Dr. Sunil Kumar Prabhu, Consultant dermatologist and Aesthetic Physician, Aster RV Hospital, Bangalore
Refined sugar is often associated with weight gain and metabolic disorders, but it can also have a noticeable impact on skin health. Regular consumption of sugary foods and beverages may contribute to premature skin aging and increase the risk of acne by promoting inflammation and affecting important skin structures.
One of the main ways refined sugars accelerate aging is through a process called glycation. When excess sugar circulates in the bloodstream, it binds to proteins such as collagen and elastin, which are responsible for keeping the skin firm and elastic. This process forms harmful compounds known as advanced glycation end products (AGEs), which can weaken these proteins and contribute to wrinkles, sagging, and loss of skin elasticity over time.
Refined sugar may also worsen acne by causing rapid spikes in blood sugar and insulin levels. Increased insulin can stimulate the production of hormones and growth factors that encourage excess oil production and skin cell growth, creating an environment where pores become clogged more easily. In addition, high-sugar diets may promote inflammation, which can make existing acne lesions more severe.
While eating sugar occasionally is unlikely to cause major skin problems, consistently consuming large amounts of sweets, sugary drinks, and processed foods may negatively affect skin appearance and overall health. Choosing a balanced diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats can support healthier skin from within.
Maintaining proper hydration, following a consistent skincare routine, getting adequate sleep, and protecting the skin from sun exposure are also important steps in preserving a youthful complexion and reducing the likelihood of acne flare-ups.
