Sunscreen basics: A simple guide to smarter sun protection
According to dermatologist Dr Aparna Santhanam, 'The application of sunscreen is a disciplined routine—it's not just about using it, but about using it correctly. "Consistent and complete coverage is the foundation of sun-safe skin."Sunscreen is not just a skincare essential—it's a powerful defence against sunburn, premature ageing, pigmentation, and long-term risks like skin cancer. But its effectiveness lies not only in the product itself but in how consistently and correctly it's applied.advertisementAccording to dermatologist Dr Aparna Santhanam, 'The application of sunscreen is a disciplined routine—it's not just about using it, but about using it correctly. "Consistent and complete coverage is the foundation of sun-safe skin."
CHOOSE THE RIGHT SUNSCREEN FOR DAILY PROTECTIONA broad-spectrum sunscreen with SPF 30 or more is recommended for everyday use. It should protect against both UVA and UVB rays. In humid climates, water-resistant formulations are especially helpful. Dr Santhanam recommends sunscreens featuring Full Light Technology, which offer broader protection by blocking infrared and visible light too.'Look for lightweight, fast-absorbing textures—especially during warmer months,' she says. 'This ensures that sunscreen doesn't feel heavy on your skin, encouraging daily use.'APPLY 15 TO 20 MINUTES BEFORE STEPPING OUTSunscreen needs time to activate. Whether you choose mineral, chemical, or hybrid sunscreens, it's critical to apply them at least 15 to 20 minutes before sun exposure. This window allows the formula to bond with your skin and start working effectively.'Sunscreen should be seen as your first line of defence against solar radiation, which emits UV, infrared, and visible rays—all of which can cause inflammation, accelerate ageing, or even trigger skin cancer,' says Dr Santhanam.REAPPLY EVERY TWO HOURS—ESPECIALLY AFTER SWEATING OR SWIMMINGadvertisementOne of the most common mistakes? Only apply sunscreen once in the morning. Dr Santhanam stresses the importance of reapplying every two hours, and immediately after sweating, swimming, or towel drying.'This is a non-negotiable step in your sun protection routine,' she says. Skipping reapplication can compromise your skin's barrier, even if you've used a high SPF product.DON'T MISS THE EARS, NECK, OR SCALPOften neglected areas such as the neck, ears, feet, and scalp are just as vulnerable to sun damage as the face. 'Choose a full-spectrum, matte-finish sunscreen that offers both comfort and reliable coverage,' advises Dr. Santhanam.These areas are prone to burns and hyperpigmentation and should never be skipped during application.KNOW HOW MUCH TO USE—AND DON'T SKIPHow much sunscreen is enough? According to Dr Santhanam, most people underapply. Use a nickel-sized amount for the face and about a shot glass (30 ml) for the body. Face-specific and body sunscreens generally provide the same level of protection—the difference lies in the quantity applied.'Even the best sunscreen won't work if you're not using enough,' she cautions.SUNSCREEN: A SMALL DAILY STEP, A LIFELONG INVESTMENTUsing sunscreen takes less than five minutes a day but can significantly lower your risk of sunburn, pigmentation, premature ageing, and even skin cancer. According to Dr Santhanam, it's not about waiting for visible damage—it's about protecting your skin every single day.Must Watch
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