Redensyl vs Capixyl for Hair Loss: Benefits & Side Effects
BY TRYBELLO
Oct 27, 2025

Article-at-a-Glance
- Redensyl and Capixyl are innovative non-drug hair growth ingredients with distinct mechanisms of action: Redensyl targets stem cells while Capixyl focuses on DHT blocking and inflammation reduction.
- Capixyl combines acetyl tetrapeptide-3 with red clover extract to reduce DHT levels locally and decrease inflammation, showing up to 46% reduction in hair loss in studies.
- Both ingredients have minimal side effects compared to pharmaceutical options, making them attractive alternatives for those concerned about medication side effects.
- Trybello Hair Helper Spray Plus harnesses the power of Capixyl™ alongside biotin and caffeine to deliver noticeable hair growth and fullness in as fast as 4 weeks, with a 120-day growth guarantee.
What Causes Hair Loss and How These Ingredients Combat It
Hair loss rarely has a single cause. While genetics play a significant role in androgenetic alopecia (pattern baldness), factors like hormonal imbalances, inflammation, oxidative stress, and poor circulation all contribute to the progressive miniaturization of hair follicles. Both Redensyl and Capixyl were developed to address these underlying causes, though each tackles the problem from a different angle.
The normal hair growth cycle consists of three main phases: anagen (growth), catagen (transition), and telogen (resting). In healthy hair, about 85–90% of follicles are in the anagen phase at any given time. When hair loss occurs, this balance shifts, with more follicles entering the telogen phase prematurely and spending less time in the growth phase. Over time, the follicles also produce thinner, shorter hairs until they eventually stop producing hair altogether.
Another cause of hair loss is when androgens like dihydrotestosterone (DHT) bind to receptors in susceptible follicles, they trigger a cascade of events that leads to follicle miniaturization. This process is accompanied by inflammation, reduced blood flow, and oxidative stress, which further damage the follicles. Over time, the stem cell population becomes depleted, and the follicles lose their ability to produce thick strong hairs.
What makes Redensyl and Capixyl so interesting is their ability to intervene in these processes. Redensyl specifically targets stem cell activation and proliferation, helping to replenish the pool of cells needed for healthy hair cycling. Capixyl, meanwhile, combats both DHT accumulation and inflammation, addressing two major drivers of follicle miniaturization.
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- • Caffeine Extract – Blocks DHT and boosts blood flow to follicles
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- • Castor Oil – Soothes inflammation and locks in moisture
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Redensyl: The Innovative Hair Growth Molecule

Developed by Swiss-based Induchem (now part of Givaudan), Redensyl represents a significant breakthrough in non-drug hair regrowth technology.
Key Ingredients That Make Redensyl Work
Redensyl contains several powerful botanical compounds working synergistically to stimulate hair growth. The two most important components are dihydroquercetin-glucoside (DHQG) and epigallocatechin gallate-glucoside (EGCG2). DHQG is a derivative of plant flavonoids that specifically targets hair follicle stem cells, while EGCG2 is a stabilized derivative of green tea that provides antioxidant protection and anti-inflammatory benefits.
Additionally, Redensyl contains glycine and zinc, which support protein synthesis necessary for hair growth. Metabisulfite and glycine work together to promote cellular oxygen consumption, enhancing metabolic activity in follicular cells. This comprehensive formula addresses multiple aspects of hair growth simultaneously, which may explain its impressive clinical results.
Benefits and Effectiveness
Clinical studies on Redensyl have produced impressive results that rival or even exceed those of pharmaceutical hair loss treatments. A 2019 pilot study showed a +8% increase in anagen (growing) hair and +10,000 new hairs after 3 months.
Importantly, these benefits were achieved without the hormonal side effects associated with treatments like finasteride, making Redensyl a viable option for both men and women concerned about hair loss.
Potential Side Effects to Watch For
One of Redensyl's most significant advantages is its excellent safety profile. As a non-hormonal, plant-derived compound, it doesn't interfere with endocrine function or produce the sexual side effects associated with DHT blockers. Most users report no adverse effects when using Redensyl-containing products as directed.
In rare cases, some individuals may experience mild scalp irritation, redness, or itching, particularly if they have sensitive skin or allergies to any of the plant compounds in the formula. These reactions are typically mild and often resolve as the skin adjusts to the product. If persistent irritation occurs, it's advisable to discontinue use and consult with a dermatologist.
Capixyl: The Peptide-Based Hair Regrowth Solution

Developed by Lucas Meyer Cosmetics, Capixyl represents a different approach to combating hair loss.
Capixyl Ingredients: Tetrapeptide-3 and Red Clover Extract
Capixyl compound combines a biomimetic peptide (acetyl tetrapeptide-3) with red clover extract rich in biochanin A. The peptide component mimics natural proteins involved in extracellular matrix remodeling, while the botanical extract provides potent anti-androgenic and anti-inflammatory properties.
Unlike Redensyl, which primarily targets stem cell activation, Capixyl addresses multiple pathways involved in hair loss. It works by inhibiting 5-alpha reductase (the enzyme that converts testosterone to DHT), reducing inflammation in the scalp, and strengthening the extracellular matrix surrounding hair follicles. This comprehensive approach makes it particularly effective for androgenetic alopecia where DHT sensitivity plays a major role.
Benefits and Proven Results from Clinical Studies
Clinical studies on Capixyl have demonstrated impressive results for both reducing hair loss and stimulating new growth. In one study, a 5% Capixyl solution reduced hair loss by up to 46% compared to placebo after just 4 months of use. More importantly, it increased the ratio of anagen (growing) to telogen (resting) hairs, indicating a positive shift in hair cycle dynamics.
The improvements seen with Capixyl extend beyond just hair count measurements. Users typically report thicker hair diameter, improved shine and manageability, and reduced scalp inflammation. Since Capixyl addresses multiple aspects of the hair loss process, it tends to produce more holistic improvements in overall hair and scalp health compared to single-target treatments.
Possible Side Effects and Limitations
Like Redensyl, Capixyl has an excellent safety profile with minimal reported side effects. Some users may experience temporary scalp tingling or mild irritation, particularly when first starting treatment. These reactions typically subside within a few applications as the skin adapts to the active ingredients.
Since Capixyl works through localized rather than systemic effects, it avoids the sexual side effects and other concerns associated with oral DHT blockers, making it suitable for long-term use in most individuals.
Redensyl vs Capixyl: Head-to-Head Comparison
| Feature | Redensyl | Capixyl | Trybello Hair Helper Spray Plus (Capixyl-Based) |
|---|---|---|---|
| Primary Active Ingredients | Dihydroquercetin-glucoside (DHQG), EGCG2, glycine, zinc | Acetyl tetrapeptide-3, red clover extract (biochanin A) | Capixyl™, biotin, caffeine, plant-based actives |
| Mechanism of Action | Activates follicle stem cells, antioxidant support | DHT blocking, reduces inflammation, strengthens follicles | DHT lowering + follicle/nutrient support + enhanced absorption (caffeine) |
| Clinical Evidence | Up to 8% increase in anagen hair, +10,000 new hairs after 3 months | Up to 46% reduction in hair loss in 4 months, shifts growth/resting ratio | Capixyl/biotin studies + 4.8/5 user rating, >200,000 users |
| Time to Initial Results | ~3 months (visible growth/fullness) | 3–4 months (full benefits) | As fast as 4 weeks; most users see results in 1–3 months |
| Best For | Stem cell activation, men & women, gentle formulation | DHT-related, inflammatory & age-related thinning, sensitive scalps | Multiple hair loss types, scalp health, fast visible growth |
| Hormone-Free | Yes | Yes (plant-derived formula) | Yes (fully hormone-free, plant-based) |
| Safety & Side Effects | Mild scalp irritation, rare redness or itching | Temporary mild irritation, tingling, rare rashes | Minimal—similar to Capixyl (rare tingling/itching) |
| Available Formulations | Topical serums | Serums, sprays, shampoos, scalp treatments | Spray (optimized for absorption) |
| Recommended Application | Daily topical to thinning areas | Daily topical to scalp, consistency needed | Twice daily to clean, dry scalp, gentle massage |
| Scalp Health Benefits | Antioxidant, anti-inflammatory, supports new growth | DHT, inflammation reduction, strengthens anchoring | DHT reduction, anti-inflammatory, antioxidant protection |
| Synergistic Ingredients | Zinc, glycine, green tea; works synergistically | Works alone | Yes: Biotin for keratin, caffeine for absorption |
| Price | Premium pricing (due to patented blend) | Varies; premium for serums | $59.95 ($47.96 subscription) |
| Guarantee | Brand-dependent; usually 30–60 days | Brand-dependent; usually 30–60 days | 120 days (industry-leading for Trybello) |
| Can Be Combined with Rx | Yes (consult provider) | Yes (consult provider) | Yes (consult provider) |
Experience Fuller, Healthier Hair with Trybello Hair Helper Spray Plus
At Trybello, our innovative Trybello Hair Helper Spray Plus takes a comprehensive approach by featuring Capixyl™ as a key ingredient, working alongside biotin and caffeine to deliver exceptional results. Capixyl™ lowers DHT levels naturally through its biomimetic peptide and red clover extract, while biotin strengthens hair structure and caffeine enhances ingredient absorption.
Simply apply the spray to your scalp daily, focusing on thinning areas, and massage gently to promote absorption. This plant-based, hormone-free formula contains no silicones, parabens, or gluten, making it safe for long-term use.

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