Topical hair-loss treatments such as minoxidil have long been promoted as safe, convenient, and low-risk solutions for thinning hair. However, as their use becomes increasingly widespread—often without medical supervision—dermatologists are raising concerns that these products may carry health implications extending well beyond the scalp.
In an interview, Dr. Abhishek Pilani, founder of Assure Clinic and an MD Dermatology specialist with extensive experience in hair restoration and transplantation, cautioned that the casual, prolonged use of hair-growth medications can obscure risks that many users fail to associate with cosmetic treatments.
“Minoxidil was never originally designed as a cosmetic product,” Dr. Pilani explained. “It was first developed as an oral medication for high blood pressure. That alone indicates it has the potential for systemic effects, particularly when overused or applied without medical guidance.”
When a Scalp Treatment Affects the Heart
Minoxidil is widely available over the counter in India in concentrations ranging from 2% to as high as 10%. While topical formulations are generally considered safe when used appropriately, Dr. Pilani noted that excessive application, use on broken skin, or long-term unsupervised use can allow the drug to enter the bloodstream.
“In clinical practice, we do encounter patients who report palpitations, dizziness, fluid retention, or fluctuations in blood pressure,” he said. “These side effects are uncommon, but they are real, and the risk is higher in individuals with underlying cardiovascular conditions.”
According to Dr. Pilani, the greater concern is not sudden or dramatic complications, but subtle symptoms that can go unnoticed after years of self-medication. Many users apply minoxidil daily for a decade or more without ever reassessing its necessity or safety with a healthcare professional.
Eye Swelling and an Overlooked Side Effect
Another emerging issue involves eye-related symptoms that users often misattribute to fatigue or allergies. Peri-orbital swelling, redness, and irritation around the eyes are being reported with increasing frequency.
“In many cases, this happens due to accidental spread during application or low-level systemic absorption,” Dr. Pilani said. Higher-strength formulations and nighttime use can worsen the problem, as residue may transfer to pillows and migrate to sensitive areas such as the skin around the eyes.
“Topical drugs can travel more easily than people realize, and the skin near the eyes is especially vulnerable,” he added.
Infant Exposure Raises New Safety Questions
One of the most concerning trends involves accidental exposure among infants in households where adults use topical hair-loss medications.
“Infants are extremely sensitive,” Dr. Pilani warned. “Even minimal exposure through skin contact, bedding, or pillows can lead to excessive hair growth or other systemic effects.”
International case reports have documented abnormal hair growth in infants repeatedly exposed to minoxidil through caregivers, a risk many parents remain unaware of. Dr. Pilani emphasized that the issue is not alarmism, but informed use. “These products are not harmless cosmetics,” he said.
Should Hair-Loss Treatments Remain Over the Counter?
The growing body of observations has prompted renewed debate over whether hair-loss medications should continue to be sold without prescription. Dr. Pilani takes a measured stance.
“Accessibility matters, but unsupervised long-term use is a genuine problem,” he said. “We don’t necessarily need to eliminate over-the-counter availability, but stronger warnings, better education, and clear guidance to consult a specialist are essential—especially for prolonged use.”
He stressed that hair loss should be treated as a medical condition rather than a purely cosmetic concern, noting that any medication used daily for years warrants the same caution as treatments for chronic illnesses.
When Medication Misuse Undermines Hair Transplants
As a hair-transplant specialist, Dr. Pilani also sees how improper medication use can affect surgical outcomes. When used correctly, hair-growth drugs can support transplant success, but misuse may damage the scalp through chronic irritation or inflammation, impairing healing and graft survival.
Another frequent issue is abruptly stopping medication after surgery, which can trigger shock loss of surrounding native hair. “This can make an otherwise successful transplant appear uneven or ineffective,” he explained.
Dr. Pilani also cautioned against relying solely on medication while hair loss continues to progress. “Some patients postpone surgery for years because drugs temporarily mask thinning,” he said. “By the time they seek help, they may have lost valuable donor hair and developed unrealistic expectations.”
As the popularity of hair-loss treatments continues to rise, specialists say greater awareness and medical oversight may be critical to ensuring that the pursuit of hair restoration does not come at the expense of long-term health.
