Biotinoyl Tripeptide-1 is a synthetic cosmetic peptide commonly used in hair and eyelash/eyebrow products. It’s designed to support stronger, healthier-looking hair and improve follicle function.
What it is
A peptide–vitamin conjugate made by combining:
- Biotin (Vitamin B7)
- A tripeptide (a short chain of 3 amino acids)
This combination helps deliver nutrients more effectively to hair follicles.
How it works
Biotinoyl Tripeptide-1 acts through multiple mechanisms:
1. Strengthens hair anchoring
Helps improve the connection between the hair follicle and scalp
Reduces hair shedding by reinforcing structural proteins
2. Supports extracellular matrix (ECM)
Stimulates production of key proteins like:
- Collagen IV
- Laminin
These are essential for maintaining healthy hair follicles
3. Enhances microcirculation
Promotes better nutrient and oxygen delivery to hair roots
4. Delivers biotin locally
Provides targeted biotin support (important for keratin production)
Benefits of Biotinoyl Tripeptide-1
- Reduces hair loss and shedding
- Improves hair density and thickness
- Strengthens weak or brittle hair
- Supports eyelash and eyebrow growth
- Enhances overall hair vitality
Common uses
You’ll typically find it in:
- Hair growth serums
- Anti-hair loss shampoos
- Eyelash/eyebrow enhancers
- Scalp treatments
Often combined with ingredients like:
- Panthenol (Vitamin B5)
- Caffeine
- Other peptides (e.g., copper peptides)
Safety & side effects
Generally safe and well-tolerated in cosmetic use
Rare side effects:
- Mild scalp irritation
- Allergic reaction (uncommon)
Bottom line
Biotinoyl Tripeptide-1 is a targeted, follicle-supporting peptide that helps strengthen hair at the root, reduce shedding, and improve overall hair appearance. It’s widely used in modern hair-care formulations, especially for thinning hair and lash/brow enhancement.
If you want, I can compare it with other popular hair peptides (like copper peptides or Procapil) or explain how effective it actually is in real studies.