Biotinoyl Tripeptide-1 is a synthetic peptide widely used in cosmetic and dermatological formulations, especially in hair growth and eyelash/eyebrow enhancement products. It combines biotin (vitamin B7) with a short chain of amino acids (a tripeptide), designed to improve the delivery and biological activity of the compound.
Origin & Development
Biotinoyl Tripeptide-1 is a lab-designed biomimetic peptide, inspired by naturally occurring biological signaling molecules.
Biotin component: Derived from Biotin, a vitamin essential for keratin infrastructure (hair, skin, nails).
Tripeptide structure: Typically consists of three amino acids that mimic parts of extracellular matrix proteins.
Developed through peptide engineering to enhance:
- Skin penetration
- Stability in formulations
- Targeted biological signaling
It is often marketed under trade names like Procapil®, where it is combined with other active ingredients.
Chemical & Physical Properties
Basic characteristics:
- INCI name: Biotinoyl Tripeptide-1
- Molecular type: Peptide conjugate (biotin + tripeptide)
- Solubility: Water-soluble
- Appearance: Typically a clear to slightly yellow solution (in cosmetic formulations)
- Stability: Stable in a pH range ~4–7 (ideal for skincare/haircare products)
Structural features:
Contains:
- A biotin moiety (lipophilic vitamin part)
- A short peptide chain (hydrophilic signaling unit)
This dual nature improves skin affinity and bioavailability
Mechanism-Related Properties
Biotinoyl Tripeptide-1 is known for interacting with key biological pathways:
Strengthens hair anchoring
- Enhances adhesion proteins between hair follicle and dermis
Improves microcirculation
- Supports nutrient delivery to hair follicles
Anti-aging effects on hair follicles
- Helps reduce follicle miniaturization (linked to hair thinning)
ECM (Extracellular Matrix) support
- Stimulates production of proteins like collagen and laminin
Functional Introduction
In cosmetic science, Biotinoyl Tripeptide-1 is primarily used as:
1. Hair Growth Promoter
- Reduces hair loss
- Improves hair density and thickness
2. Follicle Strengthening Agent
- Reinforces the root structure
- Helps prevent premature hair shedding
3. Eyelash & Eyebrow Enhancer
- Promotes fuller, thicker lashes and brows
4. Anti-aging Ingredient (Scalp & Skin)
- Protects against follicle aging
- May support healthier scalp conditions
Common Applications
- Hair loss serums
- Anti-hair thinning shampoos
- Eyelash growth products
- Scalp treatments
Safety & Considerations
- Generally considered safe and well-tolerated in topical use
- Low irritation potential compared to many active compounds
- Not a drug—effects are cosmetic and supportive, not a medical cure for hair loss
Summary
Biotinoyl Tripeptide-1 is a modern cosmetic peptide combining the nutritional benefits of Biotin with the signaling power of peptides. Its main value lies in strengthening hair follicles, reducing hair loss, and improving hair appearance, making it a key ingredient in advanced hair and lash care formulations.
If you want, I can also break down its mechanism vs. Minoxidil, or explain how it’s formulated in Procapil® systems.