Dr. Samuel Sarmiento
Dr. Samuel Sarmiento is a physician with a rich background in clinical medicine, public health, and research. He completed his surgical internship at the Mayo Clinic, where he gained invaluable experience in one of the world's most renowned healthcare institutions. Recognizing the need to broaden his expertise beyond clinical practice, he pursued dual master’s degrees in Public Health and Business Administration at Johns Hopkins University, followed by a postdoctoral fellowship in clinical outcomes research within the Department of Plastic Surgery.
Articles written by this author (12)
Peptides and Hair Growth: Scientific Mechanisms, Clinical Evidence, and Practical Applications in Modern Trichology
Key Takeaways Peptides Support Scalp and Follicle Health. These small amino acid chains act as signaling molecules that penetrate the scalp and influence follicle function. They help regulate the hair
The Hair–Gut Axis: Understanding How Gastrointestinal Health Shapes Hair Growth and Loss
Key Takeaways The Gut Directly Influences Hair Health. The “gut–hair axis” connects gastrointestinal health with the vitality and growth cycle of hair. Digestive function, microbiome balance, and inflammation regulation all
Does Masturbation Cause Hair Loss? The Truth Revealed
Many people worry if self-pleasure can lead to hair getting thin. The truth is, enjoying oneself alone does not make your hair fall out. In our article, we’ll clear up
Professional & Industry Insights
Microneedling and Dermarolling for Hair Growth
Microneedling may support hair growth, especially for androgenetic alopecia when combined with minoxidil. Learn the evidence, risks, needle depths, and safety tips.
GLP-1 and Hair Loss
GLP-1 medications may be linked to hair shedding through rapid weight loss, nutrient gaps, stress physiology, and telogen effluvium rather than direct follicle damage.
Botox and Hair Loss
Botox may support hair growth in selected cases by reducing scalp tension and improving circulation, but evidence is still early and it is not a standalone cure.
High Sugar Intake and Hair Loss
High sugar intake may worsen hair loss by disrupting insulin, hormones, inflammation, gut health, and nutrient delivery to the scalp.
PRP for Hair Loss
PRP for hair loss may improve hair density and thickness in selected cases. Learn how it works, what the evidence says, and who it may help.
Medications that Affect Hair Loss
Some medications can trigger hair shedding, thinning, or texture changes. Learn which drug classes are linked to hair loss and what to do safely.
Female Pattern Hair Loss: Causes, Symptoms & Treatment
Female Pattern Hair Loss (FPHL) is a common condition causing gradual hair thinning in women. Understanding its genetic, hormonal, and nutritional causes is key to effective management. Treatments often combine
Hair Loss Conditions