Pyrrolidinyl Diaminopyrimidine Oxide

The “Follicle Revitalizer” for Powerful Anti-Hair Loss

A high-efficiency synergistic complex engineered to optimize hair follicle vitality. By revitalizing dormant follicles and combating the hardening of collagen around the hair root, it ensures a healthier scalp environment and promotes visible hair density and regrowth.

CAS No.

55921-65-8

Source

Synthetic (Cosmetic Grade)

Appearance Color

White to off-white crystalline powder

Key Parameter

Purity ≥ 99.0%

Solubility

Soluble in water, propylene glycol, and ethanol

1. Product Description

Pyrrolidinyl Diaminopyrimidine Oxide is a potent active ingredient specifically developed to combat hair loss and stimulate hair regrowth. Often compared to Minoxidil due to its similar molecular structure, it works by targeting the root causes of hair thinning. It effectively prevents the perifollicular fibrosis (hardening of collagen) that chokes hair roots, thereby restoring the nutrient supply to the follicles. This promotes the transition of hair from the telogen (resting) phase to the anagen (growth) phase, resulting in thicker, stronger, and more resilient hair.

Core Selling Points & Key Advantages:

  • Proven Anti-Hair Loss Efficacy: Directly addresses hair thinning by softening the collagen structure around the follicle, preventing premature hair fall.

  • Follicle Revitalization: Acts as a powerful stimulant to wake up dormant follicles, significantly increasing hair density and volume over time.

  • Optimized Safety Profile: Unlike pharmaceutical alternatives, it is designed for cosmetic applications with excellent skin tolerance and minimal irritation.

  • Enhanced Root Anchoring: Strengthens the attachment of the hair fiber to the scalp, making hair less prone to breakage and shedding.

  • Easy Formulation Integration: Highly stable in aqueous and alcoholic solutions, making it ideal for hair serums, toners, and scalp treatments.


2. Key Specifications & Technical Parameters (Commercial Comparison)

SpecificationStandard GradeHuatai Premium Grade
Purity (HPLC)≥ 98.0%≥ 99.5%
Melting Point185°C – 195°C190°C – 192°C
Loss on Drying≤ 1.0%≤ 0.5%
Heavy Metals< 20 ppm< 10 ppm
Total Plate Count< 1000 cfu/g< 100 cfu/g

3. Biological Mechanism of Action (MoA)

  • Anti-Fibrosis Action: Inhibits the lysyl hydroxylase enzyme, preventing the over-production and hardening of collagen around the hair follicle that causes premature shedding.

  • Vasodilation Effect: Promotes microcirculation around the dermal papilla, ensuring that vital nutrients and oxygen reach the hair root.

  • Anagen Phase Extension: Encourages hair follicles to stay in the growth phase longer, leading to increased hair length and thickness.


4. Formulation & Processing Guidelines

  • Dosage: Recommended inclusion level is 0.5% – 1.5% for daily maintenance, and up to 2.0% – 5.0% for intensive anti-hair loss treatments.

  • pH Stability: Best maintained in a formulation pH range of 5.0 – 8.0.

  • Processing: Can be dissolved in the water phase or an alcohol-water mixture. Avoid prolonged heating above 60°C to maintain maximum molecular activity.


5. Market Advantages & Synergies

  • The “Minoxidil Alternative”: Offers a market-ready, cosmetic-grade alternative for brands looking to claim hair growth benefits without pharmaceutical restrictions.

  • Synergy with Scalp Actives: Works exceptionally well when paired with Caffeine (for circulation) or Peptides (for structural repair) to create a comprehensive hair-growth system.

  • Non-Greasy Sensory Feel: Formulations using this active remain light and non-oily, enhancing consumer compliance for daily scalp application.


6. Quality Assurance & Regulatory Support

  • Cosmetic Grade Only: Produced strictly for topical cosmetic use, ensuring the absence of pharmaceutical-grade impurities or restricted medicinal substances.

  • Full Regulatory Dossier: We provide detailed COA, MSDS, and technical data sheets to support your global product registration.

  • Safety Verified: Extensive testing confirms low potential for skin sensitization, ensuring suitability for long-term scalp leave-on products.


7. Partner with Shaanxi Huatai Bio-fine Chemical Co.

Shaanxi Huatai Bio-fine Chemical Co., Ltd. is a specialized supplier of high-purity actives for hair and skin care. Our Pyrrolidinyl Diaminopyrimidine Oxide is trusted by global manufacturers for its consistent quality and proven performance.

  • Direct Factory Supply: Competitive B2B pricing with scalable production to meet your market demands.

  • R&D Support: Our technical team can assist in optimizing your hair care formulations for maximum active delivery.

  • Global Logistics: Reliable international shipping with all necessary documentation for seamless customs clearance.

Shaanxi Huatai Bio-Fine Chemicals Co., Ltd. is a specialized manufacturer of advanced Functional Skincare Ingredients, providing scalable wholesale solutions for global beauty brands. We offer high-purity bulk supplies of Glabridin (brightening), Licochalcone A (anti-acne), Totarol, and Dipotassium Glycyrrhizinate. With tailored concentrations (1%–99%) and comprehensive OEM capabilities, our ISO 9001/22000 and COSMOS certified facilities guarantee premium cosmetic-grade quality for every wholesale order.

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