Stronger Hair & Nails: How Peptides Help You Grow from Within
Has your hair lost its shine or started thinning? Are your nails breaking more easily than they used to? These are common issues, and they often point back to the proteins that give hair and nails their structure: keratin and collagen.

How Peptides Support Hair and Nail Health
Peptides can stimulate the body to produce more keratin and collagen, making hair strands thicker and nails less prone to breaking. Some peptides also improve blood flow to the scalp, which can help “wake up” sluggish hair follicles and encourage new hair growth, while also strengthening the nails’ foundation.
What’s the Difference Between Topical and Systemic Peptides?
- Topical peptides (found in serums or scalp treatments) deliver support right where you need it.
- Systemic peptides (taken orally or via injection) support the body from within, helping hair and nails grow healthier and stronger over time.
What You Might Notice
With consistent use, you can see less hair shedding, improved nail thickness, and an overall healthier appearance. While results take time, peptides offer a science-backed way to address weak hair and nails at the source.
Peptides are an exciting addition to a holistic approach to beauty—one that looks at your whole body, not just the surface.
In our next post, we’ll share how peptides are being studied for their role in supporting healthy blood pressure.
To stronger strands and nails,
The Beauty Bar Wellness & Med Spa Team