Post by : Saif Rahman

Many individuals think they are adequately shielding their skin from the sun’s harmful rays. They may rely on SPF in makeup, seek shade, or presume that overcast days completely block intense sunlight. However, a physician from London warns these common practices can give a misleading sense of security, exposing skin to harmful UV rays.

Family medicine expert Sermed Mezher elaborates on Instagram how sun damage can occur even with seemingly protective measures. His crucial takeaway: UV rays persist year-round, necessitating consistent and thorough protection, far beyond what most individuals realize.

One major misconception he highlights is substituting makeup with SPF for a proper sunscreen. Several foundations and tinted creams boast SPF ratings of 15, 30, or even 50. Dr. Mezher cautions that these numbers are based on applying an unrealistically thick layer of product—something most people do not do in practice. Consequently, the amount used only offers minimal protection. To achieve adequate defense, proper sunscreen should be layered beneath makeup.

He also disputes the belief that shade or clouds protect against sun damage. UV rays can still damage skin even when the sun is obscured. While clouds block some sunlight, as much as 80% of UV rays can penetrate these layers. Additionally, UV rays reflect off surfaces like water, snow, or concrete, potentially harming skin from various angles. Therefore, sun damage can occur while lounging under an umbrella or strolling on an overcast day; shade merely mitigates exposure but does not eliminate it.

Given these prevalent misunderstandings, Dr. Mezher strongly recommends daily sunscreen application, not just during sunny events or vacations. Dermatologists advise starting with a separate sunscreen before applying any makeup to ensure adequate protection.

This vital reminder is particularly relevant as more individuals face early signs of sun damage, including pigmentation, lines, rough skin, and heightened skin cancer risks. Young adults who spend excessive time outdoors or near reflective surfaces are particularly unsuspecting of the lasting effects of UV exposure.

His essential message reinforces that sun safety isn’t about quick fixes; it involves correctly applying the right amount of sunscreen and reapplying as necessary. Simple habits—such as donning a hat, avoiding intense midday sunlight, and staying informed about UV levels—can significantly protect skin health in the long term.

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