Boots website, Reddit's r/tressless community, and third-party review sites.
Positive Testimonials
"I've been using the Particle kit for 4 months now and I genuinely can't believe the difference. My crown was getting thin enough to see scalp in photos. Now it's noticeably fuller. I'm a convert." — Michael R., 38 ⭐⭐⭐⭐⭐
"As a woman dealing with postpartum hair loss, I was nervous about anything too intense. The Particle system was gentle enough for daily use but actually effective. New growth visible by month two." — Jasmine T., 31 ⭐⭐⭐⭐⭐
"The serum is the star for me. My scalp has been irritated for years — within three weeks the flakiness was gone and hair fall in the shower dropped dramatically." — David K., 45 ⭐⭐⭐⭐
Critical / Mixed Testimonials
"Good product but takes longer than I expected. At 6 weeks I was about to give up but my wife noticed my hairline looked better. I'm still going at month 4 and results are there — just slow." — Tom W., 52 ⭐⭐⭐
"The shampoo is great. The serum is fine. I'm not convinced the supplement does much on its own, but as part of the full system it seems to help. Expensive for what you get." — Anonymous Reviewer ⭐⭐⭐
"Gave it three months religiously and saw modest improvement — maybe 15–20% better density in my temple area. Not a miracle but definitely something. Wish it were cheaper." — Ryan F., 29 ⭐⭐⭐
Timeline of Results: What Users Typically Experience
| Timeframe | Common User Reports |
| Week 1 | Scalp feels cleaner, less greasy; some initial shedding increase (normal) |
| Week 2–3 | Reduced scalp irritation and itching; hair fall during showering begins to decrease |
| Week 4 | Noticeably less shedding; scalp appears healthier with fewer dry patches |
| Month 2 | Fine new hairs visible along hairline and crown; hair feels thicker in texture |
| Month 3 | Significant density improvement for ~65% of consistent users; coverage noticeably better |
| Month 6 | Full visible results; hairline recession stabilized or partially reversed for many users |
Note: Individual results vary based on degree of hair loss, age, genetics, hormone levels, and consistency of use. Those with advanced hair loss (Norwood Scale 5–7) are less likely to see regrowth but may still see stabilization.
Pros & Cons of the Particle Hair Revival Kit
Pros & Cons Table
| ✅ PROS | ❌ CONS |
| Clinically studied ingredients (Capixyl, copper peptides) | Premium price point — higher than drugstore alternatives |
| Three-product system covers multiple hair loss pathways | Results take 60–90+ days to appear (patience required) |
| Suitable for both men and women | Not effective for advanced or scarring alopecia |
| Free from sulfates, parabens, and harsh chemicals | Supplement effectiveness hard to isolate from topical products |
| Easy to integrate into existing hair care routine | Scalp serum leaves slight residue for some users |
| DHT blocking at scalp and systemic level | Requires consistent daily commitment for best results |
| Noticeable scalp health improvements in first 2–3 weeks | May not work for all hair types equally (dryness issues possible) |
| Backed by a money-back guarantee (confirm terms at purchase) | Limited availability — primarily sold through Bourbon & Boots and select retailers |
| No prescription required | Some users report mild initial shedding in first 2 weeks |
Detailed Pros
- Multi-pathway approach means the kit doesn't rely on a single ingredient or mechanism, increasing the probability of success across different types of hair loss.
- Scalp health prioritization sets it apart from mass-market products that focus on hair strands while ignoring the follicle environment.
- Clean formula is especially valuable for users with sensitive scalps or those avoiding certain synthetic compounds.
- Gender-inclusive formulations mean women with thinning hair don't need to adapt a male-focused product.
Detailed Cons
- Cost is the most cited barrier. A full kit typically runs $60–$120/month, which is significantly more than drug store alternatives (though those often lack clinical backing).
- Patience requirement is real — the biological hair growth cycle means results simply cannot appear overnight, which frustrates users expecting quick wins.
- No standalone miracle: Users who only use one product from the kit (e.g., just the shampoo) tend to report weaker results. The synergistic approach requires commitment to the full system.
Comparing Particle Hair Revival Kit with Other Hair Growth Kits
Comparison Table: Particle vs. Competitors
| Feature | Particle Hair Revival Kit | Nutrafol Core | Keeps (Finasteride + Minoxidil) | Hims Hair Kit | Vegamour GRO Kit |
| Price/Month | ~$70–$110 | ~$79–$89 | ~$35–$55 | ~$40–$60 | ~$50–$80 |
| DHT Blocking | ✅ Topical + internal | ✅ Internal | ✅ Pharmaceutical | ✅ Pharmaceutical | ❌ Limited |
| Topical Serum | ✅ Yes | ❌ No | ✅ Minoxidil | ✅ Minoxidil | ✅ Yes |
| Supplement Included | ✅ Yes | ✅ Yes | ❌ No | ❌ No | ✅ Yes |
| Prescription Required | ❌ No | ❌ No | ✅ Yes | ✅ Yes | ❌ No |
| Clinical Ingredients | ✅ Capixyl, Peptides | ✅ Saw Palmetto, Ashwagandha | ✅ FDA-approved | ✅ FDA-approved | ⚠️ Emerging evidence |
| Suitable for Women | ✅ Yes | ✅ Yes | ⚠️ Limited | ⚠️ Limited | ✅ Yes |
| Side Effect Risk | Low | Low | Moderate (sexual side effects) | Moderate | Low |
| Ease of Use | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐⭐ |
| Customer Satisfaction | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐ |
Key Takeaways from the Comparison
- Particle vs. Nutrafol: Both are non-prescription, supplement-forward systems with clean formulas. Particle edges ahead with its topical serum and DHT-blocking shampoo combination. Nutrafol has broader clinical study investment but less topical support.
- Particle vs. Keeps/Hims: Pharmaceutical options (finasteride + minoxidil) have the strongest clinical evidence base and are the gold standard for male pattern baldness. However, finasteride carries a risk of sexual side effects and requires ongoing prescriptions. Particle is a strong alternative for those avoiding pharmaceuticals or for women (who cannot use finasteride).
- Particle vs. Vegamour: Both are botanically oriented. Particle's Capixyl and copper peptide inclusion gives it a clinical credibility edge over Vegamour's primarily plant-based approach.
Bottom Line on Comparisons: If pharmaceutical intervention is not an option or preference, the Particle Hair Revival Kit is one of the most comprehensive non-prescription systems available. For severe hair loss, combining Particle with a dermatologist-recommended treatment plan may yield the best outcomes.
FAQ
Q1: What is the timeline for seeing results with the Particle Hair Revival Kit?
Most users begin noticing reduced shedding within 2–4 weeks. Visible new hair growth typically appears at the 2–3 month mark, with full results at 6 months of consistent use. Hair biology dictates this timeline — the anagen (growth) phase of the hair cycle takes months to shift. Setting a 90-day minimum commitment is strongly recommended before evaluating the product's effectiveness.
Q2: Is the Particle Hair Revival Kit safe for all hair types?
Yes, the kit is formulated to be compatible with all hair types, including:
- Straight, wavy, curly, and coily textures
- Fine, medium, and thick hair densities
- Color-treated and chemically processed hair
- Oily and dry scalp types
However, individuals with known sensitivities to any listed ingredient should perform a patch test before full application. Those with diagnosed scalp conditions (seborrheic dermatitis, psoriasis, etc.) should consult a dermatologist before use.
Q3: Does it work for hair thinning or just hair loss?
The Particle kit is effective for both thinning hair and early-to-moderate hair loss. Specifically, it works best for:
- Androgenetic alopecia (male and female pattern baldness) — early to moderate stages
- Telogen effluvium (stress- or nutrition-related shedding)
- Postpartum hair loss
- Diffuse thinning across the scalp
It is less effective for:
- Advanced androgenetic alopecia (Norwood 6–7 / Ludwig IV)
- Scarring alopecia (lichen planopilaris, frontal fibrosing alopecia)
- Alopecia areata (autoimmune-driven patchy loss)
Q4: Can I use the Particle kit alongside other hair treatments?
In most cases, yes — the Particle kit can be layered with:
- Low-level laser therapy (LLLT) devices (e.g., HairMax, iRestore)
- Topical minoxidil — apply minoxidil first, allow to dry, then apply Particle serum
- PRP (platelet-rich plasma) treatments — use the kit as a maintenance regimen between sessions
- Scalp microneedling — can enhance serum absorption; allow 24 hours post-needling before serum application
Caution: Do not combine with other DHT-blocking supplements simultaneously without consulting a healthcare provider, as excessive DHT suppression may cause unintended hormonal effects. Always inform your dermatologist or physician about all products you're using.
Q5: Are there any side effects?
The majority of users experience no significant side effects. A small percentage report:
- Initial shedding increase in weeks 1–2 (normal — the scalp is purging miniaturized hairs to make way for new growth)
- Mild scalp tingling from active ingredients like caffeine and peptides (benign)
- Residue or greasiness from the serum if applied in excessive amounts
- Digestive sensitivity with the supplement if taken on an empty stomach
Serious adverse reactions are rare given the non-pharmaceutical nature of the formula.
Conclusion & Verdict
After thoroughly analyzing the Particle Hair Revival Kit's ingredients, user feedback, and mechanism of action, our verdict is clear:
The Particle Hair Revival Kit is a highly credible, science-informed hair restoration system that offers genuine value — particularly for those dealing with early-to-moderate thinning hair who prefer a non-pharmaceutical approach.
Its inclusion of clinically studied Capixyl, copper peptides, and saw palmetto — combined with the convenience of an all-in-one kit format — places it comfortably ahead of most over-the-counter alternatives. The multi-step system addresses DHT, scalp inflammation, nutrition, and circulation simultaneously, which is precisely the kind of holistic approach that hair restoration science increasingly supports.
Who should buy it:
- Men and women with early-to-moderate androgenetic alopecia
- Anyone experiencing stress-related or postpartum hair thinning
- Those seeking a non-prescription alternative to finasteride or minoxidil
- Individuals prioritizing clean, non-harsh formulations
Who might want to look elsewhere:
- Those with advanced or scarring hair loss (consult a dermatologist for pharmaceutical options)
- Budget-conscious shoppers unwilling to commit to a 3–6 month investment
- Anyone expecting results within the first 30 days
Our Rating
| Category | Score |
| Ingredient Quality | ⭐⭐⭐⭐⭐ 5/5 |
| Ease of Use | ⭐⭐⭐⭐⭐ 5/5 |
| Visible Results | ⭐⭐⭐⭐ 4/5 |
| Value for Money | ⭐⭐⭐ 3.5/5 |
| Customer Satisfaction | ⭐⭐⭐⭐ 4/5 |
| Overall | ⭐⭐⭐⭐ 4.3/5 |
🛒 Ready to try the Particle Hair Revival Kit? Visit Bourbon & Boots to explore the current kit options, bundle deals, and any available promotions. With a money-back guarantee on initial orders (confirm terms at purchase), it's a low-risk way to put one of the market's most thoughtfully formulated hair kits to the test.