
What Is Panthenol, and How Does It Build Hair Resilience? A Physician's Guide to MD Hair™ Pro-Vitamin B5
What is panthenol, and how does pro-vitamin B5 build hair resilience? Dr. Susan Lin, M.D. explains the science of hair shaft strength, elasticity, and cuticle integrity — and how MD Hair™ pairs panthenol with StimuCap® peptides, marine collagen, and inside-out support for a complete multi-pathway approach.

Do Peptides Help Hair Growth? A Physician's Guide to MD Hair™ Peptide Signaling
Do peptides actually help hair growth? Dr. Susan Lin, M.D. explains the peptide signaling science behind MD Hair™ — the StimuCap® peptide complex in the Revitalizing Treatment Shampoo and Conditioner, paired with the peptide-led MD Hair™ Follicle Energizer, all made in the USA in an FDA-registered facility.

