A leading hair loss specialist has sounded the alarm on how common dietary choices—especially sugary and processed foods—may be secretly contributing to hair loss and poor hair growth.
Dr. Gizem Seymenglu, a London-based hair loss and aesthetics expert at Longevita Hair Transplant, identified sugar as one of the main dietary culprits behind hair problems. “Consuming high amounts of sugar can trigger chronic inflammation, damaging hair follicles,” she explained. “Moreover, it can lead to insulin resistance and type 2 diabetes, conditions linked to reduced scalp blood flow and hair loss.”
Trans fats, found in many processed and packaged foods, are another major concern. “Trans fats raise bad cholesterol and can clog scalp pores,” Dr. Seymenglu said. “This blockage prevents follicles from receiving essential nutrients, hindering healthy hair growth.” Foods like potato chips, chicken nuggets, sugary cereals, sodas, and energy drinks—often ultra-processed and nutrient-poor—are particularly harmful as they lack vital proteins, vitamins, and minerals necessary for hair strength and vitality.
“Hair is primarily made of keratin, a protein that needs to be supported by adequate dietary intake,” the specialist added. “Deficiencies in zinc, calcium, and other nutrients can weaken hair, making it more prone to shedding.”
Dr. Seymenglu also cautioned against excessive consumption of certain large sea fish such as tuna, swordfish, and king mackerel due to their high mercury content, which can cause excessive hair loss.
Alcohol intake was also flagged as detrimental to hair health. “Alcohol acts as a diuretic, leading to dehydration, which leaves hair dry and brittle,” she noted. “Additionally, excessive drinking can cause nutrient deficiencies—including vitamins, magnesium, zinc, and iron—that are crucial for healthy hair.”
Another surprising cause of hair shedding is overconsumption of vitamin A. “While vitamin A is essential, too much—whether from foods like liver or supplements—can accelerate the hair growth cycle and lead to hair loss,” Dr. Seymenglu explained.
For those looking to improve their hair health, experts stress that moderation is key. A balanced diet rich in protein, vitamins, and minerals is fundamental to maintaining strong, vibrant hair. Incorporating these hair care tips into your lifestyle can protect your locks from damage and promote growth.
Ultimately, sound hair health advice emphasizes nutrition’s vital role in hair care steps—ensuring that what you eat supports your hair’s natural strength and resilience.
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